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Solder Alloy 131 vs. C42500 Brass

Solder alloy 131 belongs to the otherwise unclassified metals classification, while C42500 brass belongs to the copper alloys. There are 23 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 solder alloy 131 and the bottom bar is C42500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
110
Elongation at Break, % 47
2.0 to 49
Poisson's Ratio 0.39
0.33
Shear Modulus, GPa 14
42
Tensile Strength: Ultimate (UTS), MPa 31
310 to 630

Thermal Properties

Latent Heat of Fusion, J/g 46
200
Melting Completion (Liquidus), °C 180
1030
Melting Onset (Solidus), °C 180
1010
Specific Heat Capacity, J/kg-K 190
380
Thermal Conductivity, W/m-K 55
120
Thermal Expansion, µm/m-K 25
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
28
Electrical Conductivity: Equal Weight (Specific), % IACS 12
29

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 180
46
Embodied Water, L/kg 940
330

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.1
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.0
9.9 to 20
Strength to Weight: Bending, points 2.5
12 to 19
Thermal Diffusivity, mm2/s 33
36
Thermal Shock Resistance, points 2.4
11 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
0
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
87 to 90
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 35.5 to 37.3
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.35
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 62.5 to 63.5
1.5 to 3.0
Zinc (Zn), % 0 to 0.0010
6.1 to 11.5
Residuals, % 0
0 to 0.5