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The USA equivalent of SUS420J2 is AISI 420 (high C variant) (S42000) with a 90% composition match.

🇺🇸 USA equivalent of

SUS420J2

AISI 420 (high C variant)S42000

Standard: AISI · Source: ASTM A276

Match90%

US — 420 covers wide C range

Quick Facts

Original🇺🇸 Equivalent
DesignationSUS420J2AISI 420 (high C variant)
Material NumberS42000
StandardJIS G4303AISI
CategoryStainless SteelStainless Steel

Frequently Asked Questions

Is SUS420J2 the same as AISI 420 (high C variant)?

SUS420J2 (JIS G4303) and AISI 420 (high C variant) (AISI) are near-equivalent grades with a 90% 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 SUS420J2 with AISI 420 (high C variant)?

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 JIS G4303 and AISI standards.

What is the AISI equivalent of SUS420J2?

The AISI equivalent of SUS420J2 (420j2) is AISI 420 (high C variant) (S42000), specified in ASTM A276.

Other International Equivalents

CountryStandardGradeMatch
🇪🇺EuropeENX30Cr13 (1.4028)95%
🇨🇳ChinaGB3Cr1395%

Related Comparisons

Data provided for reference only. Always verify against the applicable specification for critical applications. Source: JIS G4303, ASTM A276.

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.