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C87700 Bronze vs. Solder Alloy 102

C87700 bronze belongs to the copper alloys classification, while solder alloy 102 belongs to the otherwise unclassified metals. There are 23 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 C87700 bronze and the bottom bar is solder alloy 102.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
38
Elongation at Break, % 3.6
48
Poisson's Ratio 0.33
0.39
Shear Modulus, GPa 42
14
Tensile Strength: Ultimate (UTS), MPa 300
31

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 980
180
Melting Onset (Solidus), °C 900
180
Specific Heat Capacity, J/kg-K 400
190
Thermal Conductivity, W/m-K 120
53
Thermal Expansion, µm/m-K 18
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
12
Electrical Conductivity: Equal Weight (Specific), % IACS 48
13

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 2.7
11
Embodied Energy, MJ/kg 45
180
Embodied Water, L/kg 310
930

Common Calculations

Stiffness to Weight: Axial, points 7.4
2.4
Stiffness to Weight: Bending, points 19
13
Strength to Weight: Axial, points 9.8
1.0
Strength to Weight: Bending, points 12
2.5
Thermal Diffusivity, mm2/s 34
32
Thermal Shock Resistance, points 11
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0 to 0.1
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 87.5 to 90.5
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.020
Lead (Pb), % 0 to 0.090
36 to 37.5
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 0 to 0.25
0 to 0.010
Phosphorus (P), % 0 to 0.15
0
Silicon (Si), % 2.5 to 3.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 2.0
62.5 to 63.5
Zinc (Zn), % 7.0 to 9.0
0 to 0.0010
Residuals, % 0 to 0.8
0