11 Years
1). Grade: 45#(SAE1045, 1.1191, S45C, C45, CK45, EN8 2). Specification: 25/30/35/40/45/50/55/60/65/70/75/80/85MM, cutted any size by customer requestments Chemical composition: C=0.4~0.5, Si=0.2~0.3, ...
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