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Hot Rolled 1040 Carbon Steel
Material Properties
Base Metal Price: 3.6 % rel
Density: 7.8 g/cm3 (490 lb/ft3)
Elastic (Young's, Tensile) Modulus: 210 GPa (30 x 106 psi)
Elongation at Break: 22 %
Specific Heat Capacity: 450 J/kg-K
Strength to Weight Ratio: 71 kN-m/kg
Tensile Strength: Ultimate (UTS): 550 MPa (80 x 103 psi)
Tensile Strength: Yield (Proof): 320 MPa (46 x 103 psi)
Thermal Expansion: 11.9 µm/m-K
Alloy Composition
Iron (Fe): 98.6 to 99.0 %
Manganese (Mn): 0.6 to 0.9 %
Carbon (C): 0.37 to 0.44 %
Sulfur (S): 0 to 0.05 %
Phosphorus (P): 0 to 0.04 %
See Also
ASTM A 29: Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
Ferrous Materials: Steel and Cast Iron, Hans Berns and Werner Theisen, 2008

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