HSLA steel grade ASTM A572 material properties

ASTM A572 steel is an alloy steel formulated for primary forming into wrought products. It has a very low base cost among wrought alloy steels in the same category. In addition, it has a moderately low electrical conductivity and a fairly high thermal conductivity.
The ASTM A572 specification is the Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel for plates used in general construction and structural applications.  ASTM A572 includes five grades with specified minimum yield strengths of 42, 50, 55, 60, and 65 ksi, respectively. 
ASTM A572 plate manufacturing processes
1. The Steel Making Processes
Desulphurization – Converter Smelting – Continuous Casting – Steel Billet Finishing – Billet Steel
2. Steel Rolling Processes
Heating – Dephosphorization – Rolling – Straighten – Cooling – Upper Surface Inspection – Plate Turnover – Lower Surface Inspection – Disc Shear Cutting – Transverse Shear – Finish Plate Inspection – Marking – Storage
3. Heat Treatment (Optional)
Ball Blasting – Heat Treatment – Cooling – Finishing – Inspecting – Storage
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