Skip to content

🇬🇧 United Kingdom equivalent of

42CrMo41.7225

708M40 / EN1997%

Standard: BS · Source: BS 970

British equivalent, very close composition

Other international equivalents

CountryStandardGradeMatch
🇺🇸USAAISIAISI 4140REF
🇪🇺EuropeEN42CrMo4100%
🇫🇷FranceAFNOR42CD498%
🇯🇵JapanJISSCM44096%
🇨🇳ChinaGB42CrMo93%