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Solder Alloy 137 vs. CC762S Brass

Solder alloy 137 belongs to the otherwise unclassified metals classification, while CC762S brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 137 and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
110
Elongation at Break, % 19
7.3
Poisson's Ratio 0.42
0.32
Shear Modulus, GPa 8.3
43
Tensile Strength: Ultimate (UTS), MPa 34
840

Thermal Properties

Latent Heat of Fusion, J/g 33
200
Melting Completion (Liquidus), °C 270
920
Melting Onset (Solidus), °C 190
870
Specific Heat Capacity, J/kg-K 150
420
Thermal Conductivity, W/m-K 38
51
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
32

Otherwise Unclassified Properties

Base Metal Price, % relative 85
24
Density, g/cm3 10
8.0
Embodied Carbon, kg CO2/kg material 6.3
3.1
Embodied Energy, MJ/kg 100
51
Embodied Water, L/kg 660
350

Common Calculations

Stiffness to Weight: Axial, points 1.3
7.8
Stiffness to Weight: Bending, points 9.2
20
Strength to Weight: Axial, points 0.9
29
Strength to Weight: Bending, points 2.2
25
Thermal Diffusivity, mm2/s 25
15
Thermal Shock Resistance, points 3.7
27

Alloy Composition

Aluminum (Al), % 0 to 0.0010
3.0 to 7.0
Antimony (Sb), % 0.5 to 3.0
0 to 0.030
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
57 to 67
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
1.5 to 4.0
Lead (Pb), % 75.9 to 80
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0 to 0.010
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 19.5 to 20.5
0 to 0.2
Zinc (Zn), % 0 to 0.0010
13.4 to 36