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🇯🇵 Japan equivalent of

O1 / 100MnCrW41.2510

SKS390%

Standard: JIS · Source: JIS G4404

Japanese equivalent

View full O1 / 100MnCrW4 data →

Other international equivalents

CountryStandardGradeMatch
🇺🇸USAAISIAISI O1REF
🇪🇺EuropeEN100MnCrW4100%