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ASTM B631 Class C vs. Solder Alloy 102

Both ASTM B631 class C and solder alloy 102 are otherwise unclassified metals. There are 16 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 ASTM B631 class C and the bottom bar is solder alloy 102.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
38
Poisson's Ratio 0.32
0.39
Shear Modulus, GPa 66 to 71
14

Thermal Properties

Latent Heat of Fusion, J/g 140 to 150
46
Melting Completion (Liquidus), °C 2090 to 2230
180
Specific Heat Capacity, J/kg-K 180
190
Thermal Conductivity, W/m-K 450 to 490
53
Thermal Expansion, µm/m-K 14
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55 to 63
12
Electrical Conductivity: Equal Weight (Specific), % IACS 36 to 43
13

Otherwise Unclassified Properties

Density, g/cm3 13 to 14
8.8
Embodied Carbon, kg CO2/kg material 55 to 59
11
Embodied Energy, MJ/kg 860 to 920
180

Common Calculations

Stiffness to Weight: Axial, points 7.4 to 7.6
2.4
Stiffness to Weight: Bending, points 14
13
Thermal Diffusivity, mm2/s 180 to 200
32