Main Shaft

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资质认证工艺流程

详细介绍

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Device parameters

Chemical Compososition (m%)

Grade	C	Si	Mn	Cr	Mo	P	S	Ni	Cu
40CrNi2Mo	0.37～0.45	0.15～0.35	0.50～0.80	0.70～0.90	0.20～0.30	≤0.025	≤0.030	1.65～2.0	≤0.025

Mechanical Property

Grade	Tensile Strength Rm(MPa)	Yield Strength Rp 0.2 (MPa)	Elongation A(%)	Reduction Area Z(%)	Charpy V Impact A k (J)	Hardness HBW
40CrNi2Mo	≥980	≥835	≥12	≥55	≥78	≤269HB