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Solder Alloy 402 vs. C43500 Brass

Solder alloy 402 belongs to the otherwise unclassified metals classification, while C43500 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 402 and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
110
Elongation at Break, % 20
8.5 to 46
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
42
Tensile Strength: Ultimate (UTS), MPa 57
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 64
190
Melting Completion (Liquidus), °C 310
1000
Melting Onset (Solidus), °C 230
970
Specific Heat Capacity, J/kg-K 230
380
Thermal Conductivity, W/m-K 61
120
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
28
Electrical Conductivity: Equal Weight (Specific), % IACS 18
30

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.5
Embodied Carbon, kg CO2/kg material 15
2.7
Embodied Energy, MJ/kg 250
45
Embodied Water, L/kg 1180
320

Common Calculations

Stiffness to Weight: Axial, points 3.9
7.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.2
10 to 17
Strength to Weight: Bending, points 4.5
12 to 17
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 3.6
11 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
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
79 to 83
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 0 to 0.070
0 to 0.090
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 95.9 to 97.5
0.6 to 1.2
Zinc (Zn), % 0 to 0.0010
15.4 to 20.4
Residuals, % 0
0 to 0.3