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Grade CX2M Nickel vs. AISI 384 Stainless Steel

Grade CX2M nickel belongs to the nickel alloys classification, while AISI 384 stainless steel belongs to the iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade CX2M nickel and the bottom bar is AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 550
480

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
910
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
16
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 65
20
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
3.7
Embodied Energy, MJ/kg 160
52
Embodied Water, L/kg 310
150

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 2.7
4.3
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.040
Chromium (Cr), % 22 to 24
15 to 17
Iron (Fe), % 0 to 1.5
60.9 to 68
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 16.5
0
Nickel (Ni), % 56.4 to 63
17 to 19
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030