{
 "name": "UK Material Price Tracker",
 "publisher": "Dalloway Precision Engineering Ltd",
 "url": "https://dalloways.com/material-prices",
 "license": "CC BY 4.0",
 "updated": "2026-09-26",
 "basis": "Retail list price, per metre, ex VAT, excluding delivery, as shown on the stockist website on the date given.",
 "rows": [
  {
   "date": "2021-10-21",
   "grade": "Bright mild steel (080A15)",
   "grade_slug": "080a15",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 17.95,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211021182446/https://www.rapidmetals.co.uk/product/bdms-080a15-25mm-dia/"
  },
  {
   "date": "2022-05-19",
   "grade": "Bright mild steel (080A15)",
   "grade_slug": "080a15",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 19,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220519185858/https://www.rapidmetals.co.uk/product/bdms-080a15-25mm-dia/"
  },
  {
   "date": "2024-04-22",
   "grade": "Bright mild steel (080A15)",
   "grade_slug": "080a15",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 16.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240422135131/https://www.rapidmetals.co.uk/product/bdms-080a15-25mm-dia/"
  },
  {
   "date": "2026-06-13",
   "grade": "Bright mild steel (080A15)",
   "grade_slug": "080a15",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 16.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260613093935/https://www.rapidmetals.co.uk/product/bdms-080a15-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "Bright mild steel (080A15)",
   "grade_slug": "080a15",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 16.1,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/bdms-080a15-25mm-dia/"
  },
  {
   "date": "2024-05-18",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 28.81,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240518162437/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-303-stainless-steel-round-bar"
  },
  {
   "date": "2024-10-16",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 38.7,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20241016010033/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-303-stainless-steel-round-bar"
  },
  {
   "date": "2025-02-15",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 38.7,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250215034357/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-303-stainless-steel-round-bar"
  },
  {
   "date": "2025-04-22",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 38.7,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250422224005/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-303-stainless-steel-round-bar"
  },
  {
   "date": "2025-09-14",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 38.7,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250914144702/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-303-stainless-steel-round-bar"
  },
  {
   "date": "2026-09-26",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 38.7,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-303-stainless-steel-round-bar"
  },
  {
   "date": "2022-06-30",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220630105737/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2023-12-08",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231208195437/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2024-05-23",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240523002518/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2024-09-14",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240914113230/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2024-12-02",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20241202204320/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2025-03-21",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250321012419/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2025-07-20",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250720003204/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2025-11-08",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20251108193208/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2026-02-11",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260211065005/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2026-06-08",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260608205811/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2026-09-26",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-303-stainless-steel/"
  },
  {
   "date": "2021-10-21",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 33,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211021191158/https://www.rapidmetals.co.uk/product/stainless-303-25mm-dia/"
  },
  {
   "date": "2022-05-22",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 48.5,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220522212213/https://www.rapidmetals.co.uk/product/stainless-303-25mm-dia/"
  },
  {
   "date": "2024-07-23",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 55.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240723123559/https://www.rapidmetals.co.uk/product/stainless-303-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "303",
   "grade_slug": "303",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 55.1,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/stainless-303-25mm-dia/"
  },
  {
   "date": "2022-06-30",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220630102241/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2023-12-11",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231211185034/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2024-04-14",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240414043229/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2024-07-21",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240721034440/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2024-10-11",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20241011081704/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2025-01-18",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250118101138/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2025-05-18",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250518194115/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2025-10-10",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20251010184239/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2026-02-11",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260211060351/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2026-09-26",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 36.96,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-304-stainless-steel/"
  },
  {
