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Solder Alloy 811 vs. S21600 Stainless Steel

Solder alloy 811 belongs to the otherwise unclassified metals classification, while S21600 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is solder alloy 811 and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
200
Elongation at Break, % 38
46
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
79
Tensile Strength: Ultimate (UTS), MPa 53
710

Thermal Properties

Latent Heat of Fusion, J/g 63
290
Melting Completion (Liquidus), °C 200
1420
Melting Onset (Solidus), °C 190
1380
Specific Heat Capacity, J/kg-K 230
480
Thermal Expansion, µm/m-K 22
17

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.7
Embodied Carbon, kg CO2/kg material 14
3.6
Embodied Energy, MJ/kg 240
50
Embodied Water, L/kg 1200
160

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.0
25
Strength to Weight: Bending, points 4.3
23
Thermal Shock Resistance, points 3.3
15

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 0.080
Chromium (Cr), % 0
17.5 to 22
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
57.6 to 67.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.010
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
0