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C12900 Copper vs. Solder Alloy 135

C12900 copper belongs to the copper alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 24 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 C12900 copper and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
27
Elongation at Break, % 2.8 to 50
20
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 43
9.5
Tensile Strength: Ultimate (UTS), MPa 220 to 420
35

Thermal Properties

Latent Heat of Fusion, J/g 210
36
Melting Completion (Liquidus), °C 1080
250
Melting Onset (Solidus), °C 1030
190
Specific Heat Capacity, J/kg-K 390
160
Thermal Conductivity, W/m-K 380
42
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
9.5
Electrical Conductivity: Equal Weight (Specific), % IACS 98
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 32
90
Density, g/cm3 9.0
10
Embodied Carbon, kg CO2/kg material 2.6
7.3
Embodied Energy, MJ/kg 41
120
Embodied Water, L/kg 330
720

Common Calculations

Stiffness to Weight: Axial, points 7.2
1.5
Stiffness to Weight: Bending, points 18
9.9
Strength to Weight: Axial, points 6.8 to 13
1.0
Strength to Weight: Bending, points 9.1 to 14
2.4
Thermal Diffusivity, mm2/s 110
27
Thermal Shock Resistance, points 7.8 to 15
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0 to 0.0030
0.5 to 1.8
Arsenic (As), % 0 to 0.012
0 to 0.030
Bismuth (Bi), % 0 to 0.0030
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 99.88 to 100
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 0.0040
67.1 to 70
Nickel (Ni), % 0 to 0.050
0 to 0.010
Silver (Ag), % 0 to 0.054
0 to 0.1
Tellurium (Te), % 0 to 0.025
0
Tin (Sn), % 0
29.5 to 30.5
Zinc (Zn), % 0
0 to 0.0010