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AWS BAg-2a vs. ASTM B631 Class A

Both AWS BAg-2a and ASTM B631 class A are otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-2a and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
220
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 31
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 130
160
Melting Completion (Liquidus), °C 710
2680 to 2690
Specific Heat Capacity, J/kg-K 310
160
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Density, g/cm3 8.8
15
Embodied Carbon, kg CO2/kg material 30
43
Embodied Energy, MJ/kg 470
670

Common Calculations

Stiffness to Weight: Axial, points 5.2
8.5
Stiffness to Weight: Bending, points 17
14