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AISI 422 Stainless Steel vs. Nickel 80A

AISI 422 stainless steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
22
Fatigue Strength, MPa 410 to 500
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 560 to 660
660
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
1040
Tensile Strength: Yield (Proof), MPa 670 to 870
710

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 650
980
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1470
1310
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.1
9.8
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
1300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 38
35
Strength to Weight: Bending, points 26 to 30
27
Thermal Diffusivity, mm2/s 6.4
2.9
Thermal Shock Resistance, points 33 to 39
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 0.2 to 0.25
0 to 0.1
Chromium (Cr), % 11 to 12.5
18 to 21
Iron (Fe), % 81.9 to 85.8
0 to 3.0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
69.4 to 79.7
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0