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AWS BAg-20 vs. Type 2 Pewter

Both AWS BAg-20 and Type 2 pewter are otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-20 and the bottom bar is Type 2 pewter.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
52
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 35
19
Tensile Strength: Ultimate (UTS), MPa 160
52 to 68

Thermal Properties

Latent Heat of Fusion, J/g 150
69
Melting Completion (Liquidus), °C 770
300
Melting Onset (Solidus), °C 680
240
Specific Heat Capacity, J/kg-K 340
220
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.3
Embodied Carbon, kg CO2/kg material 30
12
Embodied Energy, MJ/kg 480
210

Common Calculations

Stiffness to Weight: Axial, points 6.0
3.9
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 5.1
2.0 to 2.6
Strength to Weight: Bending, points 7.6
4.3 to 5.1
Thermal Shock Resistance, points 5.9
3.4 to 4.4

Alloy Composition

Antimony (Sb), % 0
5.0 to 7.5
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 37 to 39
1.5 to 3.0
Iron (Fe), % 0
0 to 0.015
Lead (Pb), % 0
0 to 0.050
Silver (Ag), % 29 to 31
0
Tin (Sn), % 0
90 to 93
Zinc (Zn), % 30 to 34
0 to 0.0050
Residuals, % 0 to 0.15
0