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Solder Alloy 811 vs. S39277 Stainless Steel

Solder alloy 811 belongs to the otherwise unclassified metals classification, while S39277 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 811 and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
200
Elongation at Break, % 38
28
Poisson's Ratio 0.35
0.27
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 53
930

Thermal Properties

Latent Heat of Fusion, J/g 63
300
Melting Completion (Liquidus), °C 200
1460
Melting Onset (Solidus), °C 190
1410
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 59
16
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.5

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.9
Embodied Carbon, kg CO2/kg material 14
4.2
Embodied Energy, MJ/kg 240
59
Embodied Water, L/kg 1200
180

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.0
33
Strength to Weight: Bending, points 4.3
27
Thermal Diffusivity, mm2/s 35
4.2
Thermal Shock Resistance, points 3.3
26

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
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 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.050
1.2 to 2.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
56.8 to 64.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.010
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.0020
Tin (Sn), % 87.8 to 89.7
0
Tungsten (W), % 0
0.8 to 1.2
Zinc (Zn), % 7.5 to 8.5
0