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Solder Alloy 171 vs. C27000 Brass

Solder alloy 171 belongs to the otherwise unclassified metals classification, while C27000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
110
Poisson's Ratio 0.39
0.31
Shear Modulus, GPa 14
40
Tensile Strength: Ultimate (UTS), MPa 48
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 47
180
Melting Completion (Liquidus), °C 180
930
Melting Onset (Solidus), °C 180
900
Specific Heat Capacity, J/kg-K 190
390
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
27
Electrical Conductivity: Equal Weight (Specific), % IACS 12
30

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 13
2.7
Embodied Energy, MJ/kg 210
45

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.2
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 1.5
13 to 22
Strength to Weight: Bending, points 3.3
14 to 21
Thermal Diffusivity, mm2/s 30
37
Thermal Shock Resistance, points 3.7
12 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
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
63 to 68.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.1
Lead (Pb), % 34.7 to 36.7
0 to 0.070
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 61.5 to 62.5
0
Zinc (Zn), % 0 to 0.0010
31 to 37
Residuals, % 0
0 to 0.3