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Solder Alloy 401 vs. CR022A Copper

Solder alloy 401 belongs to the otherwise unclassified metals classification, while CR022A copper belongs to the copper alloys. 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 solder alloy 401 and the bottom bar is CR022A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
120
Elongation at Break, % 21
15
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 29
230

Thermal Properties

Latent Heat of Fusion, J/g 60
210
Melting Completion (Liquidus), °C 230
1090
Melting Onset (Solidus), °C 230
1040
Specific Heat Capacity, J/kg-K 220
390
Thermal Conductivity, W/m-K 66
380
Thermal Expansion, µm/m-K 22
17

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 7.3
9.0
Embodied Carbon, kg CO2/kg material 15
2.6
Embodied Energy, MJ/kg 250
41
Embodied Water, L/kg 1200
310

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.2
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 1.1
7.1
Strength to Weight: Bending, points 2.9
9.3
Thermal Diffusivity, mm2/s 40
110
Thermal Shock Resistance, points 1.9
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0 to 0.00040
Arsenic (As), % 0 to 0.030
0 to 0.00050
Bismuth (Bi), % 0 to 0.1
0 to 0.00020
Cadmium (Cd), % 0 to 0.0020
0 to 0.00010
Copper (Cu), % 0.5 to 0.9
99.99 to 99.999
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.0010
Lead (Pb), % 0 to 0.070
0 to 0.00050
Manganese (Mn), % 0
0 to 0.00050
Nickel (Ni), % 0 to 0.010
0 to 0.0010
Phosphorus (P), % 0
0.0010 to 0.0060
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0 to 0.1
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 98.5 to 99.5
0 to 0.00020
Zinc (Zn), % 0 to 0.0010
0 to 0.00010