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Grade CX2M Nickel vs. S40920 Stainless Steel

Grade CX2M nickel belongs to the nickel alloys classification, while S40920 stainless steel belongs to the iron alloys. There are 27 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 S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
22
Fatigue Strength, MPa 260
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
75
Tensile Strength: Ultimate (UTS), MPa 550
430
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 990
710
Melting Completion (Liquidus), °C 1500
1450
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
26
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 65
6.5
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
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
78
Resilience: Unit (Modulus of Resilience), kJ/m3 220
97
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 2.7
6.9
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 22 to 24
10.5 to 11.7
Iron (Fe), % 0 to 1.5
85.1 to 89.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 16.5
0
Nickel (Ni), % 56.4 to 63
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
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 0.020
Titanium (Ti), % 0
0.15 to 0.5