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Solder Alloy 201 vs. C82500 Copper

Solder alloy 201 belongs to the otherwise unclassified metals classification, while C82500 copper belongs to the copper alloys. There are 23 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 201 and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
120
Elongation at Break, % 38
1.0 to 20
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 19
45
Tensile Strength: Ultimate (UTS), MPa 41
550 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 64
240
Melting Completion (Liquidus), °C 240
980
Melting Onset (Solidus), °C 240
860
Specific Heat Capacity, J/kg-K 220
390
Thermal Conductivity, W/m-K 28
130
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
20
Electrical Conductivity: Equal Weight (Specific), % IACS 15
21

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 15
10
Embodied Energy, MJ/kg 250
160
Embodied Water, L/kg 1320
310

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.7
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 1.6
18 to 35
Strength to Weight: Bending, points 3.6
17 to 27
Thermal Diffusivity, mm2/s 17
38
Thermal Shock Resistance, points 2.7
19 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.15
Antimony (Sb), % 4.5 to 5.5
0
Arsenic (As), % 0 to 0.030
0
Beryllium (Be), % 0
1.9 to 2.3
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0 to 0.050
95.3 to 97.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 0 to 0.070
0 to 0.020
Nickel (Ni), % 0 to 0.010
0 to 0.2
Silicon (Si), % 0
0.2 to 0.35
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 94 to 95.5
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.0010
0 to 0.1
Residuals, % 0
0 to 0.5