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S31730 Stainless Steel vs. Solder Alloy 122

S31730 stainless steel belongs to the iron alloys classification, while solder alloy 122 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (13, 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 122.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
10
Elastic (Young's, Tensile) Modulus, GPa 200
20
Elongation at Break, % 40
30
Poisson's Ratio 0.28
0.43
Shear Modulus, GPa 77
6.9
Tensile Strength: Ultimate (UTS), MPa 540
30

Thermal Properties

Latent Heat of Fusion, J/g 290
27
Melting Completion (Liquidus), °C 1430
300
Melting Onset (Solidus), °C 1390
270
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 16
28

Otherwise Unclassified Properties

Base Metal Price, % relative 24
75
Density, g/cm3 8.0
11
Embodied Carbon, kg CO2/kg material 4.6
5.0
Embodied Energy, MJ/kg 63
84
Embodied Water, L/kg 180
540

Common Calculations

Stiffness to Weight: Axial, points 14
1.0
Stiffness to Weight: Bending, points 24
8.2
Strength to Weight: Axial, points 19
0.77
Strength to Weight: Bending, points 18
2.0
Thermal Shock Resistance, points 12
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
0 to 0.080
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
88.4 to 90.5
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
9.5 to 10.5
Zinc (Zn), % 0
0 to 0.0010