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Solder Alloy 811 vs. CC381H Copper-nickel

Solder alloy 811 belongs to the otherwise unclassified metals classification, while CC381H copper-nickel 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 811 and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
140
Elongation at Break, % 38
20
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 19
52
Tensile Strength: Ultimate (UTS), MPa 53
380

Thermal Properties

Latent Heat of Fusion, J/g 63
240
Melting Completion (Liquidus), °C 200
1180
Melting Onset (Solidus), °C 190
1120
Specific Heat Capacity, J/kg-K 230
410
Thermal Conductivity, W/m-K 59
30
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 17
6.9

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.9
Embodied Carbon, kg CO2/kg material 14
5.0
Embodied Energy, MJ/kg 240
73
Embodied Water, L/kg 1200
280

Common Calculations

Stiffness to Weight: Axial, points 4.0
8.6
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.0
12
Strength to Weight: Bending, points 4.3
13
Thermal Diffusivity, mm2/s 35
8.4
Thermal Shock Resistance, points 3.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.050
64.5 to 69.9
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.5 to 1.5
Lead (Pb), % 0 to 0.070
0 to 0.030
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
0 to 0.5