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S82012 Stainless Steel vs. Solder Alloy 123

S82012 stainless steel belongs to the iron alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
18
Elongation at Break, % 40
45
Poisson's Ratio 0.28
0.44
Shear Modulus, GPa 78
6.2
Tensile Strength: Ultimate (UTS), MPa 800
28

Thermal Properties

Latent Heat of Fusion, J/g 280
26
Melting Completion (Liquidus), °C 1430
310
Melting Onset (Solidus), °C 1380
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 13
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 7.7
11
Embodied Carbon, kg CO2/kg material 2.4
4.5
Embodied Energy, MJ/kg 35
74
Embodied Water, L/kg 140
500

Common Calculations

Stiffness to Weight: Axial, points 14
0.9
Stiffness to Weight: Bending, points 25
7.8
Strength to Weight: Axial, points 29
0.69
Strength to Weight: Bending, points 25
1.8
Thermal Diffusivity, mm2/s 3.9
16
Thermal Shock Resistance, points 23
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 19 to 20.5
0
Copper (Cu), % 0 to 1.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 71.3 to 77.9
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 0.8 to 1.5
0 to 0.010
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.8
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.0050
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0010