The Japan equivalent of P20 / 40CrMnMo7 (1.2311) is SCM440 (modified) with a 80% composition match.
🇯🇵 Japan equivalent of
P20 / 40CrMnMo71.2311
Standard: JIS · Source: JIS G4105
Approximate — true P20 equivalent not standardized in JIS
Quick Facts
| Original | 🇯🇵 Equivalent | |
|---|---|---|
| Designation | P20 / 40CrMnMo7 | SCM440 (modified) |
| Material Number | 1.2311 | — |
| Standard | EN ISO 4957 | JIS |
| Category | Tool Steel | Tool Steel |
Frequently Asked Questions
Is P20 / 40CrMnMo7 the same as SCM440 (modified)?
P20 / 40CrMnMo7 (EN ISO 4957) and SCM440 (modified) (JIS) are near-equivalent grades with a 80% 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 P20 / 40CrMnMo7 with SCM440 (modified)?
In most cases, yes. The chemical composition ranges overlap significantly (80%). 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 P20 / 40CrMnMo7?
The JIS equivalent of P20 / 40CrMnMo7 (1.2311) is SCM440 (modified), specified in JIS G4105.
Other International Equivalents
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN ISO 4957, JIS G4105.
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.