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Nickel 30 vs. AISI 422 Stainless Steel

Nickel 30 belongs to the nickel alloys classification, while AISI 422 stainless steel belongs to the iron alloys. They have a modest 30% 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 (5, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
15 to 17
Fatigue Strength, MPa 200
410 to 500
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 440
560 to 660
Tensile Strength: Ultimate (UTS), MPa 660
910 to 1080
Tensile Strength: Yield (Proof), MPa 270
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1020
650
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1470
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 60
11
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 9.4
3.1
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
32 to 38
Strength to Weight: Bending, points 20
26 to 30
Thermal Diffusivity, mm2/s 2.7
6.4
Thermal Shock Resistance, points 18
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 28 to 31.5
11 to 12.5
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
81.9 to 85.8
Manganese (Mn), % 0 to 0.030
0.5 to 1.0
Molybdenum (Mo), % 4.0 to 6.0
0.9 to 1.3
Nickel (Ni), % 30.2 to 52.2
0.5 to 1.0
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 1.5 to 4.0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3