China Alloy Steel Bar Scm420h Scm440 4140 42CrMo4 Round Steel

GBJISDINASTM/AISI/SAE20CrMoHSCM420H18CrMo4H4120H

5.Chemical composition:

CSIMNSPCRMO0.17-0.230.17-0.370.55-0.900.03 (max)0.03 (max)0.85-1.250.15-0.35

6.Dimension Tolerances:

DIA 7-2020-3030-5050-8080-110110-150150-190190-250MM+0.35
-0.35+0.40
-0.40+0.50
-0.50+0.70
-0.70+1.0
-1.0+1.3
-1.3+2.0
-2.0+2.5
-2.5

7.Ready stock:1000 tons

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