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CR005A Copper vs. Solder Alloy 137

CR005A copper belongs to the copper alloys classification, while solder alloy 137 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR005A copper and the bottom bar is solder alloy 137.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
24
Elongation at Break, % 15
19
Poisson's Ratio 0.34
0.42
Shear Modulus, GPa 43
8.3
Tensile Strength: Ultimate (UTS), MPa 230
34

Thermal Properties

Latent Heat of Fusion, J/g 210
33
Melting Completion (Liquidus), °C 1090
270
Melting Onset (Solidus), °C 1040
190
Specific Heat Capacity, J/kg-K 390
150
Thermal Conductivity, W/m-K 380
38
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
85
Density, g/cm3 9.0
10
Embodied Carbon, kg CO2/kg material 2.6
6.3
Embodied Energy, MJ/kg 41
100
Embodied Water, L/kg 320
660

Common Calculations

Stiffness to Weight: Axial, points 7.2
1.3
Stiffness to Weight: Bending, points 18
9.2
Strength to Weight: Axial, points 7.1
0.9
Strength to Weight: Bending, points 9.3
2.2
Thermal Diffusivity, mm2/s 110
25
Thermal Shock Resistance, points 8.1
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 3.0
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 99.9 to 100
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
75.9 to 80
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0 to 0.015
0 to 0.1
Tin (Sn), % 0
19.5 to 20.5
Zinc (Zn), % 0
0 to 0.0010