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Grade CX2MW Nickel vs. ACI-ASTM CT15C Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while ACI-ASTM CT15C steel belongs to the iron alloys. They have 57% of their average alloy composition in common. 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 ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 260
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 620
500
Tensile Strength: Yield (Proof), MPa 350
190

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 980
1080
Melting Completion (Liquidus), °C 1550
1410
Melting Onset (Solidus), °C 1490
1360
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 65
36
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 12
6.1
Embodied Energy, MJ/kg 170
88
Embodied Water, L/kg 290
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
90
Resilience: Unit (Modulus of Resilience), kJ/m3 290
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 2.7
3.2
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 20 to 22.5
19 to 21
Iron (Fe), % 2.0 to 6.0
40.3 to 49.2
Manganese (Mn), % 0 to 1.0
0.15 to 1.5
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.8
0.15 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0