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EN 1.4422 Stainless Steel vs. Nickel 22

EN 1.4422 stainless steel belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 1.4422 stainless steel and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 17
49
Fatigue Strength, MPa 380
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
84
Shear Strength, MPa 520
560
Tensile Strength: Ultimate (UTS), MPa 850
790
Tensile Strength: Yield (Proof), MPa 630
360

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 760
990
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 16
10
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 37
170
Embodied Water, L/kg 110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
320
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 4.3
2.7
Thermal Shock Resistance, points 31
24

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.015
Chromium (Cr), % 11 to 13
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
2.0 to 6.0
Manganese (Mn), % 0 to 2.0
0 to 0.015
Molybdenum (Mo), % 1.3 to 1.8
12.5 to 14.5
Nickel (Ni), % 4.0 to 5.0
50.8 to 63
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.0030
0 to 0.020
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35