1.Grade: SAE4140 4150 42CrMo4 50CrMo4 A193 B16 2.Dia:12-300mm 3.Length:3-12m 4.Hot rolled 5.MOQ: 3mt per size 6.Chemical Composition Grade C Si Mn Cr Mo Ni Cu P S 4140 0.38 0.41 0.15 0.35 0.85 1.00 0...
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