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S20431 Stainless Steel vs. Solder Alloy 801

S20431 stainless steel belongs to the iron alloys classification, while solder alloy 801 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S20431 stainless steel and the bottom bar is solder alloy 801.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
22
Elastic (Young's, Tensile) Modulus, GPa 200
53
Elongation at Break, % 46
33
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 76
20
Tensile Strength: Ultimate (UTS), MPa 710
55

Thermal Properties

Latent Heat of Fusion, J/g 280
64
Melting Completion (Liquidus), °C 1400
200
Melting Onset (Solidus), °C 1360
200
Specific Heat Capacity, J/kg-K 480
240
Thermal Conductivity, W/m-K 15
61
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
7.2
Embodied Carbon, kg CO2/kg material 2.5
14
Embodied Energy, MJ/kg 36
240
Embodied Water, L/kg 140
1140

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 25
2.1
Strength to Weight: Bending, points 23
4.4
Thermal Diffusivity, mm2/s 4.0
36
Thermal Shock Resistance, points 15
3.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
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 0.12
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 66.1 to 74.4
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 5.0 to 7.0
0
Nickel (Ni), % 2.0 to 4.0
0 to 0.010
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
89.9 to 91.5
Zinc (Zn), % 0
8.5 to 9.5