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S31730 Stainless Steel vs. Solder Alloy 201

S31730 stainless steel belongs to the iron alloys classification, while solder alloy 201 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is solder alloy 201.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
13
Elastic (Young's, Tensile) Modulus, GPa 200
50
Elongation at Break, % 40
38
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
19
Tensile Strength: Ultimate (UTS), MPa 540
41

Thermal Properties

Latent Heat of Fusion, J/g 290
64
Melting Completion (Liquidus), °C 1430
240
Melting Onset (Solidus), °C 1390
240
Specific Heat Capacity, J/kg-K 470
220
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Density, g/cm3 8.0
7.3
Embodied Carbon, kg CO2/kg material 4.6
15
Embodied Energy, MJ/kg 63
250
Embodied Water, L/kg 180
1320

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 19
1.6
Strength to Weight: Bending, points 18
3.6
Thermal Shock Resistance, points 12
2.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
4.5 to 5.5
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 to 19
0
Copper (Cu), % 4.0 to 5.0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 52.4 to 61
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0 to 0.010
Nitrogen (N), % 0 to 0.045
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 0.010
0
Tin (Sn), % 0
94 to 95.5
Zinc (Zn), % 0
0 to 0.0010