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Nickel 242 vs. ACI-ASTM CE8MN Steel

Nickel 242 belongs to the nickel alloys classification, while ACI-ASTM CE8MN steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 242 and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
29
Fatigue Strength, MPa 300
370
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 820
750
Tensile Strength: Yield (Proof), MPa 350
500

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1290
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 75
21
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 14
4.2
Embodied Energy, MJ/kg 180
58
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
190
Resilience: Unit (Modulus of Resilience), kJ/m3 280
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.1
4.2
Thermal Shock Resistance, points 25
21

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 7.0 to 9.0
22.5 to 25.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
56 to 66.4
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 24 to 26
3.0 to 4.5
Nickel (Ni), % 59.3 to 69
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040