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Specification: Main steel grade Carries out the standard P20 718 S45C-S55C
40Cr,45-55 50Mn SM45-SM55,SM3Cr2Mo SM3Cr2Ni1Mo 2311,2378 A681 JIS G 4051 SPECIAL-CONDITION & GB711 YB/T107 SPECIAL-CONDITION
Main use Uses in manufacturing various pseudo plastic mould, the high mirror surface mold, mold and so on
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