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SAE-AISI 1144 Steel vs. Grade CX2M Nickel

SAE-AISI 1144 steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 17
45
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
550
Tensile Strength: Yield (Proof), MPa 420 to 690
310

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1450
1500
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 51
10
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
12
Embodied Energy, MJ/kg 19
160
Embodied Water, L/kg 47
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 30
18
Strength to Weight: Bending, points 23 to 25
17
Thermal Diffusivity, mm2/s 14
2.7
Thermal Shock Resistance, points 22 to 24
15

Alloy Composition

Carbon (C), % 0.4 to 0.48
0 to 0.020
Chromium (Cr), % 0
22 to 24
Iron (Fe), % 97.5 to 98
0 to 1.5
Manganese (Mn), % 1.4 to 1.7
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 0
56.4 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0.24 to 0.33
0 to 0.020