AL-22 is a wrought 22Cr-13.5Mo-3W-4Fe high-nickel alloy with outstanding and versatile corrosion resistance. The alloy is available in plate and is used where excellent corrosion, pitting, or crevice corrosion resistance is needed. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as joining. Filing Code: Ni-559. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 201LN (AL 201LN) is a modification of Type 201 developed especially for cryogenic service to -195 deg C (-320 deg F) to handle industrial gases. Its strength and corrosion resistance also allow other applications. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness. It also includes information on low temperature performance and corrosion resistance as well as forming. Filing Code: SS-1000. Producer or source: Allegheny Ludlum.

This austenitic stainless steel was designed with high silicon content to resist concentrated nitric acid. Typical applications are in explosives manufacturing. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as joining. Filing Code: SS-811. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 201 covered here (see also Alloy Digest SS-616, October 1995) is a modified composition (0.03% max C) for low temperature and heavy section service) This datasheet provides information on composition and tensile properties as well as fracture toughness. It also includes information on low temperature performance. Filing Code: SS-624. Producer or source: Allegheny Ludlum Corporation.

AL 29-4C is a highly corrosion resistant alloy with a relatively high strength. This combination allows the use of lighter gage tubes, and has led to its use in the brine heat exchangers of geothermal power plants. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and joining. Filing Code: SS-554. Producer or source: Allegheny Ludlum Corporation.

The AL-6XN PLUS alloy is an enhanced version of the AL-6XN alloy (see Alloy Digest SS-494, May 1988). Both satisfy the composition requirements of UNS N08367, but AL-6XN PLUS contains a greater concentration of the alloying elements (Cr, Mo, and N) which promote corrosion resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as heat treating and joining. Filing Code: SS-923. Producer or source: Allegheny Ludlum Corporation. Originally published April 2005, revised June 2005.

ALLEGHENY LUDLUM AL 29-4-2 alloy is a high-purity ferritic stainless steel designated to provide superior resistance to corrosion by aggressive environments. It also offers fabrication characteristics that (along with E-BRITE Alloy) are unique among highly alloyed ferritic materials. The combination of properties available in AL 29-4-2 alloy makes it an attractive, cost-effective alternative to titanium, high-nickel and nickel-base alloys for many harsh environments. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-480. Producer or source: Allegheny Ludlum Corporation.

ALFA-IV alloy is a 20% Cr, 5% Al stainless steel enhanced in oxidation resistance for high-temperature use by the addition of the rare earth metals cerium and lanthanum. The alloy was designed for substrates in industrial and automotive catalytic converters. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on corrosion resistance as well as heat treating and joining. Filing Code: SS-677. Producer or source: Allegheny Ludlum Corporation.

AL 4565 alloy has a high level of austenitizers, which provides the microstructure with a high resistance to sigma formation during welding. The high nitrogen also gives the alloy superior strength among the austenitics. Applications include flue gas desulfurization and handling seawater. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as heat treating and joining. Filing Code: SS-906. Producer or source: Allegheny Ludlum Corporation.

AL 332Mo alloy is an austenitic stainless steel with relatively high chromium and nickel levels for strength, and corrosion and oxidation resistance. The alloy contains a moderate addition of molybdenum for resistance to aqueous corrosion and of manganese for resistance to oxidation in air containing water vapor. A small amount of niobium (columbium) is added for resistance to sensitization and resultant susceptibility to intergranular corrosion. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and bend strength. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-989. Producer or source: Allegheny Ludlum.

ALLEGHENY A-286 is an austenitic iron-nickel-chromium alloy designed for service up to 1300 F where high strength and corrosion resistance are required, and for service at higher temperatures where the applications are for lower stresses. It is an age-hardenable alloy. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-4. Producer or source: Allegheny Ludlum Corporation. Originally published December 1952, revised September 1966.

A-L 18NiCoMo(250) is a high nickel martensitic steel which is strengthened by precipitation hardening. It has excellent combination of strength and toughness particularly in the presence of notches and cracks. It is recommended for applications such as solid fuel rocket cases and aircraft landing gear. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-137. Producer or source: Allegheny Ludlum Corporation.

SILCROME-RA is a chromium type stainless steel having good corrosion resistance and mechanical properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-79. Producer or source: Allegheny Ludlum Corporation.

ZIRCALOY-3 is a zirconium-base alloy having good corrosion resistance and improved strength at temperatures up to about 750 F. It is recommended as a structural material for heat transfer in nuclear reactors. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Zr-5. Producer or source: Allegheny Ludlum Corporation.

DuraFoil-Clad is a laminate composite form of DuraFoil (see Alloy Digest SS-892, November 2003), a heat-resistant ferritic stainless steel with excellent oxidation resistance for high-temperature applications. The material is a metallurgically bonded Al/Fe-Cr stainless steel/Al metallic composite. The material should be converted to a uniform solid-solution alloy (the single alloy form DuraFoil) by diffusion alloying before service in high-temperature applications. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as deformation. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-897. Producer or source: Engineered Materials Solutions Inc.