UGI 4418 is a martensitic stainless steel with excellent corrosion resistance in aggressive environments combined with good mechanical properties, including toughness. It exhibits excellent cryogenic properties. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance, corrosion and wear resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-1292. Producer or source: Schmolz + Bickenbach USA Inc..

UDIMET 718 is a nickel-base alloy that is precipitation hardenable. It exhibits exceptionally high yield strength up to 1300 F, excellent cryogenic properties down to -423 F and superior weldability even in the fully-aged condition. This unusual combination of characteristics makes it suitable for elevated-temperature applications in gas turbines and in critical components for missiles. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-258. Producer or source: Special Metals Corporation.

Allvac 718 is produced by vacuum induction melting followed by vacuum arc or electroslag consumable remelting. Th alloy has excellent strength and good ductility up to 1300 F (704 C). It also has excellent cryogenic properties. It has unique welding characteristics. 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-394. Producer or source: Allvac Inc..

SPS Technologies MP35N is a multiphase cobalt-nickel alloy that possesses a unique combination of ultra-high strength, good ductility and toughness, outstanding corrosion resistance, and excellent cryogenic properties. It was the first fastener superalloy developed by SPS Technologies. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: Co-140. Producer or source: SPS Technologies, Inc.

UNIMAR 250 is a maraging alloy steel having high strength, good notch toughness, excellent cryogenic properties and deep hardenability. It is recommended for pressure vessels, solid-fuel rocket cases and pressure bottles, landing-gear components, processing equipment operating in the temperature range of 300 to 600 F, and components for spacecraft, jet engines and gas turbines. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-304. Producer or source: Cyclops Corporation.

FIRTH FS-718 is an austenitic nickel-base alloy having good cryogenic properties, and excellent strength and oxidation resistance up to 1300 F. It is highly recommended for missile and gas turbine components. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as 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: Ni-112. Producer or source: Firth Sterling Inc..

Carlson alloy Nitronic 33 has twice the yield strength of 304 stainless with comparable corrosion resistance. The low magnetic permeability of the alloy is retained after severe cold working. The resistance to chloride stress-corrosion cracking is superior to Type 304. Nitronic 33 has excellent strength and ductility at cryogenic temperature, and wear and galling resistance is superior to the standard austenitic grades. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on low temperature performance and corrosion resistance as well as forming and joining. Filing Code: SS-931. Producer or source: G.O. Carlson Inc., Electralloy.

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 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.

HAYNES alloy No. 718 is a precipitation-hardening nickel-base alloy with good ductility and excellent high-temperature strength and oxidation resistance. It is produced by vacuum melting and consumable electrode remelting, either electroslag or vacuum arc. The alloy welds readily and it excels in resisting post-weld (strain-age) cracking. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, and joining. Filing Code: Ni-359. Producer or source: Haynes International Inc..

CRYOTECH 302 is a new, cryogenically processed stainless steel wire with the same composition as AISI Type 302. The cryogenic processing gives tensile and torsional properties that are independent of wire diameter (thus simplifying spring design calculations) and markedly greater than those of conventional stainless steels. Cryotech 302 has uniformly high properties: 290,000 psi tensile strength and 145,000 psi minimum torsional yield strength. Thus it provides greater design flexibility than conventional stainless steels. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and surface treatment. Filing Code: SS-372. Producer or source: AL Tech Specialty Steel Corporation.

TECHALLOY 36 Alloy is an iron-nickel alloy that has a thermal expansion rate about 10% of the rate for carbon steel up to 400 F. It provides the lowest thermal expansion rate of all similar types of alloys. It has fairly good room-temperature mechanical properties in the annealed condition: a tensile strength of 71,000 psi and an elongation of 41%; also, it is tough at cryogenic temperatures. Among its many applications are electronic components, cryogenic parts and aircraft controls. 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: Fe-58. Producer or source: Techalloy Company Inc..

SSC Invar 36 was developed for use in applications where dimensional stability is essential. It is a nickel-iron alloy with a very low coefficient of thermal expansion from cryogenic temperatures to 200 deg C (390 deg F). It is utilized in aerospace composite tooling and die applications, as well as laser components, and cryogenic components and piping: liquefied natural gas production, storage, and transportation. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming. Filing Code: Fe-158. Producer or source: Sandmeyer Steel Company. Originally published December 2011, revised February 2012.

Allvac 718-OP is a versatile alloy that is vacuum induction melted followed by a consumable melting process. The alloy is a special chemistry vacuum melted version of standard Allvac 718. It is a precipitation-hardenable, nickel-base alloy that can be used from -253 deg C (-423 deg F) to 704 deg C (1300 deg F). The main hardening constituent is a niobium-containing gamma prime precipitate. 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, machining, and joining. Filing Code: Ni-605. Producer or source: Allvac Metals Company.

ALMAR 20 is a high nickel martensitic steel which is strengthened by precipitation hardening. It has excellent combination of strength and toughness particularly in the presence of notches and cracks. It is recommended for applications such as solid fuel rocket cases and aircraft landing gear. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on low temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-162. Producer or source: Allegheny Ludlum Corporation.

UCAR 302 is a cryogenically processed stainless steel wire with the same composition as AISI Type 302. The processing gives tensile and torsional properties that are independent of wire diameter and markedly greater than those of conventional stainless steels. UCAR 302 has uniformly high properties: 290,000 psi tensile strength and 145,000 psi minimum torsional yield strength. Thus it provides greater design flexibility than conventional stainless steels. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, machining, joining, and surface treatment. Filing Code: SS-354. Producer or source: AL Tech Specialty Steel Corporation.

JESSOP JS600 is a nickel-chromium-iron alloy for use in environments requiring resistance to heat and/or corrosion. It has excellent mechanical properties and a combination of high strength and good workability. It performs well in applications with temperatures from cryogenic to more than 2000 F. Its many applications include aircraft/aerospace components, equipment for chemical and food processing and parts for heat-treating 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: Ni-287. Producer or source: Jessop Steel Company.

Nickel Alloy 600 is a nickel-base alloy intended for use in a wide range of applications from cryogenic to temperatures above 2000 F, where high-temperature properties and resistance to oxidation or corrosion are desired. This alloy has been used in nuclear, petroleum, chemical, food-processing, pharmaceutical and heat-treating industries. 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: Ni-309. Producer or source: Nickel alloy producers.

INCONEL alloy X-750 is an age-hardenable, nickel-chromium alloy used for its corrosion and oxidation resistance and high creep rupture strength at temperature up to 1500 F. It also has excellent properties at cryogenic temperatures. It was originally developed for use in gas turbines, but because of its low cost, high strength and weldability it has become the standards choice for a wide variety of applications. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep and fatigue. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-115. Producer or source: Huntington Alloy Products Division, An INCO Company.

Allegheny Ludlum Type 201LN (AL 201LN) is a modification of Type 201 developed especially for cryogenic service to -195 deg C (-320 deg F) to handle industrial gases. Its strength and corrosion resistance also allow other applications. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness. It also includes information on low temperature performance and corrosion resistance as well as forming. Filing Code: SS-1000. Producer or source: Allegheny Ludlum.