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Solder Alloy 501 vs. S31727 Stainless Steel

Solder alloy 501 belongs to the otherwise unclassified metals classification, while S31727 stainless steel belongs to the iron alloys. 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 solder alloy 501 and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
190
Elastic (Young's, Tensile) Modulus, GPa 51
200
Elongation at Break, % 22
40
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
78
Tensile Strength: Ultimate (UTS), MPa 29
630

Thermal Properties

Latent Heat of Fusion, J/g 60
290
Melting Completion (Liquidus), °C 230
1440
Melting Onset (Solidus), °C 220
1390
Specific Heat Capacity, J/kg-K 220
470
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.0
Embodied Carbon, kg CO2/kg material 15
4.7
Embodied Energy, MJ/kg 260
64
Embodied Water, L/kg 1390
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.1
22
Strength to Weight: Bending, points 2.9
20
Thermal Shock Resistance, points 1.9
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.060
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 0.5 to 0.9
2.8 to 4.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
53.7 to 61.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0 to 0.010
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.2 to 0.4
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 98.3 to 99.3
0
Zinc (Zn), % 0 to 0.0010
0