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Grade CW6MC Nickel vs. EN 1.4659 Stainless Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while EN 1.4659 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 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
49
Fatigue Strength, MPa 210
460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 310
480

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1430
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
37
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 14
6.5
Embodied Energy, MJ/kg 200
89
Embodied Water, L/kg 290
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
370
Resilience: Unit (Modulus of Resilience), kJ/m3 240
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
31
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 2.8
3.2
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20 to 23
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 0 to 5.0
35.7 to 45.7
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 8.0 to 10
5.5 to 6.5
Nickel (Ni), % 55.4 to 68.9
21 to 23
Niobium (Nb), % 3.2 to 4.5
0
Nitrogen (N), % 0
0.35 to 0.5
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
Tungsten (W), % 0
1.5 to 2.5