   "date": "2021-10-21",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 33,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211021234638/https://www.rapidmetals.co.uk/product/stainless-304-25mm-dia/"
  },
  {
   "date": "2022-05-19",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 60.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220519180640/https://www.rapidmetals.co.uk/product/stainless-304-25mm-dia/"
  },
  {
   "date": "2024-04-24",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 50.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240424152518/https://www.rapidmetals.co.uk/product/stainless-304-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "304",
   "grade_slug": "304",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 50.2,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/stainless-304-25mm-dia/"
  },
  {
   "date": "2023-12-10",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 37.24,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231210235602/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-316l-stainless-steel-round-bar"
  },
  {
   "date": "2024-05-25",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 37.24,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240525083357/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-316l-stainless-steel-round-bar"
  },
  {
   "date": "2024-12-03",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 37.24,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20241203150514/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-316l-stainless-steel-round-bar"
  },
  {
   "date": "2025-04-21",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 37.24,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250421021914/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-316l-stainless-steel-round-bar"
  },
  {
   "date": "2025-10-11",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 37.24,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20251011103414/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-316l-stainless-steel-round-bar"
  },
  {
   "date": "2026-09-26",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 37.24,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-316l-stainless-steel-round-bar"
  },
  {
   "date": "2021-03-06",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 38.5,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20210306014946/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2022-06-28",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220628030250/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2023-12-02",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231202020741/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2024-04-13",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240413154858/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2024-08-09",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240809182510/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2024-11-03",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20241103000950/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2025-02-10",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250210001445/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2025-06-23",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250623122819/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2025-10-10",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20251010185049/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2026-01-19",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260119173223/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2026-06-08",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260608203043/https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2026-09-26",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "AMB Steels (Sheffield)",
   "gbp_per_m_ex_vat": 46.2,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://steelstockholders-sheffield.co.uk/product/25-mm-diameter-316-stainless-steel/"
  },
  {
   "date": "2021-10-17",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 43.89,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211017030815/https://www.rapidmetals.co.uk/product/stainless-316-round-25mm/"
  },
  {
   "date": "2022-01-26",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 71.05,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220126111342/https://www.rapidmetals.co.uk/product/stainless-316-round-25mm/"
  },
  {
   "date": "2022-07-06",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 71.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220706155852/https://www.rapidmetals.co.uk/product/stainless-316-round-25mm/"
  },
  {
   "date": "2024-05-30",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 72,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240530155207/https://www.rapidmetals.co.uk/product/stainless-316-round-25mm/"
  },
  {
   "date": "2026-06-08",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 72,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260608020545/https://www.rapidmetals.co.uk/product/stainless-316-round-25mm/"
  },
  {
   "date": "2026-09-26",
   "grade": "316 / 316L",
   "grade_slug": "316",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 72,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/stainless-316-round-25mm/"
  },
  {
   "date": "2022-08-19",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 14.37,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220819115406/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2023-12-02",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231202222206/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2024-04-18",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240418150508/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2024-08-14",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240814111551/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2025-01-23",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250123212010/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2025-04-20",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250420194908/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2025-09-14",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250914122520/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2025-12-12",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20251212010816/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2026-03-16",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260316000801/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2026-06-10",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13.91,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260610125922/https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2026-09-26",
