The Japan equivalent of D2 / X155CrVMo12-1 (1.2379) is SKD11 with a 95% composition match.
🇯🇵 Japan equivalent of
D2 / X155CrVMo12-11.2379
Standard: JIS · Source: JIS G4404
Japanese cold-work die steel
Quick Facts
| Original | 🇯🇵 Equivalent | |
|---|---|---|
| Designation | D2 / X155CrVMo12-1 | SKD11 |
| Material Number | 1.2379 | — |
| Standard | EN ISO 4957 | JIS |
| Category | Tool Steel | Tool Steel |
Frequently Asked Questions
Is D2 / X155CrVMo12-1 the same as SKD11?
D2 / X155CrVMo12-1 (EN ISO 4957) and SKD11 (JIS) are near-equivalent grades with a 95% composition overlap. Both are tool steel grades. Minor differences may exist in alloying element ranges. For most applications, they are interchangeable. Always verify against the applicable specification for safety-critical components.
Can I substitute D2 / X155CrVMo12-1 with SKD11?
In most cases, yes. The chemical composition ranges overlap significantly (95%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN ISO 4957 and JIS standards.
What is the JIS equivalent of D2 / X155CrVMo12-1?
The JIS equivalent of D2 / X155CrVMo12-1 (1.2379) is SKD11, specified in JIS G4404.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | X155CrVMo12-1 | 100% |
| 🇨🇳 | China | GB | Cr12Mo1V1 | 93% |
| 🇷🇺 | Russia | GOST | Kh12MF | 90% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN ISO 4957, JIS G4404.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.