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C68700 Brass vs. Solder Alloy 102

C68700 brass belongs to the copper alloys classification, while solder alloy 102 belongs to the otherwise unclassified metals. There are 22 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 C68700 brass and the bottom bar is solder alloy 102.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
38
Poisson's Ratio 0.32
0.39
Shear Modulus, GPa 41
14
Tensile Strength: Ultimate (UTS), MPa 390
31

Thermal Properties

Latent Heat of Fusion, J/g 190
46
Melting Completion (Liquidus), °C 970
180
Melting Onset (Solidus), °C 930
180
Specific Heat Capacity, J/kg-K 400
190
Thermal Conductivity, W/m-K 100
53
Thermal Expansion, µm/m-K 19
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
12
Electrical Conductivity: Equal Weight (Specific), % IACS 25
13

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.8
11
Embodied Energy, MJ/kg 46
180
Embodied Water, L/kg 340
930

Common Calculations

Stiffness to Weight: Axial, points 7.3
2.4
Stiffness to Weight: Bending, points 19
13
Strength to Weight: Axial, points 13
1.0
Strength to Weight: Bending, points 14
2.5
Thermal Diffusivity, mm2/s 30
32
Thermal Shock Resistance, points 13
2.4

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0.020 to 0.1
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 76 to 79
0 to 0.080
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
36 to 37.5
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 17.8 to 22.2
0 to 0.0010
Residuals, % 0 to 0.5
0