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AISI 304N Stainless Steel vs. Grade CX2M Nickel

AISI 304N stainless steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. They have a modest 30% 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 (6, in this case) are not shown.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 9.1 to 45
45
Fatigue Strength, MPa 220 to 440
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
84
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
550
Tensile Strength: Yield (Proof), MPa 270 to 850
310

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 960
990
Melting Completion (Liquidus), °C 1420
1500
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 16
10
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.0
12
Embodied Energy, MJ/kg 43
160
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22 to 42
18
Strength to Weight: Bending, points 21 to 32
17
Thermal Diffusivity, mm2/s 4.2
2.7
Thermal Shock Resistance, points 14 to 26
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 18 to 20
22 to 24
Iron (Fe), % 66.4 to 73.9
0 to 1.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 8.0 to 10.5
56.4 to 63
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020