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SAE-AISI M3 Class 1 Steel vs. Grade CX2MW Nickel

SAE-AISI M3 class 1 steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 21 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 M3 class 1 steel and the bottom bar is grade CX2MW 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 770 to 2150
620

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1610
1550
Melting Onset (Solidus), °C 1570
1490
Specific Heat Capacity, J/kg-K 440
430
Thermal Conductivity, W/m-K 26
10
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
65
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 10
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 100
290

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 72
19
Strength to Weight: Bending, points 22 to 44
18
Thermal Diffusivity, mm2/s 7.2
2.7
Thermal Shock Resistance, points 24 to 67
17

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
20 to 22.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 76.9 to 82.9
2.0 to 6.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.8 to 6.5
12.5 to 14.5
Nickel (Ni), % 0 to 0.3
51.3 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.45
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 5.0 to 6.8
2.5 to 3.5
Vanadium (V), % 2.3 to 2.8
0 to 0.35