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CR019A Copper vs. Solder Alloy 181

CR019A copper belongs to the copper alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 22 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 CR019A copper and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
18
Elongation at Break, % 15
41
Poisson's Ratio 0.34
0.44
Shear Modulus, GPa 43
6.1
Tensile Strength: Ultimate (UTS), MPa 220
27

Thermal Properties

Latent Heat of Fusion, J/g 210
26
Melting Completion (Liquidus), °C 1090
310
Melting Onset (Solidus), °C 1040
300
Specific Heat Capacity, J/kg-K 390
130
Thermal Conductivity, W/m-K 390
24
Thermal Expansion, µm/m-K 17
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.4

Otherwise Unclassified Properties

Density, g/cm3 9.0
11
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 42
100

Common Calculations

Stiffness to Weight: Axial, points 7.2
0.86
Stiffness to Weight: Bending, points 18
7.7
Strength to Weight: Axial, points 6.8
0.66
Strength to Weight: Bending, points 9.0
1.8
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 7.8
3.8

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
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 99.874 to 99.92
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
96.2 to 98
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 0.080 to 0.12
2.0 to 3.0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.0010