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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
30CrNiMo8	0.37～0.45	≤0.40	0.30-0.60	1.80-2.20	0.30-0.50	≤0.01	≤0.01	1.80-2.20

Mechanical Property

Grade	Tensile Strength	Yield Strength	Elongation A(%)	Reduction Area Z(%)	Charpy V Impact A k (J) at20℃	Hardness HRC
30CrNiMo8	120-140kg/mm2	105kg/mm2	≥9	≥40	≥38	37-41