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Henan Bebon Iron&Steel Co.,Ltd is a steel-bar-specialized factory, located in zhengzhou city, south of henan province. Found in 2000, it takes an area of 520,000 square meters.

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30CrMnSiA steel round bar Annealing

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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

30CrMnSiA steel round bar has a high strength and toughness, and the hardenability after the quality of quenching. 30CrMnSiA steel round bar is of medium carbon, high strength and poor welding performance. 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.