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Home > News > Industry News > Views30CrMnSiA steel round bar Excellent quality

30CrMnSiA steel round bar Excellent quality

30CrMnSiA steel round bar is of medium carbon, high strength and poor welding performance. 30CrMnSiA steel round bar has a high strength and toughness, and the hardenability after the quality of quenching. 30CrMnSiA steel round bar has good processability, small processing deformation and excellent fatigue resistance. Used for shaft and piston parts, etc. It is used in automobile, aircraft, special wear-resisting parts, etc.

30CrMnSiA steel round bar Chemical composition(%)

C:0.28-0.34 Si:0.90-1.20 Mn:0.80-1.10 Ni:≤0.40 Cr:0.80-1.10 Cu:≤0.25

30CrMnSiA steel round bar Mechanical properties

Grade

Rm(Mpa)

A(%)

30CrMnSiA

Annealing
Annealed≥490
N+T
QT:685-885

Annealing
Annealed≥18
N+T
QT ≥18

If you need 30CrMnSiA steel round bar and want to know 30CrMnSiA steel round bar chemical composition an 30CrMnSiA steel round bar mechanical properties,please contact us!