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Solder Alloy 131 vs. C94100 Bronze

Solder alloy 131 belongs to the otherwise unclassified metals classification, while C94100 bronze belongs to the copper alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 131 and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
92
Elongation at Break, % 47
7.8
Poisson's Ratio 0.39
0.36
Shear Modulus, GPa 14
34
Tensile Strength: Ultimate (UTS), MPa 31
190

Thermal Properties

Latent Heat of Fusion, J/g 46
160
Melting Completion (Liquidus), °C 180
870
Melting Onset (Solidus), °C 180
790
Specific Heat Capacity, J/kg-K 190
330
Thermal Expansion, µm/m-K 25
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.8

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.2
Embodied Carbon, kg CO2/kg material 11
3.0
Embodied Energy, MJ/kg 180
48
Embodied Water, L/kg 940
370

Common Calculations

Stiffness to Weight: Axial, points 2.4
5.5
Stiffness to Weight: Bending, points 13
16
Strength to Weight: Axial, points 1.0
5.8
Strength to Weight: Bending, points 2.5
8.1
Thermal Shock Resistance, points 2.4
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0.2 to 0.5
0 to 0.8
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
72 to 79
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 35.5 to 37.3
18 to 22
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 62.5 to 63.5
4.5 to 6.5
Zinc (Zn), % 0 to 0.0010
0 to 1.0
Residuals, % 0
0 to 1.3