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Grade CW6MC Nickel vs. Grade TDSiCr Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while grade TDSiCr steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 540
1950

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
410
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.2
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
1.5
Embodied Energy, MJ/kg 200
20
Embodied Water, L/kg 290
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
70
Strength to Weight: Bending, points 17
45
Thermal Diffusivity, mm2/s 2.8
12
Thermal Shock Resistance, points 15
58

Alloy Composition

Carbon (C), % 0 to 0.060
0.5 to 0.6
Chromium (Cr), % 20 to 23
0.5 to 0.8
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 5.0
96.6 to 97.8
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 55.4 to 68.9
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
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.020