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S40920 Stainless Steel vs. Solder Alloy 161

S40920 stainless steel belongs to the iron alloys classification, while solder alloy 161 belongs to the otherwise unclassified metals. 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 S40920 stainless steel and the bottom bar is solder alloy 161.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
38
Elongation at Break, % 22
44
Poisson's Ratio 0.28
0.39
Shear Modulus, GPa 75
14
Tensile Strength: Ultimate (UTS), MPa 430
53

Thermal Properties

Latent Heat of Fusion, J/g 270
48
Melting Completion (Liquidus), °C 1450
190
Melting Onset (Solidus), °C 1400
180
Specific Heat Capacity, J/kg-K 480
190
Thermal Conductivity, W/m-K 26
49
Thermal Expansion, µm/m-K 10
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
11

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.0
11
Embodied Energy, MJ/kg 28
180
Embodied Water, L/kg 94
910

Common Calculations

Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 15
1.7
Strength to Weight: Bending, points 16
3.5
Thermal Diffusivity, mm2/s 6.9
29
Thermal Shock Resistance, points 15
4.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
1.2 to 1.6
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 85.1 to 89.4
0 to 0.020
Lead (Pb), % 0
37.3 to 39.3
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
59.5 to 60.5
Titanium (Ti), % 0.15 to 0.5
0
Zinc (Zn), % 0
0 to 0.0010