Material Cross Reference Table Steel Classification Japan China USA UK Germany France Russia JIS GB AISI/ASTM BS DIN NF ГОСТ 1075 75 SUP3 1078 80 85 SUP6 55Si2Mn 56SiCr7 60Si7 60С2 Spring Steel SUP7 60Si2Mn 9260 61SiCr7 60Si7 60С2Г 60Si2MnA SUP9 55CrMnA 5155 55Cr3 55Cr3 SUP9A 60CrMnA 5160 55Cr3 60Cr3 SUP10 50CrVA 6150 735A51, 735H51 50CrV4 51CrV4 ХФА50ХГФА SUP11A 60CrMnBA 51B60 51CrV4 50ХГР SUP12 9254 685A57, 685H57 54SiCr6 54SiCr6 SUP13 60CrMnMoA 4161 705A60, 705H60 60CrMn3-2 60CrMo4 SUM11 1110 SUM12 Y12 1108 SUM21 1212 SUM22 Y15 1213 (230M07) 9SMn28 S250 Free Cutting Carbon Steel SUM22L Y12Pb 12L13 9SMnPb28 S250Pb SUM23 1215 SUM23L SUM24L Y15Pb 12L14 9SMnPb28 S250Pb SUM25 9SMn36 S300 SUM31 1117 15S10 SUM31L SUM32 Y20 210M15, 210A15 (13MF4) SUM41 Y30 1137 (35MF6) Y35 SUM42 Y40Mn 1141 (45MF6.1) SUM43 1144 (226M44) (45MF6.3) High Carbon Chromium SUJ1 GCr4 51100 Bearing Steel SUJ2 GCr15 52100 100Cr6 100Cr6 ЩХ15 SUJ3 GCr15SiMn ASTM A 485 Grade 1 SUJ4 GCr15SiMo SUJ5 GCr18Mo R Vc= π×Dm×n Technical Information R14