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SAE-AISI 1144 Steel vs. Grade CX2MW Nickel

SAE-AISI 1144 steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel 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 SAE-AISI 1144 steel and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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