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C68700 Brass vs. Solder Alloy 502

C68700 brass belongs to the copper alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 21 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 C68700 brass and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
53
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 41
19
Tensile Strength: Ultimate (UTS), MPa 390
58

Thermal Properties

Latent Heat of Fusion, J/g 190
66
Melting Completion (Liquidus), °C 970
350
Melting Onset (Solidus), °C 930
220
Specific Heat Capacity, J/kg-K 400
230
Thermal Conductivity, W/m-K 100
47
Thermal Expansion, µm/m-K 19
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
12
Electrical Conductivity: Equal Weight (Specific), % IACS 25
15

Otherwise Unclassified Properties

Density, g/cm3 8.3
7.4
Embodied Carbon, kg CO2/kg material 2.8
15
Embodied Energy, MJ/kg 46
260

Common Calculations

Stiffness to Weight: Axial, points 7.3
4.0
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 13
2.2
Strength to Weight: Bending, points 14
4.5
Thermal Diffusivity, mm2/s 30
28
Thermal Shock Resistance, points 13
3.6

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0.020 to 0.1
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 76 to 79
3.5 to 4.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.060
0 to 0.020
Lead (Pb), % 0 to 0.070
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0.8 to 1.2
Tin (Sn), % 0
93.8 to 95.7
Zinc (Zn), % 17.8 to 22.2
0 to 0.0010
Residuals, % 0 to 0.5
0