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Free Cutting Steel Grade Equivalent Table


Free cutting steel which is the alloy steel be added certain amount of sulfur, phosphorus, lead, calcium, selenium, tellurium and other elements to improve the machinability. As the development of machining technology, the requirements for machinability of steel is more and more important. It has great impact in the industry. And I will show you all the information of Free Cutting Steel grade equivalents table for American ASTM, UNS, to GB, ISO, Europe, Germany, France, and Japan. And as a leader steel supplier in China, if you need the material as below, please kindly contact us.

Y12 10S20 4 1211 C1211, B1112 1109 C12110 G11090 SUM12 SUM21 10S20 210M15 220M07 13MF4 10F 10F1
Y12Pb 11SMnPb28 4Pb 12L13 G12134 SUM22L 10SPb20 AD37Pb 10Pb2 10PbF2
Y15 11SMn28 6 1213 1119 B1113 G12130 G11190 SUM25 SUM22 10S20 15S20 95Mn28 220M07 230M07 210A15 240M07 15F2
Y15Pb 11SMnPb28 12L14 G12144 SUM22L SUM24L 9SMnPb28 -- 10PbF2 S250Pb
Y20 -- 1117 G11170 SUM32 1C22 1C22 1C22
Y20 -- C1120 SUM31 22S20 En7 18MF5 20F2
Y30 C30ea 1132 C1126 G11320 -- 1C30 1C30 1C30
Y35 C35ea 1137 G11370 SUM41 SUM41 1C35 212M36 212A37 1C35 35MF6
Y40Mn 44SMn28 9 1144 1141 G11440 G11410 SUM43 SUM42 SUM43 SUM42 226M44 225M44 225M36 212M44 45MF6.3 45MF4 40M5
Y45Ca -- -- -- -- 1C45 1C45 1C45
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