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EN 1.4122 Stainless Steel vs. S82122 Stainless Steel

Both EN 1.4122 stainless steel and S82122 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4122 stainless steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
34
Fatigue Strength, MPa 260 to 360
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 480 to 520
460
Tensile Strength: Ultimate (UTS), MPa 790 to 850
680
Tensile Strength: Yield (Proof), MPa 450 to 630
450

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
430
Maximum Temperature: Mechanical, °C 870
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 33
37
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 20
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
25
Strength to Weight: Bending, points 25 to 26
22
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 28 to 30
19

Alloy Composition

Carbon (C), % 0.33 to 0.45
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 77.2 to 83.4
68.9 to 75.4
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0.8 to 1.3
0 to 0.6
Nickel (Ni), % 0 to 1.0
1.5 to 2.5
Nitrogen (N), % 0
0.15 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.020