Compare mold & tool steel grades across DIN/EN, AISI, JIS and GB. Useful when your drawing calls one standard and we quote another.
| Common name | DIN / EN | AISI | JIS | GB (China) | Family |
|---|---|---|---|---|---|
| 1.2311 | 1.2311 | P20 | — | 3Cr2Mo | Plastic mould |
| 1.2738 | 1.2738 | P20+Ni | — | 3Cr2NiMo | Plastic mould |
| S50C | ~1.1213 (C50) | ~1050 | S50C | 50# | Plastic mould base / templates |
| SKD11 / 1.2379 | 1.2379 | D2 | SKD11 | Cr12Mo1V1 | Cold work |
| SKD61 | 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | Hot work |
| Cr12MoV | ~1.2379 | ~D2 | SKD11 | Cr12MoV | Cold work |
| DC53 | ~1.2379 (mod) | ~D2 (mod) | DC53 | Cr8Mo2SiV | Cold work |
| M2 | 1.3343 | M2 | SKH51 | W6Mo5Cr4V2 | High-speed |
| M35 | 1.3243 | M35 | SKH55 | W6Mo5Cr4V2Co5 | High-speed (5% Co) |
| M42 | 1.3247 | M42 | SKH59 | W2Mo9Cr4VCo8 | High-speed (8% Co) |
| SCM440C | ~1.7225 (42CrMo4) | ~4140 | SCM440 | 42CrMo | Alloy struct. / mould base |
| SCM439 | ~1.7220 (34CrMo4) | ~4135 / 4140 | SCM435 | 35CrMo | Alloy struct. / mould base |
| SUS309 | 1.4833 | 309 | SUS309 | ~0Cr23Ni13 | Heat-resist stainless plate |
| SUS310S | 1.4845 | 310S | SUS310S | ~0Cr25Ni20 | Heat-resist stainless plate |
| NM400 | — | ~AR400 | — | NM400 | Wear-resistant |
| NM450 | — | ~AR450 | — | NM450 | Wear-resistant |
| NM500 | — | ~AR500 | — | NM500 | Wear-resistant |
| Q690D | ~S690QD | ~A514 | — | Q690D | High-strength |
| Q690E | ~S690QL | ~A514 | — | Q690E | High-strength |
Note: equivalents are approximate; final selection should consider heat treatment, hardness and application. Send us your drawing grade and we confirm the best stock match.