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Grade CW6MC Nickel vs. EN 1.4539 Stainless Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while EN 1.4539 stainless steel belongs to the iron alloys. They have 53% of their average alloy composition in common. There are 29 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 grade CW6MC nickel and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
38
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 540
630
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 12
16

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
31
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 14
5.7
Embodied Energy, MJ/kg 200
78
Embodied Water, L/kg 290
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 2.8
3.2
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20 to 23
19 to 21
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 0 to 5.0
43.1 to 51.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
4.0 to 5.0
Nickel (Ni), % 55.4 to 68.9
24 to 26
Niobium (Nb), % 3.2 to 4.5
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010