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Solder Alloy 142 vs. C69710 Brass

Solder alloy 142 belongs to the otherwise unclassified metals classification, while C69710 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 142 and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
110
Elongation at Break, % 37
25
Poisson's Ratio 0.4
0.32
Shear Modulus, GPa 12
41
Tensile Strength: Ultimate (UTS), MPa 43
470

Thermal Properties

Latent Heat of Fusion, J/g 42
240
Melting Completion (Liquidus), °C 210
930
Melting Onset (Solidus), °C 180
880
Specific Heat Capacity, J/kg-K 170
400
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 25
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.3
Embodied Carbon, kg CO2/kg material 9.4
2.7
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 890
310

Common Calculations

Stiffness to Weight: Axial, points 2.0
7.3
Stiffness to Weight: Bending, points 11
19
Strength to Weight: Axial, points 1.3
16
Strength to Weight: Bending, points 2.9
16
Thermal Diffusivity, mm2/s 28
12
Thermal Shock Resistance, points 3.7
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0.030 to 0.060
Bismuth (Bi), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
75 to 80
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 47.4 to 50
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
2.5 to 3.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
13.8 to 22
Residuals, % 0
0 to 0.5