Steel Grade Equivalents & Cross-Reference — Stancor Fittings

Cross-reference table of steel grade equivalents stocked by Stancor Fittings — match common names to UNS numbers and the equivalent ASTM/ASME, EN/DIN and JIS standards for stainless steel, duplex, carbon steel and nickel alloys.

Grade equivalents

• A234 WPB Carbon Steel — UNS ASTM A234 WPB — standards: ASME B16.9, ASME B16.28, MSS SP-75, ASME B31.3, EN 10204 3.1
• A420 WPL6 Low Temperature Carbon Steel — UNS ASTM A420 WPL6 — standards: ASME B16.9, ASME B16.28, MSS SP-75, ASME B31.3, EN 10204 3.1
• A403 WP304 / WP304L Stainless — UNS ASTM A403 WP304 / WP304L — standards: ASME B16.9, MSS SP-43, ASTM A403, ASME B31.3, EN 10204 3.1
• A403 WP316 / WP316L Stainless — UNS ASTM A403 WP316 / WP316L — standards: ASME B16.9, MSS SP-43, ASTM A403, ASME B31.3, EN 10204 3.1
• A234 WP11 / WP22 Chrome-Moly — UNS ASTM A234 WP11 / WP22 — standards: ASME B16.9, ASME B16.28, MSS SP-75, ASME B31.3, EN 10204 3.1
• A105 Carbon Steel Flanges — UNS ASTM A105 / ASME SA-105 — standards: ASME B16.5, ASME B16.47, EN 1092-1, ASTM A105, EN 10204 3.1
• A182 F304 / F316 Stainless Flanges — UNS ASTM A182 F304 / F316 / F304L / F316L — standards: ASME B16.5, ASME B16.47, EN 1092-1, ASTM A105, EN 10204 3.1
• F51 / F53 Duplex & Super Duplex — UNS ASTM A182 F51 / F53 / A815 WP S31803 — standards: ASTM A815, ASTM A182, NORSOK M-650, ASTM A923, EN 10204 3.1
• B366 Nickel Alloy Fittings — UNS ASTM B366 / B564 — Inconel, Incoloy, Monel, Hastelloy — standards: ASTM B366, ASTM B564, ASME B16.9, NACE MR0175, EN 10204 3.1
• A105 Forged Socket Weld & Threaded Fittings — UNS ASTM A105 / A182 to ASME B16.11 — standards: ASME B16.11, MSS SP-79, MSS SP-97, ASTM A105, EN 10204 3.1

Need a grade not listed, or an exact international equivalent? Contact us or browse the full grade library.