The Japan equivalent of 420A / X20Cr13 (1.4021) is SUS420J1 with a 93% composition match.
🇯🇵 Japan equivalent of
420A / X20Cr131.4021
Standard: JIS · Source: JIS G4303
Japanese low-C 420 variant
Quick Facts
| Original | 🇯🇵 Equivalent | |
|---|---|---|
| Designation | 420A / X20Cr13 | SUS420J1 |
| Material Number | 1.4021 | — |
| Standard | EN 10088-3 | JIS |
| Category | Stainless Steel | Stainless Steel |
Frequently Asked Questions
Is 420A / X20Cr13 the same as SUS420J1?
420A / X20Cr13 (EN 10088-3) and SUS420J1 (JIS) are near-equivalent grades with a 93% composition overlap. Both are stainless 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 420A / X20Cr13 with SUS420J1?
In most cases, yes. The chemical composition ranges overlap significantly (93%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN 10088-3 and JIS standards.
What is the JIS equivalent of 420A / X20Cr13?
The JIS equivalent of 420A / X20Cr13 (1.4021) is SUS420J1, specified in JIS G4303.
Other International Equivalents
| Country | Standard | Grade | Match | |
|---|---|---|---|---|
| 🇪🇺 | Europe | EN | X20Cr13 | 100% |
| 🇫🇷 | France | AFNOR | Z20C13 | 98% |
| 🇬🇧 | United Kingdom | BS | 420S29 / 420S37 | 97% |
Related Comparisons
Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN 10088-3, JIS G4303.
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.