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Grade CW6MC Nickel vs. Grade M35-1 Nickel

Both grade CW6MC nickel and grade M35-1 nickel are nickel alloys. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 28
28
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 79
62
Tensile Strength: Ultimate (UTS), MPa 540
500
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 980
900
Melting Completion (Liquidus), °C 1480
1280
Melting Onset (Solidus), °C 1430
1240
Specific Heat Capacity, J/kg-K 440
430
Thermal Conductivity, W/m-K 11
22
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 80
55
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 14
8.2
Embodied Energy, MJ/kg 200
120
Embodied Water, L/kg 290
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
120
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 2.8
5.7
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.35
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 0 to 5.0
0 to 3.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 55.4 to 68.9
59.8 to 74
Niobium (Nb), % 3.2 to 4.5
0 to 0.5
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.3
Sulfur (S), % 0 to 0.030
0 to 0.030