British and International Stainless Steel Specification Standards
| GB | USA | GERMANY | ITALY | JAPAN | FRANCE | SPAIN |
|---|---|---|---|---|---|---|
| BS970 | AISI/SAE | W-Nr Din | UNI | JIS | AFNOR | UNE |
| 17/4PH | ASTM A564 Grade 630 | 50049 1.4548 | - | - | Z7CNU 17-04 | - |
| 303S31 | 303 | 1.4305 X10CrNiS18-9 | X10CrNiS1809 | SUS303 | Z8CNF 18-09 | F.5308 |
| 304S11 | 304L | 1.4307 1.4306 X10CrNiS18-9 | X3CrNi1811 X2CrNi1811 | SCS19 SUS304L | Z1CN18-12 Z2CN18-10 | F.3503 |
| 304S15 | 304 | 1.4301 X5CrNi1810 | X5CrNi1810 | SUS304 | Z4CN19-10F FZ5CN17-08 | F.3504 |
| 316S31 | 316 | X5CrNiMo17133 | X5CrNiMo1713 X8CrNiMo1713 | SUS316 | Z6CND18-12-03 | - |
| 316S11 | 316L | 1.4404 X2CrNiMo17132 | X2CrNiMo1713 X8CrNiMo1713 | SUS316L | Z2CND1712 Z2CND18-13 | F.3533 F.3537 |
| 321S31 | 321 | 1.4541 X6CrNiTi18-10 | X6CrNiTi1811 | SUS321 | Z6CNT18-10 | F.3523 |
| 310 | 310 310S | 1.4845 X12CrNi25-21 | X6CrNi2521 | SUH310 SUS310S | Z8CN25-20 Z12CN25-20 | - |
| 416S21 | 416 | 1.4005 X12CrS13 | X12CrS13 | SUS416 | Z11CF13 | F.3411 |
| 420S29 | - | 1.4024 X15Cr13 | - | SUS410J1 | Z13C13 | F.3415 |
| 420S37 | 420 | 1.4021 X20Cr13 | X20Cr13 | SUS420J1 | Z20C13 | F.3402 |
| 420S45 | 420F | 1.4028 1.4034 X30Cr13 | (G) X30Cr13 | SUS420J2 | Z30C13 Z33C13 | F.3403 |
| 410S21 | 410 | 1.4006 1.4000 X12Cr13 | X12Cr13 X109Cr13 | SUS410 | Z10C13 | F.3401 |
| 431S29 | 431 | 1.4057 X20CrNi172 | X16CrNi16 | SUS431 | Z15CN16-02 | F.3427 |