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EN 1.4443 Stainless Steel vs. S82122 Stainless Steel

Both EN 1.4443 stainless steel and S82122 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4443 stainless steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 170
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 490
680
Tensile Strength: Yield (Proof), MPa 210
450

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1000
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.6
Embodied Energy, MJ/kg 54
37
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 28
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
210
Resilience: Unit (Modulus of Resilience), kJ/m3 110
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 18 to 20
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 60.4 to 69.5
68.9 to 75.4
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.6
Nickel (Ni), % 10 to 13
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 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020