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SAE-AISI M2 Steel vs. Grade CX2M Nickel

SAE-AISI M2 steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 21 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 SAE-AISI M2 steel and the bottom bar is grade CX2M 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
84
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
550

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1610
1500
Melting Onset (Solidus), °C 1570
1450
Specific Heat Capacity, J/kg-K 440
430
Thermal Conductivity, W/m-K 22
10
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
65
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 8.8
12
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 98
310

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25 to 71
18
Strength to Weight: Bending, points 22 to 44
17
Thermal Diffusivity, mm2/s 5.9
2.7
Thermal Shock Resistance, points 27 to 76
15

Alloy Composition

Carbon (C), % 0.78 to 1.1
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
22 to 24
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 78.5 to 83.4
0 to 1.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
15 to 16.5
Nickel (Ni), % 0 to 0.3
56.4 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0