PYROMET 31 is a nickel-base superalloy that exhibits an unusual combination of corrosion resistance and strength to temperatures as high as 1500 F (816 C). It has excellent resistance to hot sulfidation attack such as could occur in truck and locomotive diesel valve service. This datasheet provides information on composition, physical properties, and elasticity. Filing Code: Ni-252. Producer or source: Carpenter Technology Corporation.

Pyromet 31V is a sulfidation resistant, precipitation hardenable superalloy with unusual combination of corrosion resistance and strength to 816 C (1500 F). It has excellent resistance to hot sulfidation attack and has been used in truck and locomotive diesel valve service. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and machining. Filing Code: Ni-536. Producer or source: Carpenter Technology Corporation.

INCOLOY alloy 803 is a high-temperature corrosion-resistant, nickel-iron-chromium alloy, developed by Inco Alloys International for pyrolysis in high-severity ethylene furnaces, and for other petrochemical applications where high levels of oxidation-, carburization-, and/or sulfidation-resistance are important. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on high temperature performance as well as joining. Filing Code: SS-559. Producer or source: Inco Alloys International Inc.

MAR-M Alloy 421 is a precipitation hardened nickel-base superalloy developed to provide a good combination of high strength, ductility, sulfidation resistance, and stability. It is recommended for gas turbine applications. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on corrosion resistance as well as casting, forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-141. Producer or source: Martin Metals Division.

RA85H is a fully austenitic heat-resistant alloy modified with silicon for resistance to carburization. An addition of aluminum confers good oxidation resistance and improves resistance to sulfidation. The fine grain size of this alloy in the solution annealed condition provides unusual resistance to thermal fatigue in applications where it is subjected to quenching. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on forming, heat treating, machining, and joining. Filing Code: SS-492. Producer or source: Rolled Alloys Inc..

Nitronic 20 was designed for elevated-temperature use where high mechanical strength and resistance to oxidation and sulfidation are important. This stainless steel exhibits high mechanical strength throughout the 1000-1700 F (538-927 C) temperature range, yet it is malleable at forging temperatures and provides excellent hot workability. Nitronic 20 also retains ductility and ambient temperatures; this permits working or shaping by many conventional cold-forming processes. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and machining. Filing Code: SS-381. Producer or source: Armco Inc., Stainless Steel Division.

INCONEL Alloy MA 6000 is a nickel-base alloy produced by mechanical alloying. It is strengthened by both oxide dispersion strengthening and precipitation hardening for high creep and rupture properties at 2000 F (1095 C) as well as at 1400 F (760 C). The alloy's composition also gives it excellent resistance to oxidation and sulfidation. Alloy MA 6000 was developed as a blade material for advanced gas turbines. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-288. Producer or source: Huntington Alloy Products Division, An INCO Company.

UPM Nickel Alloy 188 (UNS R30188 / Werkstoff Number 2.4683) is a low-carbon, cobalt-nickel-chromium-tungsten alloy that combines excellent high-temperature strength with very good oxidation resistance up to 1095 °C (2000 °F). It is widely used in commercial and military aircraft gas turbine engines. This datasheet provides information on composition and physical properties. It also includes information on forming and joining. Filing Code: Co-130. Producer or source: United Performance Metals.

Rolled Alloys 188 is a cobalt-based superalloy with a unique combination of high temperature strength and oxidation resistance, along with adequate ductility even after prolonged exposure to the 760–870 °C (1400–1600 °F) temperature range. Cobalt alloys have an inherent advantage over the nickel-based grades in high temperature creep. Rolled Alloys 188 is solid solution strengthened by a 14% tungsten addition, and further strengthened by M6C and M23C6 carbides. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Co-136. Producer or source: Rolled Alloys Inc.

UPM Cobalt Alloy L605 (UNS R30605) is a solid-solution-strengthened, cobalt-20chromium-15tungsten-10nickel alloy. This corrosion- and heat-resistant alloy is typically used for intermittent service up to 870 °C (1600 °F), and for continuous service up to 1095 °C (2000 °F), but usage is not limited to such applications. 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 and heat treating. Filing Code: Co-131. Producer or source: United Performance Metals.

ATI L-605 alloy is a high-temperature cobalt alloy with oxidation resistance to 1093 deg C (2000 deg F). This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance as well as forming and heat treating. Filing Code: Co-126. Producer or source: Allegheny Technologies Inc..

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.

This alloy improves upon the excellent high-temperature corrosion resistance of INCONEL alloy 690 (see Alloy Digest Ni-266, March 1981) through an addition of aluminum. Inconel Alloy 693 is typically 61% Ni, 29% Cr, 3.3% Al, and 0.7% Nb, with the balance being principally iron. By virtue of its contents of chromium and aluminum, alloy 693 offers particularly good resistance to oxidation, carburization, sulfidation, and special resistance to metal dusting. 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 and heat treating. Filing Code: Ni-617. Producer or source: Special Metals Corporation.

HAYNES Alloy No. 556 is an iron-nickel-chromium-cobalt alloy that combines effective resistance to sulfidizing, carburizing and chlorine-bearing environments with excellent strength and oxidation resistance at high temperatures. 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, and joining. Filing Code: Fe-76. Producer or source: Haynes International Inc..

RMI Beta C is a heat-treatable titanium-base alloy that develops a tensile strength of over 200,000 psi in the solution-treated-and-aged condition. It has good ductility and toughness, good fabricability and a low elastic modulus. It has good resistance to general corrosion and it resists hot, aggressive environments containing ferric chloride, sodium chloride, carbon dioxide and hydrogen sulfide. Its applications include coil springs, fasteners, rivets and downhole oil-production equipment. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ti-87. Producer or source: RMI Company.

HASTELLOY alloy H-9M is especially designed for enhanced resistance to pitting and crevice corrosion attack. It is resistant to failure by stress-corrosion cracking in general and to hydrogen/hydrogen sulfide stress cracking in particular. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-365. Producer or source: Haynes International Inc..

SUMITOMO DP3 is a duplex steel with 25 chromium to resist the oil country tubular goods environments of hydrogen sulfide, chlorides and carbon dioxide. The higher alloying also produces higher strengths and more resistance to chloride stress-corrosion cracking than 22 chromium duplex stainless steel. 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-570. Producer or source: Sumitomo Metal Industries Ltd.

SUMITOMO DP8 is a duplex stainless steel. Duplex stainless steels are designed to be economical and reliable for material applications in the production of oil and gas to resist the environments there of carbon dioxide, hydrogen sulfide and chlorides. This family of alloys is also resistant to chloride-ion 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 high temperature performance and corrosion resistance as well as heat treating and joining. Filing Code: SS-571. Producer or source: Sumitomo Metal Industries Ltd.

Sumitomo weldable seamless 13Cr-S is a corrosion-resistant line pipe with very low carbon for weldability. The addition of molybdenum to the composition provides resistance to corrosive environments containing small amounts of hydrogen sulfide. This datasheet provides information on composition, physical properties, 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 joining. Filing Code: SS-745. Producer or source: Sumitomo Metal Industries Ltd. Originally published May 1999, corrected July 1999.

Haynes alloy 556 filler metal is an iron-nickel-chromium-cobalt alloy that combines effective resistance to sulfidizing, carburizing, and chlorine-bearing environments with excellent strength and oxidation resistance at high temperatures. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on corrosion resistance as well as joining. Filing Code: SS-782. Producer or source: Haynes International Inc.