Hot rolled S45C mil steel 1.Specifications of ASTM Steel Plate Round bar Diameter(mm Length (mm) 20-800 3000-5800 Plate : Thickness(mm) Width (mm) Length (mm) Max:800 1600-2300 3000-5800 2.Chemical compositon(%) Standard Number C Si Mn Cr Ni Cu S P GB 45# 0.42-0.50 0.17-0.37 0.5-0.8
