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ASTM A572 Steel vs. AWS BAg-9

ASTM A572 steel belongs to the iron alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM A572 steel and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
82
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
31
Tensile Strength: Ultimate (UTS), MPa 470 to 620
140

Thermal Properties

Latent Heat of Fusion, J/g 250
130
Melting Completion (Liquidus), °C 1460
720
Melting Onset (Solidus), °C 1420
670
Specific Heat Capacity, J/kg-K 470
290
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.6
Embodied Energy, MJ/kg 22
980

Common Calculations

Stiffness to Weight: Axial, points 13
4.8
Stiffness to Weight: Bending, points 24
15
Strength to Weight: Axial, points 17 to 22
4.1
Strength to Weight: Bending, points 17 to 21
6.3
Thermal Shock Resistance, points 14 to 18
6.0