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Solder Alloy 402 vs. C90200 Bronze

Solder alloy 402 belongs to the otherwise unclassified metals classification, while C90200 bronze 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 402 and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
110
Elongation at Break, % 20
30
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
41
Tensile Strength: Ultimate (UTS), MPa 57
260

Thermal Properties

Latent Heat of Fusion, J/g 64
200
Melting Completion (Liquidus), °C 310
1050
Melting Onset (Solidus), °C 230
880
Specific Heat Capacity, J/kg-K 230
370
Thermal Conductivity, W/m-K 61
62
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
13
Electrical Conductivity: Equal Weight (Specific), % IACS 18
13

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 15
3.3
Embodied Energy, MJ/kg 250
53
Embodied Water, L/kg 1180
370

Common Calculations

Stiffness to Weight: Axial, points 3.9
7.0
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 2.2
8.3
Strength to Weight: Bending, points 4.5
10
Thermal Diffusivity, mm2/s 37
19
Thermal Shock Resistance, points 3.6
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
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), % 2.5 to 3.5
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), % 0 to 0.070
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), % 95.9 to 97.5
6.0 to 8.0
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.6