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AISI 304N Stainless Steel vs. Solder Alloy 123

AISI 304N stainless steel belongs to the iron alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
8.0
Elastic (Young's, Tensile) Modulus, GPa 200
18
Elongation at Break, % 9.1 to 45
45
Poisson's Ratio 0.28
0.44
Shear Modulus, GPa 77
6.2
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
28

Thermal Properties

Latent Heat of Fusion, J/g 290
26
Melting Completion (Liquidus), °C 1420
310
Melting Onset (Solidus), °C 1380
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 16
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
75
Density, g/cm3 7.8
11
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 43
74
Embodied Water, L/kg 150
500

Common Calculations

Stiffness to Weight: Axial, points 14
0.9
Stiffness to Weight: Bending, points 25
7.8
Strength to Weight: Axial, points 22 to 42
0.69
Strength to Weight: Bending, points 21 to 32
1.8
Thermal Diffusivity, mm2/s 4.2
16
Thermal Shock Resistance, points 14 to 26
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 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 66.4 to 73.9
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.010
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0010