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Hastelloy X UNS N06002 2.4665 Nickel alloy

Hastelloy X UNS N06002 2.4665 Nickel alloy

Hastelloy X UNS N06002 2.4665 Nickel alloy

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Hastelloy X UNS N06002 2.4665 Nickel alloy

Chemical Composition



Ni W Fe Mn C Si S
 		Cr Mo P Co
Min
0.2 17.0
0.05

20.5 8.0
0.5
Max Bal
 1.0 22.0 1.0 0.15 1.0 0.03 23.0 10.0 0.04 2.5

Physical properties



■Characteristic



Tensile strength
Rm N/mm²
 Yield Strength
Rp0.2N/mm²
 Density
 Elongation
A5 ％
 Melting point
(℃)
660
 240
 8.94g/cm³
 35
 1260-1355


Executive Standard


Bar Medium Sheet
 Seamless Tube Welded pipe Forgings
ASTM B572 ASTM B435 ASTM B622
ASTM B626
 ASTM B619
 ASTM B575

Features


Hastelloy X is a nickel-chromium-molybdenum alloy with cobalt and tungsten added. Hastelloy X alloy has excellent oxidation resistance at temperatures up to 1200 ° C and can also be used in neutral and reducing atmospheres. At the same time, Hastelloy X alloy is resistant to carbonization and nitriding.
1, The alloy has good cold and hot workability, and the forging heating temperature is 1170 °C.
2, The average grain size of the alloy is closely related to the degree of deformation of the forging and the final forging temperature.
3, The alloy has satisfactory welding performance and can be welded by argon arc welding, seam welding, spot welding, etc.
4, The alloy can be added directly to a furnace that has been heated to a high operating temperature. Immediately after the time required   for heat preservation, it is processed to the specified specifications, and if the metal temperature drops below the minimum processing temperature, it needs to be heated again.
5, The surface oxide of the alloy and the slag around the weld are more adherent than stainless steel. It is recommended to use a fine sand or fine sand wheel for sanding.

Metallographic Structure


The structure of the Hastelloy X alloy in the solid solution state is an austenite matrix with a small amount of TIN and MC type carbides.


Applications


Hastelloy X is highly resistant to corrosion in a variety of atmospheres and has excellent high temperature strength. Hastelloy X is widely used in a variety of high temperature environments.


1, Industrial and aviation steam turbines                                                       
2, Industrial furnace components, Support roller, grid ribbon and radiant tube                                                           
3, Spiral tube in petrochemical furnace                                          
4, High temperature gas cooled nuclear reactor