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Solder Alloy 115 vs. ASTM B631 Class B

Both solder alloy 115 and ASTM B631 class B are otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 115 and the bottom bar is ASTM B631 class B.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 28
210
Poisson's Ratio 0.41
0.31
Shear Modulus, GPa 10
78 to 79

Thermal Properties

Latent Heat of Fusion, J/g 36
150
Melting Completion (Liquidus), °C 250
2460 to 2480
Specific Heat Capacity, J/kg-K 160
170
Thermal Conductivity, W/m-K 43
450
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
50 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
32 to 34

Otherwise Unclassified Properties

Density, g/cm3 9.9
14
Embodied Carbon, kg CO2/kg material 7.8
49
Embodied Energy, MJ/kg 130
760

Common Calculations

Stiffness to Weight: Axial, points 1.6
8.1
Stiffness to Weight: Bending, points 10
14
Thermal Diffusivity, mm2/s 27
190