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Solder Alloy 503 vs. S42300 Stainless Steel

Solder alloy 503 belongs to the otherwise unclassified metals classification, while S42300 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 S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
200
Elongation at Break, % 30
9.1
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 20
77
Tensile Strength: Ultimate (UTS), MPa 57
1100

Thermal Properties

Latent Heat of Fusion, J/g 69
270
Melting Completion (Liquidus), °C 380
1470
Melting Onset (Solidus), °C 220
1420
Specific Heat Capacity, J/kg-K 230
470
Thermal Conductivity, W/m-K 61
25
Thermal Expansion, µm/m-K 22
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
5.2

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 16
3.2
Embodied Energy, MJ/kg 270
44

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
39
Strength to Weight: Bending, points 4.4
30
Thermal Diffusivity, mm2/s 35
6.8
Thermal Shock Resistance, points 3.5
40

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
0.27 to 0.32
Chromium (Cr), % 0
11 to 12
Copper (Cu), % 5.5 to 6.5
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
82 to 85.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0 to 0.010
0 to 0.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 90.8 to 92.7
0
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 0 to 0.0010
0