the a588 & a572 steel factory medium carbon steel

30CrMnSiA steel is a grade of alloy structural steel. The steel has high strength and poor welding performance. It is a high-strength quenched and tempered structural steel with high strength and sufficient toughness after quenching and tempering, and good hardenability. It has good workability, small processing deformation and good fatigue resistance. 30CrMnSiA steel is mostly used to manufacture various important parts with high load and high speed.

A514 gr.E quenched and tempered alloy steel chemical composition (melting analysis)%
C: 0.12-0.20, Si: 0.20-0.40, Mn: 0.40-0.70, P max.: 0.035, S max.: 0.035, Cr: 1.40-2.00, Mo: 0.40-0.60, Ti: 0.01-0.10, Cu: 0.15-0.50, B: 0.001-0.005
The mechanical properties in thickness (mm)T≤65
Yield strength (≥Mpa): 690
Tensile strength (Mpa):760-895
Elongation in ≥,%: 18

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