4140
4140
Standard: | Material: 4140
Standard Steel
Alloy
Origin: China In Stock
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Product Description
C:0.37-0.44;Mn:0.65-1.10;Si:0.15-0.35;Cr:0.75-1.20;Mo:0.15-0.25;P:≤0.035;S:≤0.040
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