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CR021A Copper vs. Solder Alloy 134

CR021A copper belongs to the copper alloys classification, while solder alloy 134 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR021A copper and the bottom bar is solder alloy 134.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
31
Elongation at Break, % 15
31
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
11
Tensile Strength: Ultimate (UTS), MPa 230
38

Thermal Properties

Latent Heat of Fusion, J/g 210
41
Melting Completion (Liquidus), °C 1090
230
Melting Onset (Solidus), °C 1040
190
Specific Heat Capacity, J/kg-K 390
170
Thermal Conductivity, W/m-K 380
45
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
10
Electrical Conductivity: Equal Weight (Specific), % IACS 99
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
100
Density, g/cm3 9.0
9.6
Embodied Carbon, kg CO2/kg material 2.6
8.5
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 320
820

Common Calculations

Stiffness to Weight: Axial, points 7.2
1.8
Stiffness to Weight: Bending, points 18
11
Strength to Weight: Axial, points 7.1
1.1
Strength to Weight: Bending, points 9.3
2.6
Thermal Diffusivity, mm2/s 110
28
Thermal Shock Resistance, points 8.1
3.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
2.0 to 2.4
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.00050
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
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
56.5 to 58.5
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
39.5 to 40.5
Zinc (Zn), % 0
0 to 0.0010