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Solder Alloy 502 vs. C23400 Brass

Solder alloy 502 belongs to the otherwise unclassified metals classification, while C23400 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 502 and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
42
Tensile Strength: Ultimate (UTS), MPa 58
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 66
190
Melting Completion (Liquidus), °C 350
970
Melting Onset (Solidus), °C 220
930
Specific Heat Capacity, J/kg-K 230
390
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 22
19

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.5
Embodied Carbon, kg CO2/kg material 15
2.6
Embodied Energy, MJ/kg 260
43

Common Calculations

Stiffness to Weight: Axial, points 4.0
7.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.2
12 to 21
Strength to Weight: Bending, points 4.5
13 to 19
Thermal Diffusivity, mm2/s 28
36
Thermal Shock Resistance, points 3.6
12 to 22

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 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 3.5 to 4.5
81 to 84
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 0.050
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 93.8 to 95.7
0
Zinc (Zn), % 0 to 0.0010
15.7 to 19
Residuals, % 0
0 to 0.2