... ≤0.04% ≤0.05%Mechanic Properties:GradeThicknessmmYield point N/mm²Tensile StrengthN/mm²Elongation(50mm)%ASTM A572Gr653-1645055017%ASTM A572Gr603-1641552018 ... products is ASTM,A572Gr65, Gr60, Gr50, Q460C,Q420B series high strength of steel. Our company established in July, 2008, located in ... wire rod and so on. The annual capacity of high strength galvanized steel is 38,000 tons, cold-rolled galvanized ...