ASTM A572 HSLA Steel
Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength470 to 620MPa
Yield Strength330 to 510MPa
Brinell Hardness140 to 190HB
Maximum Service Temperature400°C
Chemical Composition
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
18 to 25 %
Fatigue Strength
240 to 340 MPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Shear Strength
300 to 380 MPa
Tensile Strength: Ultimate (UTS)
470 to 620 MPa
Tensile Strength: Yield (Proof)
330 to 510 MPa
Hardness
Brinell Hardness
140 to 190
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
400 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
51 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
14 to 18 points
Electrical
Electrical Conductivity: Equal Volume
7.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.2 to 8.3 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
100 to 110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
290 to 690 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 to 22 points
Strength to Weight: Bending
17 to 21 points
Environmental
Base Metal Price
2.0 % relative
Embodied Carbon
1.6 kg CO 2 /kg material
Embodied Energy
22 MJ/kg
Embodied Energy
22 MJ/kg 9.3 to 9.4 x 10 3 BTU/lb
Embodied Water
47 L/kg
Embodied Water
47 L/kg 5.6 gal/lb
Registered Designations & Aliases
ASTM A572 HSLA Steel
Standards
ASTM A572 ASTM A572: Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel
ASTM A572 ASTM A572: Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005