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The Japan equivalent of 304 Stainless Steel (1.4301) is SUS304 with a 99% composition match.

🇯🇵 Japan equivalent of

304 Stainless Steel1.4301

SUS304

Standard: JIS · Source: JIS G4303

Match99%

Identical specification

Quick Facts

Original🇯🇵 Equivalent
Designation304 Stainless SteelSUS304
Material Number1.4301
StandardEN 10088-2JIS
CategoryStainless SteelStainless Steel

Frequently Asked Questions

Is 304 Stainless Steel the same as SUS304?

304 Stainless Steel (EN 10088-2) and SUS304 (JIS) are near-equivalent grades with a 99% 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 304 Stainless Steel with SUS304?

In most cases, yes. The chemical composition ranges overlap significantly (99%). However, verify mechanical property requirements for your specific application, as heat treatment practices may differ between EN 10088-2 and JIS standards.

What is the JIS equivalent of 304 Stainless Steel?

The JIS equivalent of 304 Stainless Steel (1.4301) is SUS304, specified in JIS G4303.

Other International Equivalents

CountryStandardGradeMatch
🇪🇺EuropeENX5CrNi18-10100%
🇬🇧United KingdomBS304S3198%
🇨🇳ChinaGB0Cr18Ni996%

Related Comparisons

Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN 10088-2, 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.