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Solder Alloy 104 vs. C12600 Copper

Solder alloy 104 belongs to the otherwise unclassified metals classification, while C12600 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 104 and the bottom bar is C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
120
Elongation at Break, % 46
56
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 13
56
Tensile Strength: Ultimate (UTS), MPa 51
270

Thermal Properties

Latent Heat of Fusion, J/g 45
210
Melting Completion (Liquidus), °C 190
1080
Melting Onset (Solidus), °C 180
1030
Specific Heat Capacity, J/kg-K 180
390
Thermal Conductivity, W/m-K 50
130
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
29
Electrical Conductivity: Equal Weight (Specific), % IACS 11
29

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 10
2.6
Embodied Energy, MJ/kg 180
41
Embodied Water, L/kg 900
310

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.2
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 1.6
8.2
Strength to Weight: Bending, points 3.4
10
Thermal Diffusivity, mm2/s 30
39
Thermal Shock Resistance, points 4.0
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
99.5 to 99.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 39 to 40.5
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.2 to 0.4
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0