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S82122 Stainless Steel vs. EN 1.4490 Stainless Steel

Both S82122 stainless steel and EN 1.4490 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S82122 stainless steel and the bottom bar is EN 1.4490 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 360
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 680
560
Tensile Strength: Yield (Proof), MPa 450
260

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 990
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 37
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 25
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
160
Resilience: Unit (Modulus of Resilience), kJ/m3 510
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20.5 to 21.5
18 to 20
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 68.9 to 75.4
61.7 to 70.9
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
2.0 to 2.5
Nickel (Ni), % 1.5 to 2.5
9.0 to 12
Nitrogen (N), % 0.15 to 0.2
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.030