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Type 2 Pewter vs. Solder Alloy 702

Both Type 2 pewter and solder alloy 702 are otherwise unclassified metals. They have a moderately high 92% of their average alloy composition in common. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Type 2 pewter and the bottom bar is solder alloy 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
51
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 19
19
Tensile Strength: Ultimate (UTS), MPa 52 to 68
53

Thermal Properties

Latent Heat of Fusion, J/g 69
61
Melting Completion (Liquidus), °C 300
220
Melting Onset (Solidus), °C 240
220
Specific Heat Capacity, J/kg-K 220
220
Thermal Expansion, µm/m-K 21
22

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.4
Embodied Carbon, kg CO2/kg material 12
17
Embodied Energy, MJ/kg 210
290

Common Calculations

Stiffness to Weight: Axial, points 3.9
3.8
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.0 to 2.6
2.0
Strength to Weight: Bending, points 4.3 to 5.1
4.2
Thermal Shock Resistance, points 3.4 to 4.4
3.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 5.0 to 7.5
0 to 0.1
Arsenic (As), % 0 to 0.050
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 1.5 to 3.0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.015
0 to 0.020
Lead (Pb), % 0 to 0.050
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
2.8 to 3.2
Tin (Sn), % 90 to 93
96.3 to 97.2
Zinc (Zn), % 0 to 0.0050
0 to 0.0010