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Grade CX2M Nickel vs. ACI-ASTM CB6 Steel

Grade CX2M nickel belongs to the nickel alloys classification, while ACI-ASTM CB6 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 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 grade CX2M nickel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
18
Fatigue Strength, MPa 260
410
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 550
880
Tensile Strength: Yield (Proof), MPa 310
660

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
870
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
17
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
12
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
2.5
Embodied Energy, MJ/kg 160
36
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 2.7
4.6
Thermal Shock Resistance, points 15
31

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.060
Chromium (Cr), % 22 to 24
15.5 to 17.5
Iron (Fe), % 0 to 1.5
74.4 to 81
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 16.5
0 to 0.5
Nickel (Ni), % 56.4 to 63
3.5 to 5.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030