SAE 4147 is a medium-carbon low-alloy steel with relatively high hardenability and good resistance to abrasion, fatigue and impact. It is recommended for moderately severe service. Although nominally an oil-hardening grade, SAE 4147 may be water hardened if suitable precautions are taken to minimize the danger of cracking during quenching. It has a relatively low tendency for the development of temper embrittlement during tempering in the range 850-1100 F. Typical applications comprise gears, shafting, machine-tool parts, clutch parts and connecting rods. 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: SA-375. Producer or source: Alloy steel mills and foundries.

SAE 4145 is a through-hardening, medium-carbon chromium-molybdenum alloy steel of high hardenability. It is recommended for heavy-duty service and is suitable for a wide variety of engineering uses. Its many applications include gears, axles, flanges, machine tool parts, nitrided parts, bolts, connecting rods, sprockets and valve seats. 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: SA-420. Producer or source: Alloy steel mills and foundries.

AISI 4161 is a low-alloy steel of the chromium-molybdenum type; it contains nominally 0.61% carbon. It has relatively high hardenability and good resistance to abrasion, impact and fatigue. It is an oil-hardening grade and is recommended for moderately heavy-duty service. This steel has a relatively low tendency to develop temper embrittlement when tempered in the approximate range 850-1100 F. Among its many applications are springs, machine-tool parts, shafting, gears, bolts and heavy-duty hand tools. 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: SA-397. Producer or source: Alloy steel mills and foundries.

AISI 4147 is a medium-carbon alloys steel with relatively high hardenability. It has good resistance to abrasion, fatigue and impact and is recommended for moderately severe service. It is an oil-hardening grade; however, it may be water hardened if suitable precautions are taken to minimize the danger of cracking during quenching. It has a relatively low tendency for the development of temper embrittlement during tempering in the range 850-1 100 H. Typical applications comprise gears, shafting, machine-tool parts, clutch parts and connecting rods. 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, joining, and surface treatment. Filing Code: SA-419. Producer or source: Alloy steel mills and foundries.

AISI 5155 is a low-alloy, through-hardening steel containing nominally 0.80% chromium. It is recommended for uses where medium harden-ability, moderate strength and low-to-moderate toughness are satisfactory. It is normally used in the oil quenched-and-tempered condition; however, it also may be used in the unhardened (annealed, as-rolled or normalized) condition. Its applications include gears, springs, wrenches and machine tool parts. 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: SA-365. Producer or source: Alloy steel mills and foundries.

DYNA-LOY HS-32 is a cold-drawn high-strength alloy steel developed for those applications that require a minimum hardness of Rockwell C 32. Its chemical composition permits maximum machinability and improved surface finish at a guaranteed minimum tensile strength of 150,000 psi as supplied. Thus it needs no heat treatment and is suitable for a wide variety of engineering uses such as shafts, axles and machine-tool parts. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as heat treating, joining, and surface treatment. Filing Code: SA-338. Producer or source: Western Cold Drawn Steel, A Division of Stanadyne.

AMPCOLOY 45 is a high strength, extra tough bronze for machine tool parts, gears, shafts, etc. It is heat treatable and has excellent to corrosion, wear and abrasion. 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-128. Producer or source: Ampco Metal Inc..

HECLA is a high strength, tough tool steel with high fatigue resistance intended for tools and machine parts requiring great toughness and moderate wear resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-66. Producer or source: H. K. Porter Company Inc..

AISI 8642 is a triple-alloy steel that can be hardened by austenitizing and quenching in oil. This steel has moderate hardenability with relatively high strength and toughness, especially in the quenched-and-tempered condition. It is used in a wide range of components, parts and tools; examples are bolts, shafts, gears, wrenches, axles and housings. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on heat treating, machining, joining, and surface treatment. Filing Code: SA-440. Producer or source: Alloy steel mills and foundries.

AISI 8637 is a triple-alloy steel that can be hardened by quenching in oil or water; however, care must be exercised to prevent cracking in water hardening, especially if the work piece has sharp corners or drastic dimensional changes. This steel has moderate hardenability with relatively high strength and toughness. It is used in the quenched-and-tempered condition for a wide variety of components, parts and tools. 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: SA-367. Producer or source: Alloy steel mills and foundries.

SAE 8642 is a triple-alloy steel that can be hardened by austenitizing and quenching in oil. This steel has moderate hardenability with relative high strength and toughness, especially in the quenched-and-tempered condition. It is used in a wide range of components, parts and tools; examples are bolts, shafts, gears, wrenches, axles and housings. 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: SA-382. Producer or source: Alloy steel mills and foundries.

SAE 8637 is a triple-alloy steel. It can be hardened by quenching in oil or water; however, care must be exercised to prevent cracking in water hardening, especially if the work piece has sharp corners or drastic dimensional changes. This steel has moderate hardenability with relatively high strength and toughness. It is used in the quenching-and-tempered condition for a wide variety of components, parts and tools. 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: SA-418. Producer or source: Alloy steel mills and foundries.

STROLOY 503-A is a through-hardening steel developed for bearing races. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-281. Producer or source: Babcock & Wilcox Company. See also Alloy Digest SA-406, February 1985.

CARPENTER No. 5-317 is a nickel-chromium medium carbon steel for high combination of hardness and toughness in heat treated condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-27. Producer or source: Carpenter.

AISI 8650 is a triple-alloy steel of the oil-hardening type. Its good hardenability and strength make it suitable for many machine and tool components. 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: SA-437. Producer or source: Alloy steel mills and foundries.

ISO-CAST 9A is cast nickel-chromium-vanadium steel recommended as a structural alloy of high strength and impact resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on casting, heat treating, machining, and joining. Filing Code: SA-210. Producer or source: Empire Steel Castings Inc..

CYCLOPS L6 is an oil-hardening tool steel recommended for any tool-steel application requiring relatively great toughness, or where intricate shapes preclude the use of water-hardening steels. It is also recommended for machine parts and other components that require an excellent combination of hardness, wear resistance, compressive strength and toughness. Typical applications include dies of various types, arbors, punches, pinions, shear blades and clutch parts. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and surface treatment. Filing Code: TS-375. Producer or source: Cyclops Corporation.

AL TECH OILGRAPH is an oil-hardening, non-deforming graphitic tool steel. It has excellent machinability and outstanding resistance to wear and galling. Hardening is safe and easy. Typical applications are gages, cold-forming tools, punches, spindles and bushings. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-463. Producer or source: AL Tech Specialty Steel Corporation.

MAGNESIUM AZ63A is a structural light weight alloy particularly suitable for intricate parts. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive, shear, and bearing strength as well as creep and fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, joining, and surface treatment. Filing Code: MG-32. Producer or source: Magnesium foundries.

SAE 10053 is an oil or water-hardening machinery and tool steel for applications where a shallow-hardening steel of high strength with moderate toughness meets the requirements. It is commonly used for parts where induction hardening or austempering are employed. SAE 1053 is recommended for agricultural machinery and tools, hand tools, shafts, springs and heavy-machinery parts. 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: CS-70. Producer or source: Carbon steel mills.