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AWS BAg-1a vs. ASTM B631 Class B

Both AWS BAg-1a and ASTM B631 class B 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-1a and the bottom bar is ASTM B631 class B.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
210
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 29
78 to 79

Thermal Properties

Latent Heat of Fusion, J/g 120
150
Melting Completion (Liquidus), °C 640
2460 to 2480
Specific Heat Capacity, J/kg-K 280
170
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
14
Embodied Carbon, kg CO2/kg material 48
49
Embodied Energy, MJ/kg 760
760

Common Calculations

Stiffness to Weight: Axial, points 4.6
8.1
Stiffness to Weight: Bending, points 15
14