Steel Grade Equivalents & Cross-Reference — Stancor Stainless

Cross-reference table of steel grade equivalents stocked by Stancor Stainless — 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

• 304 — UNS S30400 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 304L — UNS S30403 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 304H — UNS S30409 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 316 — UNS S31600 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 316L — UNS S31603 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 316Ti — UNS S31635 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 317L — UNS S31703 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 321 — UNS S32100 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 347 — UNS S34700 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 309S — UNS S30908 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 310S — UNS S31008 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 904L — UNS N08904 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• 254 SMO — UNS S31254 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• Alloy 20 — UNS N08020 — standards: ASTM A240 / ASME SA240 (plate, sheet, strip), ASTM A480 (general requirements), EN 10088-2 (corrosion resisting sheet & plate), EN 10028-7 (pressure purposes), JIS G4304 / G4305, EN 10204 3.1 certification
• Duplex 2205 — UNS S32205 / S31803 — standards: ASTM A240 / ASME SA240, ASTM A923 (intermetallic phase test), EN 10088-2, EN 10028-7, NACE MR0175 / ISO 15156 (on request), EN 10204 3.1 certification
• Duplex 2304 — UNS S32304 — standards: ASTM A240 / ASME SA240, ASTM A923 (intermetallic phase test), EN 10088-2, EN 10028-7, NACE MR0175 / ISO 15156 (on request), EN 10204 3.1 certification
• Super Duplex 2507 — UNS S32750 — standards: ASTM A240 / ASME SA240, ASTM A923 (intermetallic phase test), EN 10088-2, EN 10028-7, NACE MR0175 / ISO 15156 (on request), EN 10204 3.1 certification
• Super Duplex S32760 — UNS S32760 — standards: ASTM A240 / ASME SA240, ASTM A923 (intermetallic phase test), EN 10088-2, EN 10028-7, NACE MR0175 / ISO 15156 (on request), EN 10204 3.1 certification
• 409 — UNS S40900 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 430 — UNS S43000 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 439 — UNS S43035 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 441 — UNS S44100 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 444 — UNS S44400 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 410 — UNS S41000 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 410S — UNS S41008 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 420 — UNS S42000 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 431 — UNS S43100 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification
• 17-4 PH — UNS S17400 — standards: ASTM A240 / ASME SA240, ASTM A480, EN 10088-2, JIS G4304 / G4305, EN 10204 3.1 certification

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