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C68700 Brass vs. Solder Alloy 117

C68700 brass belongs to the copper alloys classification, while solder alloy 117 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 C68700 brass and the bottom bar is solder alloy 117.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
23
Poisson's Ratio 0.32
0.42
Shear Modulus, GPa 41
8.1
Tensile Strength: Ultimate (UTS), MPa 390
33

Thermal Properties

Latent Heat of Fusion, J/g 190
31
Melting Completion (Liquidus), °C 970
280
Melting Onset (Solidus), °C 930
180
Specific Heat Capacity, J/kg-K 400
150
Thermal Conductivity, W/m-K 100
37
Thermal Expansion, µm/m-K 19
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 25
7.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
85
Density, g/cm3 8.3
11
Embodied Carbon, kg CO2/kg material 2.8
6.1
Embodied Energy, MJ/kg 46
100
Embodied Water, L/kg 340
610

Common Calculations

Stiffness to Weight: Axial, points 7.3
1.2
Stiffness to Weight: Bending, points 19
9.0
Strength to Weight: Axial, points 13
0.88
Strength to Weight: Bending, points 14
2.2
Thermal Diffusivity, mm2/s 30
24
Thermal Shock Resistance, points 13
3.7

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0.020 to 0.1
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
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
78.4 to 80.5
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
19.5 to 20.5
Zinc (Zn), % 17.8 to 22.2
0 to 0.0010
Residuals, % 0 to 0.5
0