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Solder Alloy 181 vs. C47000 Brass

Solder alloy 181 belongs to the otherwise unclassified metals classification, while C47000 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
100
Elongation at Break, % 41
36
Poisson's Ratio 0.44
0.3
Shear Modulus, GPa 6.1
40
Tensile Strength: Ultimate (UTS), MPa 27
380

Thermal Properties

Latent Heat of Fusion, J/g 26
170
Melting Completion (Liquidus), °C 310
900
Melting Onset (Solidus), °C 300
890
Specific Heat Capacity, J/kg-K 130
390
Thermal Conductivity, W/m-K 24
120
Thermal Expansion, µm/m-K 29
21

Otherwise Unclassified Properties

Density, g/cm3 11
8.0
Embodied Carbon, kg CO2/kg material 6.2
2.7
Embodied Energy, MJ/kg 100
47

Common Calculations

Stiffness to Weight: Axial, points 0.86
7.2
Stiffness to Weight: Bending, points 7.7
20
Strength to Weight: Axial, points 0.66
13
Strength to Weight: Bending, points 1.8
15
Thermal Diffusivity, mm2/s 16
38
Thermal Shock Resistance, points 3.8
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
57 to 61
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 96.2 to 98
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0 to 0.25
0.25 to 1.0
Zinc (Zn), % 0 to 0.0010
37.5 to 42.8
Residuals, % 0
0 to 0.4