AISI 1040, Carbon steel Equivalent Grades UNS number G10400 US name ASTM G10420, ASTM 1042, ASTM 1040,ASME G10400, ASME G10390, ASME 1039 EN name ~HS40 ISO name ~CE40E4 JIS (Japanese) name ~STKM16C, ~STKM16A Tradenames of AISI 1040, Carbon steel: ALLENOY 1038, ASCOMETAL XC38H1-H2, B/43, BOFORS N91, BOHLER V943, DODGE D-4, DONEGAL D-3, DYNAMIC C-1-4, DYNAMIC … Continue reading AISI 1040, Carbon steel | Equivalent Grades