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SAE-AISI M6 Steel vs. Grade CW12MW Nickel

SAE-AISI M6 steel belongs to the iron alloys classification, while grade CW12MW nickel belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 SAE-AISI M6 steel and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
85
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
560

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1560
1610
Melting Onset (Solidus), °C 1510
1560
Specific Heat Capacity, J/kg-K 440
410
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
70
Density, g/cm3 8.4
9.1
Embodied Carbon, kg CO2/kg material 8.0
13
Embodied Energy, MJ/kg 120
180
Embodied Water, L/kg 160
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 28 to 73
17
Strength to Weight: Bending, points 24 to 45
17
Thermal Shock Resistance, points 26 to 68
16

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.12
Chromium (Cr), % 3.8 to 4.5
15.5 to 17.5
Cobalt (Co), % 11 to 13
0
Iron (Fe), % 68.8 to 74.6
4.5 to 7.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
16 to 18
Nickel (Ni), % 0
49.2 to 60.1
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 4.8
3.8 to 5.3
Vanadium (V), % 1.3 to 1.7
0.2 to 0.4