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The Japan equivalent of W1 / C105W1 (1.1545) is SK3 / SK105 with a 90% composition match.

🇯🇵 Japan equivalent of

W1 / C105W11.1545

SK3 / SK105

Standard: JIS · Source: JIS G4401

Match90%

Japanese carbon tool steel

Quick Facts

Original🇯🇵 Equivalent
DesignationW1 / C105W1SK3 / SK105
Material Number1.1545
StandardEN ISO 4957JIS
CategoryTool SteelTool Steel

Frequently Asked Questions

Is W1 / C105W1 the same as SK3 / SK105?

W1 / C105W1 (EN ISO 4957) and SK3 / SK105 (JIS) are near-equivalent grades with a 90% 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 W1 / C105W1 with SK3 / SK105?

In most cases, yes. The chemical composition ranges overlap significantly (90%). 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 W1 / C105W1?

The JIS equivalent of W1 / C105W1 (1.1545) is SK3 / SK105, specified in JIS G4401.

Other International Equivalents

CountryStandardGradeMatch
🇪🇺EuropeENC105W1100%

Related Comparisons

Data provided for reference only. Always verify against the applicable specification for critical applications. Source: EN ISO 4957, JIS G4401.

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.