AISI Type M1 is a general-purpose high-molybdenum, low-tungsten type of high-speed tool steel. It has an excellent combination of cutting ability, toughness and finishing properties. Its cutting ability is good except for heavy-duty, continuous cutting operations where the ultimate in red-hardness is required. Its toughness is as great as that of any other high-speed steel. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-314. Producer or source: Tool steel mills.

AISI Type M7 is a molybdenum type of high-speed steel. It is somewhat similar to AISI Type M1 tool steel but with higher percentages of carbon and vanadium to provide an improvement over AISI Type M1 in cutting characteristics without a significant loss in toughness. It is suitable for a wide variety of cutting-tool applications where improved resistance to abrasion is required. The many uses of Type M7 include twist drills, end mills, shear blades, punches, milling cutters, lathe tools, taps and reamers. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, machining, and surface treatment. Filing Code: TS-483. Producer or source: Tool steel mills. See also Alloy Digest TS-468, January 1987.

CARPENTER SEVEN STAR is a molybdenum-type high-speed steel containing tungsten. It bears some similarity to AISI Type M1; however, its increased carbon and vanadium percentages (over M1) provide improved cutting efficiency without materially lowering its toughness. Seven Star is an ESR (Electro Slag Remelted) high-speed steel. Its many uses include blanking dies, drills, lathe tools, punches and shearing blades. 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-348. Producer or source: Carpenter.

FAGERSTA M-7 is a molybdenum-type high-speed steel similar to AISI Type M1, but with higher percentages of carbon and vanadium than M1. The higher levels of carbon and vanadium provide an improved cutting efficiency without significantly lowering toughness. The many applications of FAGERSTA M-7 include boring tools, end mills, lathe tools, twist drills, thread-rolling dies and wood-working tools. 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-359. Producer or source: Fagersta Steels Inc..

GUTERL M-7 is a molybdenum type of high-speed steel. It is somewhat similar to AISI Type M1 tool steel but with higher percentages of carbon and vanadium to provide an improvement over M1 in cutting characteristics without a significant loss in toughness. It is used widely for cutting-tool applications that require improved resistance to abrasion. Its many uses include reamers, twist drills, taps, lathe tools, end mills and punches. 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-370. Producer or source: Guterl Special Steel Corporation.

AISI Type M7 is a molybdenum type of high-speed steel having improved cutting efficiency over AISI Type M1 high-speed steel. Type M7 was designed to offer increased wear resistance while retaining the toughness characteristic of molybdenum-type high-speed steels. It is suitable for a wide variety of cutting-tool applications where improved resistance to abrasion is desired. Typical applications include twist drills, end mills, form tools, reamers and milling cutters. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and surface treatment. Filing Code: TS-468. Producer or source: Tool steel mills. See also Alloy Digest TS-483, October 1987.

REX M7 is a molybdenum type of high-speed steel designed with higher carbon and vanadium than that in AISI Type M1 to provide higher hardness after heat treatment and improved wear resistance. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-309. Producer or source: Crucible Specialty Metals Division, Colt Industries.

VascoDyne is a high-speed steel for the metal-cutting industry. This steel is designed to give equivalent or better performance than many grades of high-speed steel now in use and at a lower cost. VascoDyne provides improved hot hardness and wear resistance over conventional high-speed steels such as AISI Types, M1, M7 and M10. VascoDyne is recommended as an excellent alternate to the traditional high-speed steels used in cutting-tool applications. This datasheet provides information on composition and hardness. It also includes information on forming, heat treating, and machining. Filing Code: TS-431. Producer or source: Teledyne Vasco.

FAGERSTA M-1 is a high-molybdenum, low-tungsten type of high-speed steel. It has good cutting ability, except for heavy-duty, continuous cutting operations where ultimate re-hardness is required. Its numerous uses include boring tools, gear cutters, milling cutters and twist drills. 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-345. Producer or source: Fagersta Steels Inc..

VASCO 8-N-2 is a molybdenum high-speed steel containing a low percentage of tungsten. It can be used successfully for a variety of cutting tools; in fact, it is a general-purpose high-speed steel. Its composition represents the first molybdenum high-speed steel to be manufactured and find practical use in the field of cutting tools. Its many uses include drills, milling cutters, lathe tools, blanking dies and special shear blades. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-351. Producer or source: Teledyne Vasco.

