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S31727 Stainless Steel vs. Solder Alloy 502

S31727 stainless steel belongs to the iron alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (17, 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 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
53
Elongation at Break, % 40
34
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 78
19
Tensile Strength: Ultimate (UTS), MPa 630
58

Thermal Properties

Latent Heat of Fusion, J/g 290
66
Melting Completion (Liquidus), °C 1440
350
Melting Onset (Solidus), °C 1390
220
Specific Heat Capacity, J/kg-K 470
230
Thermal Expansion, µm/m-K 16
22

Otherwise Unclassified Properties

Density, g/cm3 8.0
7.4
Embodied Carbon, kg CO2/kg material 4.7
15
Embodied Energy, MJ/kg 64
260

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 22
2.2
Strength to Weight: Bending, points 20
4.5
Thermal Shock Resistance, points 14
3.6

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 0.080
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
3.5 to 4.5
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
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
93.8 to 95.7
Zinc (Zn), % 0
0 to 0.0010