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Grade CW6M Nickel vs. SAE-AISI M2 Steel

Grade CW6M nickel belongs to the nickel alloys classification, while SAE-AISI M2 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade CW6M nickel and the bottom bar is SAE-AISI M2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 560
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1530
1610
Melting Onset (Solidus), °C 1470
1570
Specific Heat Capacity, J/kg-K 430
440
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
24
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 13
8.8
Embodied Energy, MJ/kg 170
130
Embodied Water, L/kg 300
98

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
25 to 71
Strength to Weight: Bending, points 17
22 to 44
Thermal Shock Resistance, points 16
27 to 76

Alloy Composition

Carbon (C), % 0 to 0.070
0.78 to 1.1
Chromium (Cr), % 17 to 20
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
78.5 to 83.4
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 17 to 20
4.5 to 5.5
Nickel (Ni), % 54.9 to 66
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2