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ASTM B631 Class A vs. AWS BVAu-4

Both ASTM B631 class A and AWS BVAu-4 are otherwise unclassified metals. There are 10 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class A and the bottom bar is AWS BVAu-4.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 15
17
Elastic (Young's, Tensile) Modulus, GPa 220
110
Latent Heat of Fusion, J/g 160
100
Melting Completion (Liquidus), °C 2680 to 2690
950
Poisson's Ratio 0.3
0.4
Shear Modulus, GPa 85 to 86
41
Specific Heat Capacity, J/kg-K 160
190
Stiffness to Weight: Axial, points 8.5
3.6
Stiffness to Weight: Bending, points 14
9.3
Thermal Expansion, µm/m-K 11
14