AQUAMET 17 is a precipitation-hardening stainless steel that provides the best combination of strength, toughness, wear resistance and corrosion resistance available for shafting where extra strength and precision straightness are needed. It is in wide use in various types of boats. 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-326. Producer or source: Armco Steel Corporation, Advanced Materials Division.

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.

Carpenter SIL No. 1 is a hardenable silicon-chromium alloy steel that is used in applications where the operating temperatures are below 1000 F. It is widely used for intake valves and for exhaust valve stems in internal combustion engines. 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, and machining. Filing Code: SA-152. Producer or source: Carpenter.

Carpenter 21-55N Valve Steel is an austenitic nitrogen-bearing chromium-nickel-manganese alloy which offers an excellent combination of high temperature strength and corrosion resistance for exhaust valve applications. It is widely used as the head material in two-piece valves for internal combustion engines. It is also finding increasing use for one-piece valves in automobile engines. 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-176. Producer or source: Carpenter.

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.

CARPENTER 21-12 is an austenitic chromium-nickel stainless steel which offers an excellent combination of high-temperature strength and corrosion resistance for exhaust valve applications. It is used widely as the head material in two-piece valves for both diesel and gasoline engines. 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-310. Producer or source: Carpenter Technology Corporation.

CARPENTER 21-12N is an austenitic chromium-nickel stainless steel for valves. It offers excellent high-temperature strength and hardness as well as corrosion resistance to combustion products. This alloy contains 0.15-0.25% nitrogen for increased high-temperature strength. It is widely used as the head material in two piece exhaust valves for both diesel and gasoline engines. 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-316. Producer or source: Carpenter.

Project 70 stainless type 303 and Project 7000 stainless type 303 are free-machining stainless steels of the austenitic chromium-nickel type. They offer significantly improved machinability and longer tool life. These steels are suited particularly for automatic bar-machine and Swiss-type machine operations where longer tool life results in more productive machining time. Applications include shafts, valve bodies, valves, valve trim, and fittings. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness and creep. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-409. Producer or source: Carpenter. Originally published June 1982, revised June 1997.

CARPENTER AMS 5700 is an austenitic chromium-nickel-tungsten valve steel which offers good high-temperature properties and resistance to corrosion in exhaust valves. This datasheet provides information on composition, physical properties, hardness, 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, and machining. Filing Code: SS-313. Producer or source: Carpenter Technology Corporation.

CARPENTER 80-20 ALLOY is a nickel-chromium alloy intended for service at high temperatures. It offers good corrosion resistance to exhaust gases in aircraft piston engines. Considerable quantities of this alloy have been used as welded overlays on valve heads for aircraft engine exhaust valves. 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: Ni-264. Producer or source: Carpenter.

ESCOLOY 45D is a duplex stainless steel casting with a combination of high strength, toughness and corrosion resistance. Pumps or valves handling sea water is one application area. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on low temperature performance and corrosion resistance as well as casting and joining. Filing Code: SS-541. Producer or source: ESCO Corporation.

ATLAS ALLOY 958 is a duplex stainless steel designed to maximize the resistance to chloride corrosion. The alloy is balanced to produce a duplex stainless steel containing austenite dispersed throughout a ferrite matrix. It is an excellent material for pumps and valves in seawater and other aggressive environments. This datasheet provides information on composition, hardness, and tensile properties. It also includes information on corrosion resistance as well as casting and heat treating. Filing Code: SS-544. Producer or source: Atlas Foundry & Machine Company.

AL TECH 440C is a martensitic stainless steel of high carbon and chromium content capable of full hardening response after oil quenching or air cooling. The outstanding wear resistance of 440C combined with its moderately good corrosion resistance make it an excellent candidate for bearings, bushings, valve components, cutlery and pump parts. Designers may also consider Type 440C vacuum are remelted (VAR) for aerospace and small precision bearings. In these applications improved cleanliness, superior fatigue properties, high strength and corrosion resistance are critical design considerations. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-550. Producer or source: AL Tech Specialty Steel Corporation.

NOREM 02 is a welding consumable for use in nuclear power plant systems to be part of the cobalt reduction program by EPRI to control radiation fields. The alloy can be used for hardfacing in valves with good results. This datasheet provides information on composition. It also includes information on wear resistance as well as joining. Filing Code: SS-576. Producer or source: Hard Metal Alloys.

HIDURON alloy 191 was developed for marine applications where both a combination of strength and good corrosion/ impingement resistance is needed. It finds applications in shafts, fasteners and valve stems. 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: CU-601. Producer or source: Langley Alloys Ltd.

BioDur TrimRite Stainless has a composition that is balanced to be fully martensitic in the hardened condition. The alloy possesses a moderately high level of corrosion resistance and is applied as valve parts, guides, shafting and cutlery, including surgical tools. 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 heat treating and machining. Filing Code: SS-599. Producer or source: Carpenter.

Nimonic alloy 901 is a nickel-base alloy strengthened by additions of molybdenum, titanium, and aluminum. It possesses high creep and rupture strength from 1000 to 1400 deg F. Applications include components for gas turbines, bolting, and valve stems for power applications. 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 as well as heat treating. Filing Code: Ni-339. Producer or source: Inco Alloys International Inc. Originally published September 1986, revised April 1996.

CHLORIMET 2 is a nickel-base alloy that provides good resistance to corrosive conditions not normally handled by other types of commercially available alloys. CHLORIMET 2 is a refined equivalent of HASTELLOY B and is most commonly used in engineered equipment, such as pumps and valves, made by the alloy’s manufacturer. 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 casting, heat treating, machining, and joining. Filing Code: Ni-12. Producer or source: Duriron Company Inc. Originally published November 1954, revised October 1980, revised May 1996.

Chlorimet 3 is a nickel-base alloy containing large amounts of chromium and molybdenum. It provides good resistance to many corrosive conditions not normally handled by other types of commercially available metals and alloys. Chlorimet 3 is a refined equivalent of Hastelloy C and is most commonly used in engineered equipment, such as pumps and valves, made by the alloy’s manufacturer. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Ni-19. Producer or source: Duriron Company Inc. Originally published June 1955, revised November 1980, revised June 1996.

TRISTELLE ALLOY TS-1 is a 30Cr-10Ni-12Co alloy developed to withstand both corrosion and galling. This alloy relies on the formation of chromium-rich carbides during solidification. It is the lowest in carbon of the Tristelle Family. The alloy is recommended for valve services. This datasheet provides information on composition, physical properties, and hardness as well as fracture toughness. It also includes information on corrosion and wear resistance as well as joining. Filing Code: SS-662. Producer or source: Stoody Deloro Stellite Inc.