Heat-resistant stainless steel
| UNS | DIN | JIS | GB | ||||||||||||||
| UNS | AISI | Original grade | New grades | C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu | 其他 | |||
| UNS S30815 | 253MA | 1.4835 | X9CrNiSiNCe21-11-2 | 0.05–0.10 | 0.80 | 0.040 | 0.030 | 1.40–2.00 | 20.0–22.0 | 10.0–12.0 | . . . | 0.14–0.20 | . . . | Ce 0.03–0.08 | |||
| 353MA | 1.4854 | X9CrNiSiNCe35-25 | |||||||||||||||
| UNS S30900 | 309 | 1.4828 | X6CrNi23-14 | SUH309 | 2Cr23Ni13 | 16Cr23Ni13 | 0.20 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0–24.0 | 12.0–15.0 | . . . | . . . | . . . | . . . |
| UNS S30908 | 309S | 1.4833 | X7CrNi23-14 | SUS309S | 0Cr23Ni13 | 06Cr23Ni13 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0–24.0 | 12.0–15.0 | . . . | . . . | . . . | . . . |
| UNS S30909 | 309H | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0–24.0 | 12.0–15.0 | . . . | . . . | . . . | . . . | |||||
| UNS S30940 | 309Cb | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0–24.0 | 12.0–16.0 | Cb 10xC-1.10 | ||||||||
| UNS S30941 | 309HCb | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0–24.0 | 12.0–16.0 | . . . | . . . | . . . | Cb 10xC-1.10 | |||||
| UNS S31000 | 310 | 1.4821 | X15CrNi25-21 | SUH310 | 2Cr25Ni20 | 20Cr25Ni20 | 0.25 | 2.00 | 0.045 | 0.030 | 1.50 | 24.0–26.0 | 19.0–22.0 | . . . | . . . | . . . | … |
| UNS S31002 | 0.015 | 2.00 | 0.020 | 0.015 | 0.15 | 24.0–26.0 | 19.0–22.0 | 0.10 | 0.10 | . . . | . . . | ||||||
| UNS S31008 | 310S | 1.4845 | X1CrNi25-21 | SUS310S | 0Cr25Ni20 | 06Cr25Ni20 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0–26.0 | 19.0–22.0 | . . . | . . . | . . . | . . . |
| UNS S31009 | 310H | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0–26.0 | 19.0–22.0 | . . . | . . . | . . . | . . . | |||||
| UNS S31040 | 310Cb | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0–26.0 | 19.0–22.0 | . . . | . . . | . . . | Cb 10xC-1.10 | |||||
| UNS S31041 | 310HCb | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0–26.0 | 19.0–22.0 | . . . | . . . | . . . | Cb 10xC-1.10 | |||||
| UNS S31042 | 310HCbN | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0–26.0 | 19.0–22.0 | . . . | 0.15–0.35 | . . . | Cb 0.20–0.60 | |||||
| UNS S31050 | 310MoLN | 0.030 | 2.00 | 0.030 | 0.015 | 0.40 | 24.0–26.0 | 21.0–23.0 | 2.00–3.00 | 0.10–0.16 | . . . | ||||||
| UNS S31400 | 314 | 1.4841 | X6CrNiSi25-20-2 | 1Cr25Ni20Si2 | 0.25 | 2.00 | 0.045 | 0.030 | 1.50–3.00 | 23.0–26.0 | 19.0–22.0 | . . . | . . . | . . . | . . . | ||
| UNS S32100 | 321 | 1.4541 | X6CrNiTi18-10 | SUS321 | 0Cr18Ni10Ti | 06Cr18Ni11Ti | 0.08 | 2.00 | 0.045 | 0.030 | 1 | 17.0–19.0 | 9.0–12.0 | . . . | 0.1 | . . . | Ti 5x(C+N)-0.70 |
| UNS S32109 | 321H | 1.4541 | X7CrNiTi18-10 | SUS321H | 1Cr18Ni11Ti | 07Cr19Ni11Ti | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1 | 17.0–19.0 | 9.0–12.0 | . . . | 0.1 | . . . | Ti 5x(C+N)-0.70 |
| UNS S34700 | 347 | 1.4550 | X6CrNiNb18-10 | SUS347 | 0Cr18Ni11Nb | 06Cr18Ni11Nb | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0–19.0 | 9.0–12.0 | . . . | . . . | . . . | Cb 10xC-1.10 |
| UNS S34709 | 347H | 1.4912 | X7CrNiNb18-10 | SUS347H | 1Cr19Ni11Nb | 07Cr18Ni11Nb | 0.04–0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0–19.0 | 9.0–12.0 | . . . | . . . | . . . | Cb 8xC-1.10 |
| UNS S34751 | . . . | 0.015 | 2.00 | 0.020 | 0.030 | 0.75 | 17.0–20.0 | 9.0–13.0 | . . . | 0.06–0.10 | . . . | Cb 0.20-0.50 | |||||