   "grade": "6082-T6",
   "grade_slug": "6082-t6",
   "stockist": "1st Choice Metals",
   "gbp_per_m_ex_vat": 13.91,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.1stchoicemetals.co.uk/product/25mm-aluminium-round-bar/"
  },
  {
   "date": "2022-08-13",
   "grade": "Acetal (white)",
   "grade_slug": "acetal",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 22.6,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220813191034/https://www.rapidmetals.co.uk/product/acetal-white-25mm-dia-2/"
  },
  {
   "date": "2023-12-07",
   "grade": "Acetal (white)",
   "grade_slug": "acetal",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 18.9,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231207104456/https://www.rapidmetals.co.uk/product/acetal-white-25mm-dia-2/"
  },
  {
   "date": "2024-05-26",
   "grade": "Acetal (white)",
   "grade_slug": "acetal",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 18.9,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240526000934/https://www.rapidmetals.co.uk/product/acetal-white-25mm-dia-2/"
  },
  {
   "date": "2026-06-13",
   "grade": "Acetal (white)",
   "grade_slug": "acetal",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 18.9,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260613032259/https://www.rapidmetals.co.uk/product/acetal-white-25mm-dia-2/"
  },
  {
   "date": "2026-09-26",
   "grade": "Acetal (white)",
   "grade_slug": "acetal",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 18.9,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/acetal-white-25mm-dia-2/"
  },
  {
   "date": "2023-12-09",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 107.56,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231209114312/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2024-04-19",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 107.56,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240419090023/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2024-10-11",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 142,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20241011021445/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2025-01-13",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 142,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250113202240/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2025-04-22",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 142,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250422224427/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2025-09-12",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 142,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20250912130928/https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2026-09-26",
   "grade": "Copper C101",
   "grade_slug": "c101",
   "stockist": "Aluminium Warehouse",
   "gbp_per_m_ex_vat": 172.73,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.aluminiumwarehouse.co.uk/products/25-mm-diameter-copper-round-bar"
  },
  {
   "date": "2021-10-21",
   "grade": "EN16T (605M36T)",
   "grade_slug": "en16t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 21,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211021181457/https://www.rapidmetals.co.uk/product/en16t-605m36t-bright-25mm-dia/"
  },
  {
   "date": "2022-05-19",
   "grade": "EN16T (605M36T)",
   "grade_slug": "en16t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 50,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220519185004/https://www.rapidmetals.co.uk/product/en16t-605m36t-bright-25mm-dia/"
  },
  {
   "date": "2023-12-01",
   "grade": "EN16T (605M36T)",
   "grade_slug": "en16t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 29.45,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20231201200203/https://www.rapidmetals.co.uk/product/en16t-605m36t-bright-25mm-dia/"
  },
  {
   "date": "2024-04-24",
   "grade": "EN16T (605M36T)",
   "grade_slug": "en16t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 29.45,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240424160315/https://www.rapidmetals.co.uk/product/en16t-605m36t-bright-25mm-dia/"
  },
  {
   "date": "2026-06-09",
   "grade": "EN16T (605M36T)",
   "grade_slug": "en16t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 29.45,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260609090502/https://www.rapidmetals.co.uk/product/en16t-605m36t-bright-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "EN16T (605M36T)",
   "grade_slug": "en16t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 29.45,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/en16t-605m36t-bright-25mm-dia/"
  },
  {
   "date": "2021-09-22",
   "grade": "EN1A (230M07)",
   "grade_slug": "en1a",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 12.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20210922175027/https://www.rapidmetals.co.uk/product/en1a-230m07-bright-25mm-dia/"
  },
  {
   "date": "2022-05-22",
   "grade": "EN1A (230M07)",
   "grade_slug": "en1a",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 23,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220522080012/https://www.rapidmetals.co.uk/product/en1a-230m07-bright-25mm-dia/"
  },
  {
   "date": "2024-05-22",
   "grade": "EN1A (230M07)",
   "grade_slug": "en1a",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 19.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240522060504/https://www.rapidmetals.co.uk/product/en1a-230m07-bright-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "EN1A (230M07)",
   "grade_slug": "en1a",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 19.2,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/en1a-230m07-bright-25mm-dia/"
  },
  {
   "date": "2021-10-23",
   "grade": "EN24T (817M40T)",
   "grade_slug": "en24t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 32.6,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211023103323/https://www.rapidmetals.co.uk/product/en24t-817m40t-bright-25mm-dia/"
  },
  {
   "date": "2022-05-22",
   "grade": "EN24T (817M40T)",
   "grade_slug": "en24t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 43.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220522193912/https://www.rapidmetals.co.uk/product/en24t-817m40t-bright-25mm-dia/"
  },
  {
   "date": "2024-02-22",
   "grade": "EN24T (817M40T)",
   "grade_slug": "en24t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 55.15,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240222135425/https://www.rapidmetals.co.uk/product/en24t-817m40t-bright-25mm-dia/"
  },
  {
   "date": "2024-06-22",
   "grade": "EN24T (817M40T)",
