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🇺🇸 USA equivalent of

16MnCrS51.7139

AISI 5115 (approximate, no S)REF

Standard: AISI · Source: ASTM A29

US approximate — no free-cutting variant

Other international equivalents

CountryStandardGradeMatch
🇪🇺EuropeEN16MnCrS5 / 1.7139100%