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45# 1045/S45C/080M46/C45
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40mn 1036, 1040/S40C/080A40/40Mn4
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40Cr 5140/520M40/SCRr440/42C4
15CrMo A-387Cr B/1653/STC42/12CD4/16CrMo44
42CrMo 4140/708A42/42CD4/42CrMo4
12Cr1MoV 13CrMoV42
35CrMo 4135/708A37/SCM3/35CD4/34CrMo4
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2016 CPR New CertificateQuality System Certificate 2016.5.18-2019.5.17