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Grade CW6MC Nickel vs. EN 1.4864 Stainless Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while EN 1.4864 stainless steel belongs to the iron alloys. They have 55% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
33
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 540
650
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
30
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 14
5.3
Embodied Energy, MJ/kg 200
75
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 240
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 2.8
3.3
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 20 to 23
15 to 17
Iron (Fe), % 0 to 5.0
41.7 to 51
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 55.4 to 68.9
33 to 37
Niobium (Nb), % 3.2 to 4.5
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.015