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SAE-AISI 1140 Steel vs. Grade CX2M Nickel

SAE-AISI 1140 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 1140 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, % 14 to 18
45
Fatigue Strength, MPa 230 to 370
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
84
Tensile Strength: Ultimate (UTS), MPa 600 to 700
550
Tensile Strength: Yield (Proof), MPa 340 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
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 1.8
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
12
Embodied Energy, MJ/kg 18
160
Embodied Water, L/kg 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 93
210
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 870
220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 25
18
Strength to Weight: Bending, points 20 to 22
17
Thermal Diffusivity, mm2/s 14
2.7
Thermal Shock Resistance, points 18 to 21
15

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.020
Chromium (Cr), % 0
22 to 24
Iron (Fe), % 98.4 to 98.9
0 to 1.5
Manganese (Mn), % 0.7 to 1.0
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), % 0.080 to 0.13
0 to 0.020