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ASTM B631 Class B vs. Type 2 Pewter

Both ASTM B631 class B and Type 2 pewter are 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 ASTM B631 class B and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
52
Poisson's Ratio 0.31
0.35
Shear Modulus, GPa 78 to 79
19

Thermal Properties

Latent Heat of Fusion, J/g 150
69
Melting Completion (Liquidus), °C 2460 to 2480
300
Specific Heat Capacity, J/kg-K 170
220
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Density, g/cm3 14
7.3
Embodied Carbon, kg CO2/kg material 49
12
Embodied Energy, MJ/kg 760
210

Common Calculations

Stiffness to Weight: Axial, points 8.1
3.9
Stiffness to Weight: Bending, points 14
17