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Solder Alloy 123 vs. S30601 Stainless Steel

Solder alloy 123 belongs to the otherwise unclassified metals classification, while S30601 stainless steel belongs to the iron alloys. There are 21 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 123 and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 8.0
190
Elastic (Young's, Tensile) Modulus, GPa 18
190
Elongation at Break, % 45
37
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 6.2
75
Tensile Strength: Ultimate (UTS), MPa 28
660

Thermal Properties

Latent Heat of Fusion, J/g 26
370
Melting Completion (Liquidus), °C 310
1360
Melting Onset (Solidus), °C 300
1310
Specific Heat Capacity, J/kg-K 130
500
Thermal Expansion, µm/m-K 29
15

Otherwise Unclassified Properties

Base Metal Price, % relative 75
20
Density, g/cm3 11
7.6
Embodied Carbon, kg CO2/kg material 4.5
3.9
Embodied Energy, MJ/kg 74
55
Embodied Water, L/kg 500
150

Common Calculations

Stiffness to Weight: Axial, points 0.9
14
Stiffness to Weight: Bending, points 7.8
25
Strength to Weight: Axial, points 0.69
24
Strength to Weight: Bending, points 1.8
22
Thermal Shock Resistance, points 3.8
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0 to 0.080
0 to 0.35
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
56.9 to 60.5
Lead (Pb), % 93.5 to 95.5
0
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
5.0 to 5.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.013
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 0 to 0.0010
0