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CR021A Copper vs. Solder Alloy 141

CR021A copper belongs to the copper alloys classification, while solder alloy 141 belongs to the otherwise unclassified metals. 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 CR021A copper and the bottom bar is solder alloy 141.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
37
Elongation at Break, % 15
39
Poisson's Ratio 0.34
0.39
Shear Modulus, GPa 43
13
Tensile Strength: Ultimate (UTS), MPa 230
54

Thermal Properties

Latent Heat of Fusion, J/g 210
46
Melting Completion (Liquidus), °C 1090
190
Melting Onset (Solidus), °C 1040
180
Specific Heat Capacity, J/kg-K 390
180
Thermal Conductivity, W/m-K 380
48
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
10
Electrical Conductivity: Equal Weight (Specific), % IACS 99
10

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 41
180
Embodied Water, L/kg 320
970

Common Calculations

Stiffness to Weight: Axial, points 7.2
2.3
Stiffness to Weight: Bending, points 18
13
Strength to Weight: Axial, points 7.1
1.7
Strength to Weight: Bending, points 9.3
3.6
Thermal Diffusivity, mm2/s 110
29
Thermal Shock Resistance, points 8.1
4.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
2.0 to 3.0
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 99.95 to 99.998
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 to 0.0050
35.9 to 38.5
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0.0020 to 0.0070
0
Silver (Ag), % 0 to 0.015
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0
0 to 0.0010