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ASTM B631 Class B vs. AWS BAg-13a

Both ASTM B631 class B and AWS BAg-13a 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 ASTM B631 class B and the bottom bar is AWS BAg-13a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
92
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 78 to 79
34

Thermal Properties

Latent Heat of Fusion, J/g 150
160
Melting Completion (Liquidus), °C 2460 to 2480
890
Specific Heat Capacity, J/kg-K 170
300
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Density, g/cm3 14
9.8
Embodied Carbon, kg CO2/kg material 49
54
Embodied Energy, MJ/kg 760
850

Common Calculations

Stiffness to Weight: Axial, points 8.1
5.2
Stiffness to Weight: Bending, points 14
15