Specification
1.Medium carbon structural steel.
2.High strength and machinability.
3.Good toughness, plasticity and abrasion resistance.
4.Typically used in quenched and tempered or normalized conditions.
Application
1.Widely used in machine manufacturing.
2.For shaft parts .
3.Stamping die drawing parts repair and hardfacing
Chemical composition
NAME C Si Mn P S Cr Ni
C20 0.42-0.50 0.17-0.37 0.50-0.80 0.035 0.035 0.25 0.30
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