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Solder Alloy 161 vs. CR015A Copper

Solder alloy 161 belongs to the otherwise unclassified metals classification, while CR015A copper belongs to the copper alloys. 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 solder alloy 161 and the bottom bar is CR015A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
120
Elongation at Break, % 44
15
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 14
43
Tensile Strength: Ultimate (UTS), MPa 53
220

Thermal Properties

Latent Heat of Fusion, J/g 48
210
Melting Completion (Liquidus), °C 190
1090
Melting Onset (Solidus), °C 180
1040
Specific Heat Capacity, J/kg-K 190
390
Thermal Conductivity, W/m-K 49
390
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
98
Electrical Conductivity: Equal Weight (Specific), % IACS 11
99

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 11
2.7
Embodied Energy, MJ/kg 180
42
Embodied Water, L/kg 910
360

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.2
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.7
6.8
Strength to Weight: Bending, points 3.5
9.0
Thermal Diffusivity, mm2/s 29
110
Thermal Shock Resistance, points 4.1
7.8

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 to 0.00050
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 1.2 to 1.6
99.883 to 99.939
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 37.3 to 39.3
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.0010 to 0.0070
Silver (Ag), % 0 to 0.1
0.060 to 0.080
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0