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Solder Alloy 703 vs. S45503 Stainless Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while S45503 stainless steel belongs to the iron alloys. There are 19 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 703 and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 35
4.6 to 6.8
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 57
1610 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 61
270
Melting Completion (Liquidus), °C 220
1440
Melting Onset (Solidus), °C 220
1400
Specific Heat Capacity, J/kg-K 220
470
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.9
Embodied Carbon, kg CO2/kg material 18
3.4
Embodied Energy, MJ/kg 300
48

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
57 to 65
Strength to Weight: Bending, points 4.4
39 to 43
Thermal Shock Resistance, points 3.7
56 to 64

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 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.050
1.5 to 2.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
72.4 to 78.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 95.8 to 96.7
0
Titanium (Ti), % 0
1.0 to 1.4
Zinc (Zn), % 0 to 0.0010
0