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Solder Alloy 811 vs. N08031 Stainless Steel

Solder alloy 811 belongs to the otherwise unclassified metals classification, while N08031 stainless steel belongs to the iron alloys. There are 21 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 N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
210
Elongation at Break, % 38
45
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 53
730

Thermal Properties

Latent Heat of Fusion, J/g 63
310
Melting Completion (Liquidus), °C 200
1440
Melting Onset (Solidus), °C 190
1390
Specific Heat Capacity, J/kg-K 230
460
Thermal Conductivity, W/m-K 59
12
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.1
Embodied Carbon, kg CO2/kg material 14
7.1
Embodied Energy, MJ/kg 240
96
Embodied Water, L/kg 1200
240

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.0
25
Strength to Weight: Bending, points 4.3
22
Thermal Diffusivity, mm2/s 35
3.1
Thermal Shock Resistance, points 3.3
14

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 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0 to 0.050
1.0 to 1.4
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
29 to 36.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.010
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
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