AK Steel Type 316 has a 2.0-3.0% range of molybdenum that improves the corrosion resistance of austenitic stainless steels and imparts hot-strength characteristics. Type 316 also has better resistance to pitting and crevice corrosion than the regular chromium-nickel stainless steels. Another valuable property is high creep strength at elevated temperatures. The alloy has extensive use in marine exterior trim, chemical- and food-process equipment, pharmaceutical and textile-finishing equipment, and in the pulp and paper industry. 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, and joining. Filing Code: SS-865. Producer or source: AK Steel Corporation.

AK Steel Type 316L is a Cr-Ni-Mo steel with a very low carbon content (0.03 max). Its general resistance to corrosion is similar to AISI Type 316 (see Alloy Digest SS-865, October 2002) but, because of its low carbon content, it has superior resistance to the formation of harmful carbides that contribute to intergranular corrosion. Type 316L is used widely in many industries such as chemical, food, paper, textile, nuclear, and oil. 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, and joining. Filing Code: SS-872. Producer or source: AK Steel Corporation.

AK Steel 2205 duplex stainless steel combines the exceptional corrosion performance of a high chromium ferritic alloy to resist SCC with the enhanced corrosion resistance of austenitic stainless steels. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, machining, and joining. Filing Code: SS-1250. Producer or source: AK Steel Corporation.

AK Steel 309S is a chromium-nickel austenitic stainless steel that provides excellent corrosion resistance and heat resistance in addition to good strength at room and elevated temperatures. It is identical to AK Steel 309 except for a lower carbon content that minimizes carbide precipitation and improves weldability. 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, and joining. Filing Code: SS-1334. Producer or source: AK Steel Corporation.

AK Steel 309 is a chromium-nickel austenitic stainless steel. It is typically used for elevated temperature applications. Its high chromium and nickel contents provide comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic stainless steels, such as type 304. 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, and joining. Filing Code: SS-1333. Producer or source: AK Steel Corporation.

AK Steel Type 304 is a chromium-nickel austenitic stainless steel. It is a variation of the base 18-8 grade, but with higher chromium and lower carbon content. The lower carbon content minimizes carbide precipitation due to welding and reduces its susceptibility to intergranular corrosion. Type 304 is the most versatile and widely used stainless steel grade. It combines good resistance to atmospheric corrosion and to many chemicals, food, and beverages. It has excellent formability. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties as well as fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming and joining. Filing Code: SS-1317. Producer or source: AK Steel Corporation. Originally published April 2020, corrected May 2020.

AK Steel Type 304L is a chromium-nickel austenitic stainless steel. It is an extra low-carbon variation of Type 304 with a 0.030% maximum carbon content that eliminates carbide precipitation due to welding. As a result, this alloy can be used in the “as-welded” condition, even in severe corrosive conditions. In many cases it eliminates the necessity of annealing weldments except for applications specifying stress relief. Type 304L has slightly lower mechanical properties than Type 304. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance, corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-1324. Producer or Source: AK Steel Corporation.

AK Steel Nitronic 30 has good wet abrasion resistance, good resistance to aqueous and atmospheric corrosion, high strength, economy, and improved stress-corrosion cracking resistance over common 18-8 stainless steels. 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 and joining. Filing Code: SS-1138. Producer or source: AK Steel Corporation.

AK Steel Type 201 is a chromium-manganese-nickel austenitic stainless steel that was developed to conserve nickel. Its properties are similar to those of Type 301. It is a lower cost alternative to Type 301 in certain 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 and joining. Filing Code: SS-1313. Producer or source: AK Steel Corporation.

AK Steel Type 301 is an austenitic chromium-nickel stainless steel that provides high strength and good ductility when cold worked. It is a modification of Type 302, in which the chromium and nickel contents are lowered to increase the cold-work-hardening range. This permits higher tensile strengths to be achieved by rolling with a lower loss of ductility than with Type 302. The high-strength properties of Type 301 make it ideally suited to structural and transportation applications. 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, and joining. Filing Code: SS-861. Producer or source: AK Steel Corporation.

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.

Alloy 19D (UNS S32001), Nitronic 19D, is a lean duplex (ferritic-austenitic) stainless steel developed by AK Steel. Compared to conventional duplex and super-duplex stainless steels, alloy 19D has a reduced chromium content, man-ganese is substituted for most of the nickel, and molybdenum is essentially eliminated. Gibson Tube conducted a development program to produce seam-welded 19D tubing. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance. Filing Code: SS-841. Producer or source: Gibson Tube.

Armco 321 is an austenitic nickel-stainless-steel with the carbon stabilized by titanium for welding and elevated temperature service. It is useful when the weldment is not annealed after welding. This alloy is nonmagnetic when annealed but is slightly magnetic when cold worked. It has excellent resistance to corrosion and oxidation, possesses high creep strength, and may be used at temperatures up to 871 C (1600 F). Titanium is added to this alloy to impart substantial immunity to intergranular corrosion. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-810. Producer or source: AK Steel Inc.

Cleveland-Cliffs 444 is a low carbon, low nitrogen, dual stabilized ferritic stainless steel that provides pitting and crevice corrosion resistance superior to most ferritic stainless steels and some austenitic stainless steels. It is equivalent to Type 304 austenitic stainless steel in many corrosion environments and has a lower coefficient of expansion and better thermal conductivity. Cleveland- Cliffs 444 has superior chloride stress-corrosion cracking resistance to Type 304 and Type 316 austenitic stainless steels. It is oxidation and creep resistant at elevated temperatures, making it a preferred material for the most demanding applications in automotive exhaust. 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-1355. Producer or source: Cleveland-Cliffs Inc.

Electralloy’s Nitronic 33 is a nitrogen strengthened austenitic stainless steel. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion and wear resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-1142. Producer or source: Electralloy, a Division of G.O. Carlson Inc.. See also Alloy Digest SS-324, January 1976.

TIMKEN 16-13-3 STEEL is an austenitic, non-magnetic alloy steel having high creep and rupture strength, and high oxidation resistance. This datasheet provides information on composition, physical properties, 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-82. Producer or source: Timken Roller Bearing Company.

Cleveland-Cliffs 11 Cr-Cb is a ferritic stainless steel that has increased silicon levels and is dual stabilized with titanium and niobium. It provides elevated temperature strength and oxidation resistance superior to that of type 409 and comparable to those of 18 Cr-Cb and type 439 stainless steels. This alloy should be considered for applications in which type 409 stainless steel provides only marginal strength and oxidation resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming and joining. Filing Code: SS-1343. Producer or source: Cleveland-Cliffs Inc.

CARPENTER STAINLESS TYPE 430 is a chromium stainless steel that is especially useful for all types of decorative trim. This steel is suitable for trim on automobiles, cameras, vending machines, counters and showcases, electrical appliances and finished hardware in the building trade. The alloy also has many applications in both the petrochemical and chemical area. Type 430 has moderate strength and good ductility. It can be cold worked readily for producing trim and can be joined successfully by several methods. 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 resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-384. Producer or source: Carpenter. Originally published March 1981, revised April 1995.

SANDVIK 8RE10 is an austenitic, stainless chromium-nickel steel of the 25/20 type. It has good resistance to carburization, sulphidation and oxidation combined with moderate creep strength structural stability. Maximum service temperature in air is 1100 C (2010 F). 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 as well as heat treating and joining. Filing Code: SS-577. Producer or source: Sandvik.