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CR021A Copper vs. Solder Alloy 104

CR021A copper belongs to the copper alloys classification, while solder alloy 104 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 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
37
Elongation at Break, % 15
46
Poisson's Ratio 0.34
0.39
Shear Modulus, GPa 43
13
Tensile Strength: Ultimate (UTS), MPa 230
51

Thermal Properties

Latent Heat of Fusion, J/g 210
45
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
50
Thermal Expansion, µm/m-K 17
25

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 41
180
Embodied Water, L/kg 320
900

Common Calculations

Stiffness to Weight: Axial, points 7.2
2.3
Stiffness to Weight: Bending, points 18
12
Strength to Weight: Axial, points 7.1
1.6
Strength to Weight: Bending, points 9.3
3.4
Thermal Diffusivity, mm2/s 110
30
Thermal Shock Resistance, points 8.1
4.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
0 to 0.050
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
39 to 40.5
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