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Grade CX2M Nickel vs. SAE-AISI A7 Steel

Grade CX2M nickel belongs to the nickel alloys classification, while SAE-AISI A7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade CX2M nickel and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
72
Tensile Strength: Ultimate (UTS), MPa 550
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1500
1470
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
37
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 65
10
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 12
13
Embodied Energy, MJ/kg 160
200
Embodied Water, L/kg 310
100

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
29 to 77
Strength to Weight: Bending, points 17
25 to 48
Thermal Diffusivity, mm2/s 2.7
10
Thermal Shock Resistance, points 15
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.020
2.0 to 2.9
Chromium (Cr), % 22 to 24
5.0 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 1.5
81.4 to 87.7
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 15 to 16.5
0.9 to 1.4
Nickel (Ni), % 56.4 to 63
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2