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Solder Alloy 122 vs. C61500 Bronze

Solder alloy 122 belongs to the otherwise unclassified metals classification, while C61500 bronze belongs to the copper alloys. There are 24 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 122 and the bottom bar is C61500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 20
110
Elongation at Break, % 30
3.0 to 55
Poisson's Ratio 0.43
0.34
Shear Modulus, GPa 6.9
42
Tensile Strength: Ultimate (UTS), MPa 30
480 to 970

Thermal Properties

Latent Heat of Fusion, J/g 27
220
Melting Completion (Liquidus), °C 300
1040
Melting Onset (Solidus), °C 270
1030
Specific Heat Capacity, J/kg-K 140
430
Thermal Conductivity, W/m-K 25
58
Thermal Expansion, µm/m-K 28
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
29
Density, g/cm3 11
8.4
Embodied Carbon, kg CO2/kg material 5.0
3.2
Embodied Energy, MJ/kg 84
52
Embodied Water, L/kg 540
380

Common Calculations

Stiffness to Weight: Axial, points 1.0
7.5
Stiffness to Weight: Bending, points 8.2
19
Strength to Weight: Axial, points 0.77
16 to 32
Strength to Weight: Bending, points 2.0
16 to 26
Thermal Diffusivity, mm2/s 17
16
Thermal Shock Resistance, points 3.9
17 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.0010
7.7 to 8.3
Antimony (Sb), % 0 to 0.5
0
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
89 to 90.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 88.4 to 90.5
0 to 0.015
Nickel (Ni), % 0 to 0.010
1.8 to 2.2
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 9.5 to 10.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.5