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Haynes 230 Alloy

Common Trade Names:  Haynes 230, Alloy 230.


Haynes 230 UNS N06230, Best balance of strength, thermal stability, oxidation resistance, thermal cycling resistance and fabricability of any major high-temperature alloy. Used in gas turbine combustors and other key stationary components. Also used for heat treating and industrial heating applications, and in the chemical/petrochemical process industry and in fossil energy plants. 


Haynes 230 alloy is a nickelchromium-tungsten-molybdenum alloy that combines  excellent high-temperature strength, outstanding resistance to oxidizing environments up to 2100°F (1149°C) for prolonged exposures, premier resistance to nitriding environments, and excellent long-term thermal stability. It is readily fabricated and formed, and is castable. Other attractive features include lower thermal expansion characteristics than most high-temperature alloys, and a pronounced resistance to grain coarsening with prolonged exposure to high temperatures.


Available Product Forms: 
Material is produced in the form of plate, sheet, strip, billet, bar, wire.
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Specifications

The UNS number for the alloy is N06230

Rod, Bar, Wire and Forging Stock:  bar and forging are covered by AMS 5891.

Plate, Sheet and Strip:  Sheet, strip and plate are also covered by AMS 5878.

Trademark Notice: Some names are trade names and/or trademarks of specific manufacturers. American Special Metals, Corp. is not affiliated with any manufacturer(s). Orders will be filled to meet specifications from any available source(s). Names are listed solely for reference to help identify products consistent with listed specifications.

Hastelloy is a Registered Trademarks of Haynes International and Its subsidiaries.

Chemical Composition

Nickel............................................................................Balance*
Chromium....................................................................20.0-22.5
Molybdenum ...............................................................12.5-14.5
Iron ..................................................................................2.0-6.0
Tungsten ..........................................................................2.5-3.5
Cobalt ...........................................................................2.5 max.
Vanadium....................................................................0.35 max.
Carbon......................................................................0.015 max.
Manganese .................................................................0.50 max.
Sulfur ..........................................................................0.02 max.
Silicon .........................................................................0.08 max.
Phosphorus ................................................................0.02 max.

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