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Solder Alloy 124 vs. C90200 Bronze

Solder alloy 124 belongs to the otherwise unclassified metals classification, while C90200 bronze 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 124 and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
110
Elongation at Break, % 46
30
Poisson's Ratio 0.44
0.34
Shear Modulus, GPa 5.8
41
Tensile Strength: Ultimate (UTS), MPa 27
260

Thermal Properties

Latent Heat of Fusion, J/g 24
200
Melting Completion (Liquidus), °C 330
1050
Melting Onset (Solidus), °C 320
880
Specific Heat Capacity, J/kg-K 130
370
Thermal Conductivity, W/m-K 22
62
Thermal Expansion, µm/m-K 29
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
13
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
34
Density, g/cm3 11
8.8
Embodied Carbon, kg CO2/kg material 4.1
3.3
Embodied Energy, MJ/kg 68
53
Embodied Water, L/kg 470
370

Common Calculations

Stiffness to Weight: Axial, points 0.83
7.0
Stiffness to Weight: Bending, points 7.6
18
Strength to Weight: Axial, points 0.65
8.3
Strength to Weight: Bending, points 1.8
10
Thermal Diffusivity, mm2/s 15
19
Thermal Shock Resistance, points 3.9
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.12
0 to 0.2
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
91 to 94
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), % 97.2 to 98.2
0 to 0.3
Nickel (Ni), % 0 to 0.010
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 1.8 to 2.2
6.0 to 8.0
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.6