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Solder Alloy 117 vs. CR020A Copper

Solder alloy 117 belongs to the otherwise unclassified metals classification, while CR020A copper belongs to the copper alloys. There are 24 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 solder alloy 117 and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 23
120
Elongation at Break, % 20
15
Poisson's Ratio 0.42
0.34
Shear Modulus, GPa 8.1
43
Tensile Strength: Ultimate (UTS), MPa 33
220

Thermal Properties

Latent Heat of Fusion, J/g 31
210
Melting Completion (Liquidus), °C 280
1090
Melting Onset (Solidus), °C 180
1040
Specific Heat Capacity, J/kg-K 150
390
Thermal Conductivity, W/m-K 37
380
Thermal Expansion, µm/m-K 28
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 85
31
Density, g/cm3 11
9.0
Embodied Carbon, kg CO2/kg material 6.1
2.6
Embodied Energy, MJ/kg 100
41
Embodied Water, L/kg 610
320

Common Calculations

Stiffness to Weight: Axial, points 1.2
7.2
Stiffness to Weight: Bending, points 9.0
18
Strength to Weight: Axial, points 0.88
6.8
Strength to Weight: Bending, points 2.2
9.0
Thermal Diffusivity, mm2/s 24
110
Thermal Shock Resistance, points 3.7
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0 to 0.00050
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
99.95 to 99.999
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 78.4 to 80.5
0 to 0.0050
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.0010 to 0.0060
Silver (Ag), % 0 to 0.1
0 to 0.015
Tin (Sn), % 19.5 to 20.5
0
Zinc (Zn), % 0 to 0.0010
0