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EN 1.4422 Stainless Steel vs. EN 1.4468 Stainless Steel

Both EN 1.4422 stainless steel and EN 1.4468 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4422 stainless steel and the bottom bar is EN 1.4468 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
25
Fatigue Strength, MPa 380
380
Impact Strength: V-Notched Charpy, J 110
56
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 850
730
Tensile Strength: Yield (Proof), MPa 630
550

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 17
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
26
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 31
20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 11 to 13
24.5 to 26.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
59.7 to 67.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 1.8
2.5 to 3.5
Nickel (Ni), % 4.0 to 5.0
5.5 to 7.0
Nitrogen (N), % 0 to 0.020
0.12 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0030
0 to 0.025