breed classify
semi-killed steel OR killed steel
yield strength
A36/235-260MPa S355JR/360-420MPa
strength of extension
A36//420MPa S355JR/485MPa
elongation
A36//26min S355JR/26min
manganese content
A36//Mn(0.45)% S355JR/Mn(1.35)%
silicon content
A36//Si(≥0.19)% S355JR/Si(≥0.002)%
phosphorus content
A36//P(0.03)% S355JR/P(0.012)%
sulphur content
A36//S(0.02)% S355JR/S(0.013)%
manufacturing technique
Hot rolled(elementary) Can be processed again repeatedly