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Grade CX2M Nickel vs. EN 1.4550 Stainless Steel

Grade CX2M nickel belongs to the nickel alloys classification, while EN 1.4550 stainless steel belongs to the iron 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 (7, in this case) are not shown.

For each property being compared, the top bar is grade CX2M nickel and the bottom bar is EN 1.4550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
42
Fatigue Strength, MPa 260
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 550
620
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
940
Melting Completion (Liquidus), °C 1500
1430
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 65
18
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 2.7
4.0
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 22 to 24
17 to 19
Iron (Fe), % 0 to 1.5
64.9 to 74
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 16.5
0
Nickel (Ni), % 56.4 to 63
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
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 0.015