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EN 1.4123 Stainless Steel vs. S82031 Stainless Steel

Both EN 1.4123 stainless steel and S82031 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 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 EN 1.4123 stainless steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 720 to 810
780

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 840
980
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 62
39
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 24
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
28
Strength to Weight: Bending, points 23 to 25
24
Thermal Diffusivity, mm2/s 6.3
3.9
Thermal Shock Resistance, points 26 to 29
22

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.050
Chromium (Cr), % 14 to 16.5
19 to 22
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 76.7 to 84.6
68 to 78.3
Manganese (Mn), % 0 to 1.0
0 to 2.5
Molybdenum (Mo), % 1.0 to 2.5
0.6 to 1.4
Nickel (Ni), % 0 to 0.5
2.0 to 4.0
Nitrogen (N), % 0.1 to 0.3
0.14 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Vanadium (V), % 0 to 1.5
0