40cr1化学成分是什么
40Cr1化学成份:碳C :0.37~0.44 ,硅Si0:10.37,锰Mn:0.50~0.80 ,硫S :允许残余含量≤0.035,磷P :允许残余含量≤0.035,铬Cr:0.80~1.10 ,镍Ni:允许残余含量≤0.030,铜Cu:允许残余含量≤0.03035。40Cr1是我国GB的标...
40Cr1化学成份:碳C :0.37~0.44 ,硅Si0:10.37,锰Mn:0.50~0.80 ,硫S :允许残余含量≤0.035,磷P :允许残余含量≤0.035,铬Cr:0.80~1.10 ,镍Ni:允许残余含量≤0.030,铜Cu:允许残余含量≤0.03035。40Cr1是我国GB的标...