ARMCO 304 and 304L are the low carbon grades of the 19-9 chromium-nickel stainless steels recommended for welded construction. 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-55. Producer or source: Armco Inc., Eastern Steel Division.

ARMCO 18-2 Mn is a low-nickel austenitic stainless steel that has a yield strength approximately twice that of Type 304 stainless steel as well as comparable corrosion resistance. 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, and joining. Filing Code: SS-255. Producer or source: Armco Steel Corporation, Advanced Materials Division.

ARMCO NITRONIC 40 Stainless Steel is one of the most versatile austenitic stainless steels with a room-temperature yield strength about twice that of AISI Types 304, 321 and 347. In addition, NITRONIC 40 has remarkably good elevated temperature properties and oxidation resistance. It retains high toughness down to -423 F. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on low temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-327. Producer or source: Armco Advanced Materials Corporation. Originally published as Nitronic 40, May 1976, revised August 1990.

AQUAMET 18 is a low-nickel austenitic stainless steel having seawater corrosion resistance better than AISI Type 304 and approaching that of AISI Type 316 stainless steel. Its good strength and super toughness make it an ideal material for pleasure and work boats. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: SS-332. Producer or source: Armco Steel Corporation, Advanced Materials Division.

NITRONIC 32 is basically a low-nickel chromium-manganese austenitic stainless steel strengthened by an addition of nitrogen. It has annealed strength approximately two times that of AISI Type 304 stainless steel and comparable corrosion resistance. It is used in such applications as fasteners, springs, antennae, shafting and pole-line hardware. 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, and joining. Filing Code: SS-320. Producer or source: Armco Steel Corporation, Advanced Materials Division.

NITRONIC 33 is characterized by (1) High yield strength, (2) Good resistance to stress-corrosion cracking, (3) Low magnetic permeability even after severe cold working, (4) Excellent strength and ductility at cryogenic temperatures, and (5) Good resistance to wear and galling; in fact, in these specific areas NITRONIC 33 is superior to AISI Type 304 stainless steel. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on low and high temperature performance, corrosion and wear resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-324. Producer or source: Armco Steel Corporation, Advanced Materials Division. See also Alloy Digest SS-1142, April 2013.

ARMCO NITRONIC 50 STAINLESS STEEL provides a combination of corrosion resistance and strength not found in any other commercial material available in its price range. It has good mechanical properties at both elevated and sub-zero temperatures. It does not become magnetic when cold worked. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-304. Producer or source: Baltimore Specialty Steels Corporation. Originally published as Nitronic 50, January 1975, revised April 1990.

ARMCO 20-45-5 is a corrosion resistant nickel-base alloy that is extremely resistant to hot chloride stress-corrosion cracking and has superior resistance to intergranular attack in the sensitized condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-169. Producer or source: Armco Steel Corporation, Advanced Materials Division.

ARMCO 18Cr-Cb HIGH PERFORMANCE-10 a stabilized ferritic stainless steel. It has optimum forming consistency and very good oxidation and creep resistance. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as deformation, and fatigue. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SS-484. Producer or source: Armco Inc., Specialty Steels Division.

Armco 21-6-9 is an austenitic stainless steel alloy designed for use in applications where a combination of high strength and corrosion resistance is desired. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. 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-125. Producer or source: Armco Inc., Eastern Steel Division.

ARMCO 18-3Mn is a low-nickel stainless steel having a high yield strength, low magnetic permeability in all conditions and good resistance to stress-corrosion cracking. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. 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-286. Producer or source: Armco Steel Corporation, Advanced Materials Division.

ARMCO 439 HIGH PERFORMANCE-10 is a ferritic stainless steel sheet and strip alloy suited to automotive-exhaust system applications where oxidatin resistance is needed at temperatures beyond the capability of AISI Type 409 to withstand. The alloy also has good resistance to wet chloride environments. 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-486. Producer or source: Armco Inc., Specialty Steels Division.

Types 309 and 309S are austenitic chromium-nickel stainless steels that provide excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures. Type 309S is identical to Type 309 except for a lower carbon content that minimizes carbide precipitation and improves weldability. Typical uses include furnace parts, heating elements, aircraft and jet engine parts, heat exchangers, carburizing-annealing boxes, sulfite liquor handling equipment, kiln liners, boiler baffles, refinery and chemical processing equipment, and auto exhaust parts. 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 forming, heat treating, machining, and joining. Filing Code: SS-853. Producer or source: AK Steel Inc.

NITRONIC 30 is a nitrogen-strengthened stainless steel with a good combination of strength, corrosion and wet abrasive wear resistance and economy. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, and deformation. It also includes information on corrosion and wear resistance as well as forming, heat treating, and joining. Filing Code: SS-533. Producer or source: Armco Advanced Materials Corporation.

Nitronic 19D is an alloy with a mixed ferrite and austenite microstructure. The alloy provides a good compromise of strength, formability, and economy with slightly less corrosion resistance than the reference duplex alloy 2205 (see Alloy Digest SS-462, August 1985). This datasheet provides information on composition, physical properties, hardness, tensile properties, and bend strength as well as deformation and fatigue. It also includes information on high temperature performance as well as forming, machining, and joining. Filing Code: SS-661. Producer or source: Armco International Sales.

Armco Type 444 is a low-carbon, low-nitrogen, ferritic stainless steel that provides pitting and crevice corrosion resistance superior to that of most ferritic stainless steels. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming and joining. Filing Code: SS-798. Producer or source: Armco Inc.

ARMCO NITRONIC 60 Stainless Steel provides outstanding galling and wear resistance. It also has excellent high-temperature oxidation resistance and low-temperature impact resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. 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-308. Producer or source: Baltimore Specialty Steels Corporation. Originally published as Nitronic 60, March 1975, revised July 1990.

Armco 18 SR is a ferritic stainless steel that provides excellent resistance to high temperature scaling. It is readily welded by conventional methods and is not subject to troublesome embrittlement or loss of corrosion resistance in the heat-affected zones that affect many other straight chromium alloys. 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 forming, heat treating, machining, and joining. Filing Code: SS-259. Producer or source: Armco Steel Corporation, Advanced Materials Division.

Armco 18-9LW is a low-work-hardening stainless steel developed for severe cold heading, swaging and other cold forming applications. 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, joining, and surface treatment. Filing Code: SS-138. Producer or source: Armco Inc., Eastern Steel Division.

Armco PH 15-7 Mo stainless steel is a Cr-Ni-Mo-Al semi-austenitic stainless steel. It is heat treatable to high strength and hardness, maintains good corrosion resistance, and undergoes minimal distortion from heat treatment. The alloy has applications in the aerospace and other industries where high strength at elevated temperatures is required. 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-693. Producer or source: Armco Inc., Specialty Steels Division.