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AWS BNi-1a vs. ASTM B631 Class C

AWS BNi-1a belongs to the nickel alloys classification, while ASTM B631 class C belongs to the otherwise unclassified metals. There are 12 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 AWS BNi-1a and the bottom bar is ASTM B631 class C.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
180 to 190
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 70
66 to 71

Thermal Properties

Latent Heat of Fusion, J/g 370
140 to 150
Melting Completion (Liquidus), °C 1080
2090 to 2230
Specific Heat Capacity, J/kg-K 500
180
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 8.0
13 to 14
Embodied Carbon, kg CO2/kg material 8.8
55 to 59
Embodied Energy, MJ/kg 120
860 to 920

Common Calculations

Stiffness to Weight: Axial, points 13
7.4 to 7.6
Stiffness to Weight: Bending, points 24
14