Easy to turn stainless steel
| UNS | DIN | JIS | GB | C | Mn | P | S | Si | Cr | N | Mo | Se | ||||
| UNS | AISI | Original grade | New grades | ≤ | ||||||||||||
| Austenite | ||||||||||||||||
| S20300 | XM-1 | 0.08 | 5.00-6.50 | 0.04 | 0.18-0.35 | 1.00 | 16.00-18.00 | 5.00-6.50 | Cu 1.75-2.25 | |||||||
| S30300 | 303 | 0.15 | 2.00 | 0.20 | 0.15 min | 1.00 | 17.00-19.00 | 8.00-10.00 | ||||||||
| S30401 | 30401 | 0.080 | 2.00 | 0.045 | 0.025~0.03 | 1.00 | 18.0–20.0 | 8.0–11.0 | . . . | . . . | . . . | |||||
| 304F | 0.080 | 2.00 | 0.045 | 0.03 min | 1.00 | 18.0–20.0 | 8.0–11.0 | . . . | . . . | . . . | ||||||
| S31601 | 316L01 | 0.030 | 2.00 | 0.045 | 0.025~0.03 | 1.00 | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | . . . | ||||||
| 316F | 0.030 | 2.00 | 0.045 | 0.03 min | 1.00 | 16.0–18.0 | 10.0–14.0 | 2.00–3.00 | . . . | |||||||
| S30310 | XM-5 | 0.15 | 2.50-4.50 | 0.20 | 0.25 min | 1.00 | 17.00-19.00 | 7.00-10.00 | ||||||||
| S30323 | 303Se | 0.15 | 2.00 | 0.20 | 0.06 | 1.00 | 17.00-19.00 | 8.00-10.00 | 0.15 min | |||||||
| S30345 | XM-2 | 0.15 | 2.00 | 0.05 | 0.11-0.16 | 1.00 | 17.00-19.00 | 8.00-10.00 | 0.40-0.60 | Al 0.60-1.00 | ||||||
| Martensite | ||||||||||||||||
| S41600 | 416 | 0.15 | 1.25 | 0.06 | 0.15 min | 1.00 | 12.00-14.00 | |||||||||
| S41610 | XM-6 | 0.15 | 1.50-2.50 | 0.06 | 0.15 min | 1.00 | 12.00-14.00 | |||||||||
| S41623 | 416Se | 0.15 | 1.25 | 0.06 | 0.06 | 1.00 | 12.00-14.00 | 0.15 min | ||||||||
| S42020 | 420F | 0.30-0.40 | 1.25 | 0.06 | 0.15 min | 1.00 | 12.00-14.00 | 0.50c | Cu 0.60 max | |||||||
| S42023 | 420FSe | 0.20-0.40 | 1.25 | 0.06 | 0.06 | 1.00 | 12.00-14.00 | 0.50C | 0.15 min | Cu 0.60 may | ||||||
| S44020 | 440F | 0.95-1.20 | 1.25 | 0.06 | 0.15 min | 1.00 | 16.00-18.0 | 0.50℃ | Cu 0.60 max | |||||||
| S44023 | 440FSe | 0.95-1.20 | 1.25 | 0.06 | 0.06 | 1.00 | 16.00-18.00 | 0.50C | 0.15 min | Cu 0.60 max | ||||||
| Ferrite | ||||||||||||||||
| S41603 | 0.08 | 1.25 | 0.06 | 0.15 min | 1.00 | 12.00-14.00 | ||||||||||
| S43020 | 430F | 0.12 | 1.25 | 0.06 | 0.15 min | 1.00 | 16.00-18.00 | |||||||||
| S43023 | 430FSe | 0.12 | 1.25 | 0.06 | 0.06 | 1.00 | 16.00-18.00 | 0.15 min | ||||||||