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Solder Alloy 811 vs. C97600 Dairy Metal

Solder alloy 811 belongs to the otherwise unclassified metals classification, while C97600 dairy metal 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 811 and the bottom bar is C97600 dairy metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
120
Elongation at Break, % 38
11
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 19
46
Tensile Strength: Ultimate (UTS), MPa 53
310

Thermal Properties

Latent Heat of Fusion, J/g 63
210
Melting Completion (Liquidus), °C 200
1140
Melting Onset (Solidus), °C 190
1110
Specific Heat Capacity, J/kg-K 230
380
Thermal Conductivity, W/m-K 59
22
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
5.1

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 14
4.6
Embodied Energy, MJ/kg 240
69
Embodied Water, L/kg 1200
330

Common Calculations

Stiffness to Weight: Axial, points 4.0
7.7
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.0
9.8
Strength to Weight: Bending, points 4.3
12
Thermal Diffusivity, mm2/s 35
6.5
Thermal Shock Resistance, points 3.3
11

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
0 to 0.25
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
63 to 67
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 1.5
Lead (Pb), % 0 to 0.070
3.0 to 5.0
Nickel (Ni), % 0 to 0.010
19 to 21.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 87.8 to 89.7
3.5 to 4.0
Zinc (Zn), % 7.5 to 8.5
3.0 to 9.0
Residuals, % 0
0 to 0.3