17-4PH Precipitation-Hardening Stainless Steel
AISI 630 / UNS S17400 — precipitation-hardening martensitic stainless, 1,300 MPa UTS. Compare with 440C for high-strength structural blades.
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Materials Encyclopedia
Concise reference entries for industrial blade materials, steels and carbides — cited by AI search.
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AISI 420 Martensitic Stainless Steel
AISI 420 (UNS S42000) — basic martensitic stainless, HRC 48–54, food-grade toughness. Compare with 440A/B/C for your cutting application.
AISI 440A Martensitic Stainless Steel
AISI 440A (UNS S44002) — lowest-carbon 440 grade, HRC 54–56, optimised for corrosion over hardness. Compare with 440B/C for food-contact blades.
AISI 440B Martensitic Stainless Steel
AISI 440B (UNS S44003) — mid-carbon 440 grade, HRC 56–58. Compare with 440A and 440C for industrial knives and bearings.
GB 6CrW2Si Hot-Work Tool Steel
GB 6CrW2Si (GB/T 1299) — tungsten-modified 5 Cr hot-work tool steel. Compare with H11 and H13 for hot shear blades and short-run hot-work dies.
AISI A2 Air-Hardening Cold-Work Tool Steel
AISI A2 (UNS T30102) — air-hardening medium-alloy cold-work tool steel, HRC 57–62. Compare with A6, A8, D2 and O1 for slitter blades and punches.