ALLEGHENY LUDLUM 204 and 204L are austenitic chromium-nickel-manganese stainless steels comparable in properties to Type 304 and 304L stainless steels. This datasheet provides information on composition, physical properties, 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, joining, and surface treatment. Filing Code: SS-97. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum AL276 is widely used in the most severe environments found in chemical plants and in power plant desulfurization systems. The high molybdenum level with tungsten gives excellent pitting and crevice corrosion resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, joining, and surface treatment. Filing Code: Ni-497. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum AL600 alloy is a nickel-chromium alloy designed for use from cryogenic up to 2000 F(1093 C) temperatures. Its nickel content provides resistance to reducing environments and stress-corrosion cracking. Its chromium affords resistance to mildly oxidizing conditions. It has excellent resistance to oxidation to about 2000 F(1093 C). This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-370. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 425 Mod is hardenable by heat treatment. This straight-chromium grade is used where strength, hardness and/or wear resistance need to be combined with corrosion resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: SS-806. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum AL 825 alloy is a nickel-iron-chromium-molybdenum-copper alloy with superior corrosion resistance including stress-corrosion cracking resistance. It is highly ductile from cryogenic to well over 1000 F(538 C) temperatures. It is readily weldable. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-366. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 334 is an austenitic stainless steel with alloying elements of aluminum and titanium. These additions, along with its higher chromium and nickel levels, give the alloy excellent strength and oxidation resistance, especially when compared to Type 304 stainless steel. Applications include sheathing for electric heating elements. 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, and joining. Filing Code: SS-833. Producer or source: Allegheny Ludlum Corporation.

ALLEGHENY LUDLUM TYPE 439 is a stainless steel with a high resistance to chloride stress-corrosion cracking. It also has a high level of general resistance in steam and fresh-water environments. Its high level of chromium provides resistance to sulfidation and oxidation. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-470. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 420 is a hardenable, straight-chromium stainless steel with wear and corrosion resistance. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: SS-801. Producer or source: Allegheny Ludlum Corporation.

ALLEGHENY LUDLUM AL 904L Alloy is an austenitic stainless steel designed for middle to high level corrosion resistance. It is produced to low carbon levels for use in the welded condition. 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: SS-511. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum AL 400 is a ductile nickel-copper alloy with resistance to a variety of corrosive conditions. The alloy is not hardenable by heat treatment. It can be appreciably strengthened by cold work. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: Ni-374. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 310 is an austenitic chromium-nickel steel with high heat resisting properties. It is recommended for furnace equipment, heat treating boxes, burners, heat recovery systems, jet engine components, and heat exchangers. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness, creep, and fatigue. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: SS-719. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum AL 304DA is a composite of three plies consisting of carbon steel surrounded on both sides with type 304 stainless steel. This combination supplies corrosion resistance with good ductility for applications like cookware. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, joining, and surface treatment. Filing Code: SS-780. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum type 309 is a chromium-nickel, austenitic, heat and corrosion resisting steel recommended for high-temperature applications in corrosive environments. It is intended primarily for high-temperature applications at 816 C (1500 F) or higher, where resistance to oxidation and/or corrosion is required. 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 high temperature performance and corrosion resistance as well as forming and heat treating. Filing Code: SS-728. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum 316 and 316L are corrosion resistant, molybdenum bearing austenitic stainless steels. Type 316L is the low carbon grade of type 316 offering decreased carbide precipitation. The MINIMISER form is an improved machinability version with a change in the sulfur composition, still maintaining the dual certification capability of the base type 316/316L grades. Like standard 316 and 316L stainless steels, MINIMISER 316/316L is more resistant to acids and pitting/crevice corrosion than the molybdenum-free 18-8 type stainless steels. This datasheet provides information on composition, physical properties, microstructure, and elasticity. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-776. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum alloy AL 610 is an austenitic stainless steel alloy with a special composition including high silicon to specifically resist high concentrations of nitric acid. 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: SS-819. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum Type 201 stainless steel has many properties similar to Type 301 and provides excellent strength and formability. Together, Type 201 and Type 201L (see Alloy Digest SS-825, July 2001) account for the greatest tonnage of Cr-Ni-Mn 200 series stainless steels. A typical application is washing machine baskets. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-997. Producer or source: Allegheny Ludlum. See also Alloy Digest SS-616, October 1995.

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.

ALTEMP 625 is an austenitic nickel-base superalloy possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions. The alloy is frequently used in aerospace applications as well as in the chemical process industry. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on high temperature performance as well as forming, heat treating, and joining. Filing Code: Ni-443. Producer or source: Allegheny Ludlum Corporation.

Allegheny Ludlum’s AL 625HP is an austenitic nickel-base alloy possessing exceptional fatigue resistance and developed for applications in bellow expansion joints. 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: Ni-594. Producer or source: Allegheny Ludlum Corporation.

AL 800H and AL 800AT are nickel-iron-chromium alloys designed to resist oxidation and carburization at elevated temperatures. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-717. Producer or source: Allegheny Ludlum Corporation.