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Grade CX2M Nickel vs. ACI-ASTM CA15 Steel

Grade CX2M nickel belongs to the nickel alloys classification, while ACI-ASTM CA15 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
21
Fatigue Strength, MPa 260
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 550
700
Tensile Strength: Yield (Proof), MPa 310
570

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
750
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1450
1500
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
25
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
7.5
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
2.0
Embodied Energy, MJ/kg 160
28
Embodied Water, L/kg 310
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
140
Resilience: Unit (Modulus of Resilience), kJ/m3 220
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 2.7
6.7
Thermal Shock Resistance, points 15
26

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 22 to 24
11.5 to 14
Iron (Fe), % 0 to 1.5
81.8 to 88.5
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
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040