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Grade CX2MW Nickel vs. SAE-AISI 1144 Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while SAE-AISI 1144 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 260
280 to 430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
72
Tensile Strength: Ultimate (UTS), MPa 620
750 to 840
Tensile Strength: Yield (Proof), MPa 350
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1550
1450
Melting Onset (Solidus), °C 1490
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 65
1.9
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 12
1.4
Embodied Energy, MJ/kg 170
19
Embodied Water, L/kg 290
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
480 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
27 to 30
Strength to Weight: Bending, points 18
23 to 25
Thermal Diffusivity, mm2/s 2.7
14
Thermal Shock Resistance, points 17
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.020
0.4 to 0.48
Chromium (Cr), % 20 to 22.5
0
Iron (Fe), % 2.0 to 6.0
97.5 to 98
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0.24 to 0.33
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0