Chemical Composition

ElementComposition %
Carbon (C)0.26 max
Copper (Cu)0.20 min (when copper steel is specified)
Manganese (Mn)0.60-0.90
Phosphorus (P)0.04 max
Sulfur (S)0.05 max
Silicon (Si)0.40 max
Iron (Fe)Balance

Mechanical Properties

PropertyValue
Yield Strength250 MPa min
Tensile Strength400-550 MPa
Elongation20% min in 8″
Brinell Hardness119-162

Physical Properties

PropertyValue
Density7.85 g/cm³
Melting Point1,425-1,538°C (2,600-2,800°F)