Special Metals INCOLOY® 25-6HN Super-Austenitic Stainless Steel

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Special Metals INCOLOY® 25-6HN Super-Austenitic Stainless Steel
Categories:	Metal; Ferrous Metal; Austenitic; Stainless Steel
Material Notes:	INCOLOY alloy 25-6HN is a super-austenitic stainless steel containing 6% molybdenum and with properties enhanced by its content of nitrogen. Its high content of nickel results in thermal stability and resistance to stress corrosion cracking. Designated as UNS N08367, as is alloy AL6XN®1. The same ASTM, ASME and NACE specifications cover the alloys. Alloy 25-6HN offers significantly improved strength and corrosion resistance in most environments over conventional austenitic stainless steels such as AISI 304 or 316L. Typical applications include welded tubes for heat exchangers for chemical processing and marine applications and for desalination systems, flue gas desulfurization equipment for coal-fired power plants, and reaction vessels for pharmaceutical production. Information Provided by Special Metals Corporation
Key Words:	UNS N08367; ASTM B 688, A240, B 691, B 564, B472, B 676, B 675, B 804, B 462, B 366 ASME SB688, SA240, SB691, SB564, SB472, SB676, SB675, SB804, SB462, SB366
Vendors:

Available Properties

Density
Hardness, Rockwell B, Annealed Plate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate, Annealed Plate
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield, Annealed Plate
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break, Annealed Plate
Elongation at Break
Magnetic Permeability, 200 Oersted
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
Melting Point
Solidus
Liquidus
Carbon, C
Chromium, Cr
Copper, Cu
Iron, Fe, Balance
Manganese, Mn
Molybdenum, Mo
Nickel, Ni
Nitrogen, N
Phosphorus, P
Silicon, Si
Sulfur, S

Property Data

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Manufacturer Notes:
Special Metals (includes the former Inco Alloys International Inc.)

Category Notes
none

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