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ASTM B631 Class B vs. AWS BAu-4

Both ASTM B631 class B and AWS BAu-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 B and the bottom bar is AWS BAu-4.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 14
17
Elastic (Young's, Tensile) Modulus, GPa 210
110
Latent Heat of Fusion, J/g 150
100
Melting Completion (Liquidus), °C 2460 to 2480
950
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 78 to 79
41
Specific Heat Capacity, J/kg-K 170
190
Stiffness to Weight: Axial, points 8.1
3.6
Stiffness to Weight: Bending, points 14
9.3
Thermal Expansion, µm/m-K 12
14