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Grade CW6MC Nickel vs. AISI 422 Stainless Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while AISI 422 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
15 to 17
Fatigue Strength, MPa 210
410 to 500
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 540
910 to 1080
Tensile Strength: Yield (Proof), MPa 310
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
650
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1470
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
24
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
3.1
Embodied Energy, MJ/kg 200
44
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1140 to 1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
32 to 38
Strength to Weight: Bending, points 17
26 to 30
Thermal Diffusivity, mm2/s 2.8
6.4
Thermal Shock Resistance, points 15
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.060
0.2 to 0.25
Chromium (Cr), % 20 to 23
11 to 12.5
Iron (Fe), % 0 to 5.0
81.9 to 85.8
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 8.0 to 10
0.9 to 1.3
Nickel (Ni), % 55.4 to 68.9
0.5 to 1.0
Niobium (Nb), % 3.2 to 4.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3