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S31727 Stainless Steel vs. Solder Alloy 801

S31727 stainless steel belongs to the iron alloys classification, while solder alloy 801 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is solder alloy 801.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
22
Elastic (Young's, Tensile) Modulus, GPa 200
53
Elongation at Break, % 40
33
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 78
20
Tensile Strength: Ultimate (UTS), MPa 630
55

Thermal Properties

Latent Heat of Fusion, J/g 290
64
Melting Completion (Liquidus), °C 1440
200
Melting Onset (Solidus), °C 1390
200
Specific Heat Capacity, J/kg-K 470
240
Thermal Expansion, µm/m-K 16
22

Otherwise Unclassified Properties

Density, g/cm3 8.0
7.2
Embodied Carbon, kg CO2/kg material 4.7
14
Embodied Energy, MJ/kg 64
240
Embodied Water, L/kg 180
1140

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 22
2.1
Strength to Weight: Bending, points 20
4.4
Thermal Shock Resistance, points 14
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 0.030
0
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 53.7 to 61.3
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0 to 0.010
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
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