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CR012A Copper vs. Solder Alloy 401

CR012A copper belongs to the copper alloys classification, while solder alloy 401 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is solder alloy 401.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
50
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
19
Tensile Strength: Ultimate (UTS), MPa 220
29

Thermal Properties

Latent Heat of Fusion, J/g 210
60
Melting Completion (Liquidus), °C 1090
230
Melting Onset (Solidus), °C 1040
230
Specific Heat Capacity, J/kg-K 390
220
Thermal Conductivity, W/m-K 390
66
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
14
Electrical Conductivity: Equal Weight (Specific), % IACS 100
17

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.3
Embodied Carbon, kg CO2/kg material 2.7
15
Embodied Energy, MJ/kg 42
250
Embodied Water, L/kg 360
1200

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.8
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 6.8
1.1
Strength to Weight: Bending, points 9.0
2.9
Thermal Diffusivity, mm2/s 110
40
Thermal Shock Resistance, points 7.8
1.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 99.85 to 99.94
0.5 to 0.9
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 0
0 to 0.010
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
0 to 0.1
Tin (Sn), % 0
98.5 to 99.5
Zinc (Zn), % 0
0 to 0.0010