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Solder Alloy 503 vs. S32760 Stainless Steel

Solder alloy 503 belongs to the otherwise unclassified metals classification, while S32760 stainless steel belongs to the iron alloys. There are 22 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 solder alloy 503 and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
200
Elongation at Break, % 30
28
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 20
80
Tensile Strength: Ultimate (UTS), MPa 57
850

Thermal Properties

Latent Heat of Fusion, J/g 69
300
Melting Completion (Liquidus), °C 380
1460
Melting Onset (Solidus), °C 220
1410
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 61
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.5

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 16
4.1
Embodied Energy, MJ/kg 270
57

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
30
Strength to Weight: Bending, points 4.4
25
Thermal Diffusivity, mm2/s 35
4.0
Thermal Shock Resistance, points 3.5
23

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 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 5.5 to 6.5
0.5 to 1.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
57.6 to 65.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.010
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 90.8 to 92.7
0
Tungsten (W), % 0
0.5 to 1.0
Zinc (Zn), % 0 to 0.0010
0