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C87900 Brass vs. Solder Alloy 131

C87900 brass belongs to the copper alloys classification, while solder alloy 131 belongs to the otherwise unclassified metals. There are 23 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 C87900 brass and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
38
Elongation at Break, % 25
47
Poisson's Ratio 0.31
0.39
Shear Modulus, GPa 41
14
Tensile Strength: Ultimate (UTS), MPa 480
31

Thermal Properties

Latent Heat of Fusion, J/g 190
46
Melting Completion (Liquidus), °C 930
180
Melting Onset (Solidus), °C 900
180
Specific Heat Capacity, J/kg-K 390
190
Thermal Conductivity, W/m-K 120
55
Thermal Expansion, µm/m-K 20
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 2.7
11
Embodied Energy, MJ/kg 46
180
Embodied Water, L/kg 320
940

Common Calculations

Stiffness to Weight: Axial, points 7.3
2.4
Stiffness to Weight: Bending, points 20
13
Strength to Weight: Axial, points 17
1.0
Strength to Weight: Bending, points 17
2.5
Thermal Diffusivity, mm2/s 37
33
Thermal Shock Resistance, points 16
2.4

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.0010
Antimony (Sb), % 0 to 0.050
0.2 to 0.5
Arsenic (As), % 0 to 0.050
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 63 to 69.2
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.020
Lead (Pb), % 0 to 0.25
35.5 to 37.3
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
62.5 to 63.5
Zinc (Zn), % 30 to 36
0 to 0.0010