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Solder Alloy 116 vs. S81921 Stainless Steel

Solder alloy 116 belongs to the otherwise unclassified metals classification, while S81921 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 116 and the bottom bar is S81921 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 12
260
Elastic (Young's, Tensile) Modulus, GPa 26
200
Elongation at Break, % 18
29
Poisson's Ratio 0.42
0.28
Shear Modulus, GPa 9.3
79
Tensile Strength: Ultimate (UTS), MPa 34
710

Thermal Properties

Latent Heat of Fusion, J/g 34
290
Melting Completion (Liquidus), °C 260
1430
Melting Onset (Solidus), °C 180
1390
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 90
14
Density, g/cm3 10
7.7
Embodied Carbon, kg CO2/kg material 7.2
2.9
Embodied Energy, MJ/kg 120
41
Embodied Water, L/kg 690
150

Common Calculations

Stiffness to Weight: Axial, points 1.5
14
Stiffness to Weight: Bending, points 9.8
25
Strength to Weight: Axial, points 0.94
25
Strength to Weight: Bending, points 2.3
23
Thermal Diffusivity, mm2/s 26
4.0
Thermal Shock Resistance, points 3.4
20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
66.7 to 75.9
Lead (Pb), % 68.4 to 70.5
0
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 29.5 to 30.5
0
Zinc (Zn), % 0 to 0.0010
0