MOTUNG is a general-purpose high-molybdenum, low-tungsten type of high-speed tool steel. It was the first molybdenum high-speed steel to be melted commercially. It is one of the least expensive high-steels and has an excellent combination of cutting ability, toughness and finishing properties. Its many uses include drills, cutters, punches, lathe tools and general-purpose applications. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-362. Producer or source: Cyclops Corporation.

CARPENTER STAR MAX is a general-purpose, molybdenum-bearing, high-speed steel containing a low percentage of tungsten. It is produced by the ESR (Electroslag Refining) process to provide a cutting steel with as great a toughness as any other high-speed steel. Star Max can be used successfully for fine-edged tools and for tools that must be ground with sharp angles where danger of edge crumbling or chipping is pronounced. Typical applications comprise blanking dies, drills, milling cutters and punches. 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-374. Producer or source: Carpenter.

1075 and CS75 are wrought high-carbon (carbon = 0.70–0.80%) non-alloy steels that have a lower manganese content (manganese = 0.40–0.70%) than 1074 (manganese = 0.50–0.80%). They are used in the cold worked, quenched and tempered, or austempered condition. These steels are widely used for highly stressed parts that require higher strength levels than can be achieved by the lower carbon grades. They are also used for applications where the higher carbon is needed to improve wear characteristics. 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-243. Producer or source: Data Survery.

Bethlehem M-1 is a high-molybdenum, low-tungsten type of high-speed tool steel. It has good cutting ability except for heavy-duty, continuous cutting operations where the ultimate in red-hardness is required. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-289. Producer or source: Bethlehem Steel Corporation.

GUTERL M-1 is a highly-molybdenum, low-tungsten type of high-speed tool steel. It is a general-purpose high-speed steel with an excellent combination of cutting ability, finishing characteristics and toughness. Guterl M-1 has good cutting ability for all operations except for heavy-duty, continuous cutting applications that require the ultimate in red hardness. Its toughness is as great as that of other high-speed steels. Its typical uses include circular saws, broaches, gear cutters, twist drills and taps. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: TS-391. Producer or source: Guterl Special Steel Corporation.

ELECTRITE TATMO is a molybdenum type high-speed steel and is recommended as a general purpose tool steel. It has good toughness and excellent grindability along with a relatively low cost. These factors make it an economic and efficient member of the high-speed family of tool steels. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-268. Producer or source: Latrobe Steel Company.

1078 and C80S are wrought high-carbon (carbon = 0.72–0.85%) non-alloy steels that are used in the cold worked, quenched and tempered, or austempered condition. These steels are widely used for highly stressed parts, such as springs, that require higher strength levels than can be achieved by the lower carbon grades. They are also used for applications where the higher carbon is needed to improve wear characteristics. 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-244. Producer or source: Data Survey.

1070, C67S, CS70, and S70C are wrought high-carbon (carbon = 0.65–0.75%) non-alloy steels that are, in general, used in the cold worked, quenched and tempered, or austempered condition. These steels are widely used for highly stressed parts that require higher strength levels than can be achieved by the lower carbon grades. They are also used for applications where the higher carbon is needed to improve wear characteristics. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance and wear resistance as well as forming, heat treating, machining, and joining. Filing Code: CS-241. Producer or source: Data Survey.

1074, C75S, and S75C are wrought high-carbon (carbon = 0.70–0.80%) non-alloy steels that are, in general, used in the cold worked, quenched and tempered, or austempered condition. These steels are widely used for highly stressed parts that require higher strength levels than can be achieved by the lower carbon grades. They are also used for applications where the higher carbon is needed to improve wear characteristics. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, machining, and joining. Filing Code: CS-242. Producer or source: Data Survey.

1080 is a wrought high-carbon (carbon = 0.75–0.88%) non-alloy steel that is used in the cold worked, quenched and tempered, or austempered condition. This steel is widely used for highly stressed parts, such as springs, that require higher strength levels than can be achieved by the lower carbon grades. It is also used for applications where the higher carbon is needed to improve wear characteristics. 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-245. Producer or source: Data Survey.