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Solder Alloy 117 vs. S43940 Stainless Steel

Solder alloy 117 belongs to the otherwise unclassified metals classification, while S43940 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 117 and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 11
160
Elastic (Young's, Tensile) Modulus, GPa 23
200
Elongation at Break, % 20
21
Poisson's Ratio 0.42
0.28
Shear Modulus, GPa 8.1
77
Tensile Strength: Ultimate (UTS), MPa 33
490

Thermal Properties

Latent Heat of Fusion, J/g 31
280
Melting Completion (Liquidus), °C 280
1440
Melting Onset (Solidus), °C 180
1400
Specific Heat Capacity, J/kg-K 150
480
Thermal Conductivity, W/m-K 37
25
Thermal Expansion, µm/m-K 28
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 85
12
Density, g/cm3 11
7.7
Embodied Carbon, kg CO2/kg material 6.1
2.6
Embodied Energy, MJ/kg 100
38
Embodied Water, L/kg 610
120

Common Calculations

Stiffness to Weight: Axial, points 1.2
14
Stiffness to Weight: Bending, points 9.0
25
Strength to Weight: Axial, points 0.88
18
Strength to Weight: Bending, points 2.2
18
Thermal Diffusivity, mm2/s 24
6.8
Thermal Shock Resistance, points 3.7
18

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
17.5 to 18.5
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
78.2 to 82.1
Lead (Pb), % 78.4 to 80.5
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0
0.3 to 0.6
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 0.015
Tin (Sn), % 19.5 to 20.5
0
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 0 to 0.0010
0