AISI is the columbium-bearing stabilized grade of stainless steel recommended for corrosion resistant parts requiring welding. It is also recommended for parts which are intermittently heated and cooled to temperatures between 800 and 1650 F to avoid intergranular embrittlement. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-218. Producer or source: Stainless steel mills.

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.

CRUCIBLE F347 is a non-hardenable austenitic chromium-nickel steel that is particularly adaptable for use at temperatures between 800 and 1650 F. It is non-magnetic in the annealed condition but is slightly magnetic in the cold-worked condition. Among its many applications are aircraft-engine exhaust manifolds, boiler shells and high-temperature handling equipment. 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-436. Producer or source: Crucible Specialty Metals Division, Colt Industries.

EASTERN STAINLESS Type 347 contains an addition of columbium which produces a stabilized type of stainless steel free from the chromium carbide precipitates that cause intergranular corrosion. It is recommended for welded parts which cannot be annealed after welding. It is also used for parts which are intermittently heated and cooled to temperatures between 800 and 1600 F. Its many applications include exhaust manifolds, expansion and high-pressure steam pipes. 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, heat treating, machining, joining, and surface treatment. Filing Code: SS-390. Producer or source: Eastern Stainless Steel Company.

Type CF-8C is an iron-chromium-nickel-columbium corrosion resistant casting alloy especially useful for field welding, or for service involving long exposure to elevated temperatures. 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 casting, heat treating, machining, joining, and surface treatment. Filing Code: SS-235. Producer or source: Stainless steel foundries.

U.S.S. 18-8 Cb-Ta is an austenitic chromium-nickel type stainless steel with the carbon stabilized by columbium-tantalum for welding and elevated temperature service. This type is useful when the weldment is not annealed after welding. 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, heat treating, machining, joining, and surface treatment. Filing Code: SS-42. Producer or source: United States Steel Corporation.

CRUCIBLE 321 is a non-hardenable austenitic chromium-nickel steel which is particularly adaptable for parts fabricated by welding without postweld annealing for use at temperatures between 800 and 1500 F. This grade is non-magnetic in the annealed condition but is slightly magnetic when cold worked. Among its many applications are aircraft-engine exhaust manifolds, furnace parts and expansion joints. 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: SS-426. Producer or source: Crucible Specialty Metals Division, Colt Industries.

CIRCLE L 21 is a columbium type 18-8 stainless steel casting alloy recommended for welded structures and equipment in the chemical industries. 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 low and high temperature performance, and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-160. Producer or source: Lebanon Steel Foundry.

ENDURO 18-8-SCb is an 18-8 type stainless steel stablized by columbium for increased resistance to intergranular attack. It is recommended for heavy welded equipment and for service within the range of 800-1650 F when corrosive conditions exist. 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, joining, and surface treatment. Filing Code: SS-106. Producer or source: Republic Steel Corporation.

UNILOY 18-2 FM is a ferritic stainless steel designed to offer an optimum combination of machinability and corrosion resistance. 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-312. Producer or source: Cyclops.

AL Tech DBL-3 is a molybdenum-type of high-speed steel containing relatively high carbon and vanadium to provide high resistance to abrasion. It shows marked superiority over many other high-speed steels in applications where abrasion resistance is a factor. Its many applications include taps, milling cutters, broaches and drills. This datasheet provides information on composition, physical properties, and hardness as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-347. Producer or source: AL Tech Specialty Steel Corporation.

INCOLOY Alloy 800H is a wrought austenitic alloy characterized by excellent strength and corrosion resistance at high temperatures. It has higher design strengths than the conventional stainless steels above 1100 F. It is heat treated for optimum creep and stress-to-rupture properties. It is approved for HTGR (High-Temperature Gas-Cooled Reactor) nuclear reactors and is recommended for many other high-temperature applications. This datasheet provides information on composition, physical properties, and elasticity 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: SS-347. Producer or source: Huntington Alloy Products Division, An INCO Company.

AISI Type P6 is a low-carbon, high-hardenability steel which is carburized and used for molding plastics. It develops a strong, wear-resistant case combined with a hard, tough core and is recommended for the most demanding mold requirements. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-233. Producer or source: Tool steel mills.

UNS No. S32100 is an austenitic stainless steel stabilized with titanium to provide a high degree of resistance to intergranula corrosion. This datasheet provides information on composition, physical properties, hardness, 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-520. Producer or source: Stainless steel mills.

AISI Type 321 is a titanium stabilized 18-10 stainless steel having a maximum operating temperature of 1650 F. It is recommended for welded equipment and structures. 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, joining, and surface treatment. Filing Code: SS-124. Producer or source: Stainless steel mills.

CRUCIBLE 3041 is a non-hardenable, low-carbon austenitic chromium-nickel steel designed for special applications. It is particularly suitable for applications requiring welding operations where it is not practical to anneal alter welding. This grade is non-magnetic in the annealed condition but slightly magnetic when cold worked. Typical applications are screw machine products and all machined parts requiring good corrosion resistance or non-magnetic 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 heat treating, machining, and joining. Filing Code: SS-421. Producer or source: Crucible Specialty Metals Division, Colt Industries.

FAGERSTA-R350 is a low-carbon 18-9 type of austenitic stainless steel recommended for welded equipment in the food, chemical, textile and plastic industries. 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 low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-214. Producer or source: Fagersta Bruks AB.

Type 302 (UNS S 30200) stainless steel is an austenitic chromium-nickel stainless steel, nonhardenable by thermal treatments. It may be cold worked to high tensile strengths with slightly lower ductility than type 301. Its corrosion resistance is superior to that of type 301. Type 302 is essentially nonmagnetic in the annealed condition and becomes slightly magnetic when cold worked. This datasheet provides information on composition, physical properties, hardness, 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, joining, and surface treatment. Filing Code: SS-779. Producer or source: J & L Specialty Steel Inc.

USS 304 LN is an extra low-carbon, 18-8 stainless steel with nitrogen recommended for welded construction. Its strength which is higher than regular Type 304L, is comparable to that of 0.08% maximum carbon Type 304. 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 low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-148. Producer or source: United States Steel Corporation.

TENELON is a chromium-manganese-nitrogen grade of austenitic stainless steel with high tensile strength and ductility in the annealed condition as well as very attractive elevated temperature properties. This datasheet provides information on composition, hardness, 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, joining, and surface treatment. Filing Code: SS-60. Producer or source: United States Steel Corporation.