   "grade_slug": "en24t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 55,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240622054508/https://www.rapidmetals.co.uk/product/en24t-817m40t-bright-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "EN24T (817M40T)",
   "grade_slug": "en24t",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 55,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/en24t-817m40t-bright-25mm-dia/"
  },
  {
   "date": "2021-09-18",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 24.2,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20210918195324/https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2022-05-23",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 53.9,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220523082225/https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2024-02-29",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 65,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240229015801/https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2024-07-23",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 65,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240723112600/https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2026-03-11",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 65,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260311165909/https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2026-06-09",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 65,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260609085413/https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "EN36B (655M13)",
   "grade_slug": "en36b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 65,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/en36b-655m13-25mm-dia/"
  },
  {
   "date": "2021-09-22",
   "grade": "EN40B (722M24T)",
   "grade_slug": "en40b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 27.15,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20210922074218/https://www.rapidmetals.co.uk/product/en40b-722m24t-round-25mm/"
  },
  {
   "date": "2022-05-22",
   "grade": "EN40B (722M24T)",
   "grade_slug": "en40b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 27.15,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220522071015/https://www.rapidmetals.co.uk/product/en40b-722m24t-round-25mm/"
  },
  {
   "date": "2024-05-30",
   "grade": "EN40B (722M24T)",
   "grade_slug": "en40b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 34.5,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240530152835/https://www.rapidmetals.co.uk/product/en40b-722m24t-round-25mm/"
  },
  {
   "date": "2026-09-26",
   "grade": "EN40B (722M24T)",
   "grade_slug": "en40b",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 34.5,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/en40b-722m24t-round-25mm/"
  },
  {
   "date": "2021-10-21",
   "grade": "EN8 (080M40)",
   "grade_slug": "en8",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 16.75,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211021181930/https://www.rapidmetals.co.uk/product/en8-080m40-bright-25mm-dia/"
  },
  {
   "date": "2022-05-19",
   "grade": "EN8 (080M40)",
   "grade_slug": "en8",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 20,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220519185412/https://www.rapidmetals.co.uk/product/en8-080m40-bright-25mm-dia/"
  },
  {
   "date": "2024-06-18",
   "grade": "EN8 (080M40)",
   "grade_slug": "en8",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 23.4,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240618122600/https://www.rapidmetals.co.uk/product/en8-080m40-bright-25mm-dia/"
  },
  {
   "date": "2026-06-13",
   "grade": "EN8 (080M40)",
   "grade_slug": "en8",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 23.4,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260613031708/https://www.rapidmetals.co.uk/product/en8-080m40-bright-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "EN8 (080M40)",
   "grade_slug": "en8",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 23.4,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/en8-080m40-bright-25mm-dia/"
  },
  {
   "date": "2021-10-21",
   "grade": "Nylon 6 (natural)",
   "grade_slug": "nylon-6",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 11.25,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20211021234545/https://www.rapidmetals.co.uk/product/nylon-6-natural-25mm-dia/"
  },
  {
   "date": "2022-08-13",
   "grade": "Nylon 6 (natural)",
   "grade_slug": "nylon-6",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 14.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220813175928/https://www.rapidmetals.co.uk/product/nylon-6-natural-25mm-dia/"
  },
  {
   "date": "2024-05-22",
   "grade": "Nylon 6 (natural)",
   "grade_slug": "nylon-6",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 15.4,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240522050618/https://www.rapidmetals.co.uk/product/nylon-6-natural-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "Nylon 6 (natural)",
   "grade_slug": "nylon-6",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 15.4,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/nylon-6-natural-25mm-dia/"
  },
  {
   "date": "2022-05-23",
   "grade": "Nylon 66 (natural)",
   "grade_slug": "nylon-66",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 25.3,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20220523083855/https://www.rapidmetals.co.uk/product/nylon-66-natural-25mm-dia/"
  },
  {
   "date": "2024-04-12",
   "grade": "Nylon 66 (natural)",
   "grade_slug": "nylon-66",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 21.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240412184044/https://www.rapidmetals.co.uk/product/nylon-66-natural-25mm-dia/"
  },
  {
   "date": "2024-07-23",
   "grade": "Nylon 66 (natural)",
   "grade_slug": "nylon-66",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 21.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20240723114324/https://www.rapidmetals.co.uk/product/nylon-66-natural-25mm-dia/"
  },
  {
   "date": "2026-06-13",
   "grade": "Nylon 66 (natural)",
   "grade_slug": "nylon-66",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 21.1,
   "size": "Ø25 mm round bar",
   "source": "archive",
   "evidence": "https://web.archive.org/web/20260613093332/https://www.rapidmetals.co.uk/product/nylon-66-natural-25mm-dia/"
  },
  {
   "date": "2026-09-26",
   "grade": "Nylon 66 (natural)",
   "grade_slug": "nylon-66",
   "stockist": "Rapid Metals",
   "gbp_per_m_ex_vat": 21.1,
   "size": "Ø25 mm round bar",
   "source": "live",
   "evidence": "https://www.rapidmetals.co.uk/product/nylon-66-natural-25mm-dia/"
  }
 ]
}