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Solder Alloy 134 vs. ASTM B631 Class A

Both solder alloy 134 and ASTM B631 class A are otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 134 and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
220
Poisson's Ratio 0.4
0.3
Shear Modulus, GPa 11
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 41
160
Melting Completion (Liquidus), °C 230
2680 to 2690
Specific Heat Capacity, J/kg-K 170
160
Thermal Conductivity, W/m-K 45
420
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
40 to 47
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
25 to 29

Otherwise Unclassified Properties

Density, g/cm3 9.6
15
Embodied Carbon, kg CO2/kg material 8.5
43
Embodied Energy, MJ/kg 140
670

Common Calculations

Stiffness to Weight: Axial, points 1.8
8.5
Stiffness to Weight: Bending, points 11
14
Thermal Diffusivity, mm2/s 28
180