CPM REX 25

Alloy Digest ◽  
1980 ◽  
Vol 29 (7) ◽  
Keyword(s):  
Heat Treatment ◽  
High Speed ◽  
High Speed Steel ◽  
High Hardness ◽  
Heat Treating ◽  
High Speeds ◽  
Aisi Type ◽  
Tool Performance ◽  
End Mills ◽  
Machining Operations

Abstract CPM REX 25 is a super high-speed steel made without cobalt. It is comparable to AISI Type T15 cobalt-containing high-speed steel in response to heat treatment, properties, and tool performance. CPM REX 25 is recommended for machining operations requiring heavy cuts, high speeds and feeds, and difficult-to-machine materials of high hardness and abrasion resistance. Typical applications are boring tools, drills, gear cutters, punches, form tools, end mills and broaches. 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-365. Producer or source: Crucible Materials Corporation.

TATMO V-N

Alloy Digest ◽  
1985 ◽  
Vol 34 (12) ◽  
Keyword(s):  
High Speed ◽  
Cutting Tool ◽  
High Speed Steel ◽  
High Hardness ◽  
Heat Treating ◽  
Nitrogen Addition ◽  
Aisi Type ◽  
End Mills ◽  
Red Hardness ◽  
Edge Toughness

Abstract TATMO V-N is an AISI Type M7 high-speed steel modified by alloy balancing and a nitrogen addition to develop superior hardness response in heat treatment. It is an excellent grade for many cutting-tool applications requiring an optimum balance of red hardness, edge toughness and wear resistance, such as drills, taps, end mills, reamers and milling cutters. Its combination of outstanding properties and high hardness makes Tatmo V-N a logical alternate for cobalt high-speed steels in many cutting-tool applications. 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-452. Producer or source: Latrobe Steel Company.

CPM REX 20

Alloy Digest ◽  
1982 ◽  
Vol 31 (5) ◽  
Keyword(s):  
Fracture Toughness ◽  
Physical Properties ◽  
Abrasion Resistance ◽  
High Speed ◽  
Heat Treating ◽  
High Speeds ◽  
Aisi Type ◽  
Tool Performance ◽  
Machining Operations ◽  
Specialty Metals

Abstract CPM REX 20 is the second in a family of super high-speed steels made without cobalt. (For the first one, see CPM REX 25, Alloy Digest TS-365, July 1980.) CPM REX 20 is comparable to the AISI Type 40 series of high-speed steels, particularly AISI Type 42, in heat-treating response and tool performance. CPM REX 20 is designed for use in machining operations requiring heavy cuts, high speeds and feeds, and for difficult-to-machine materials that are high in hardness and abrasion resistance. Typical applications are boring tools, drills, gear cutters and punches. 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-398. Producer or source: Crucible Specialty Metals Division, Colt Industries.

CRUCIBLE CPM REX T15 (HS)

Alloy Digest ◽  
2007 ◽  
Vol 56 (3) ◽  
Keyword(s):  
Wear Resistance ◽  
High Speed ◽  
High Speed Steel ◽  
High Hardness ◽  
Heat Treating ◽  
High Speeds ◽  
Red Hardness ◽  
Machining Operations ◽  
Metallurgy Process ◽  
Very High

Abstract CPM Rex T15 is a tungsten-type high-speed steel containing high carbon and vanadium for very high hardness and maximum wear resistance, and cobalt for good red hardness. It is now made exclusively by Crucible’s particle metallurgy process, resulting in improved quality and grindability. This alloy was designed for use in difficult machining operations requiring heavy-duty cuts, high speeds and feeds, and for difficult-to-machine materials that are high in hardness and abrasion resistance. This datasheet revision updates chemistry, properties, and the benefits of high sulfur (HS). This datasheet provides information on composition, physical properties, hardness, elasticity, and bend strength as well as fracture toughness. It also includes information on wear resistance as well as forming, heat treating, and machining. Filing Code: TS-249. Producer or source: Crucible Service Centers. Originally published as CPM REX T15, January 1973, revised March 2007.

AISI TYPE M7

Alloy Digest ◽  
1987 ◽  
Vol 36 (10) ◽  
Keyword(s):  
Tool Steel ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
Significant Loss ◽  
Steel Mills ◽  
Aisi Type ◽  
End Mills ◽  
The Many ◽  
Twist Drills

Abstract 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.

AISI TYPE T1

Alloy Digest ◽  
1980 ◽  
Vol 29 (11) ◽  
Keyword(s):  
Heat Treatment ◽  
Physical Properties ◽  
Surface Treatment ◽  
Tool Steel ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
General Purpose ◽  
Steel Mills ◽  
Aisi Type

Abstract AISI Type T1 is a general-purpose, tungsten, high-speed steel containing nominally 18% tungsten, 4% chromium and 1% vanadium. It is suitable for practically all high-speed applications. This steel has been the standard of the industry for many years because of its cutting ability, ease of heat treatment and minimum tendency to decarburize. Its many applications include drills, taps, lathe and planer tools, broaches and hobs. 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-373. Producer or source: Tool steel mills.

FAGERSTA M-7

Alloy Digest ◽  
1980 ◽  
Vol 29 (2) ◽  
Keyword(s):  
Physical Properties ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
Cutting Efficiency ◽  
Aisi Type ◽  
Thread Rolling ◽  
End Mills ◽  
The Many ◽  
Twist Drills

Abstract 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..

REX M7

Alloy Digest ◽  
1976 ◽  
Vol 25 (11) ◽  
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Physical Properties ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
Aisi Type ◽  
Specialty Metals

Abstract 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.

AISI TYPE M42

Alloy Digest ◽  
1987 ◽  
Vol 36 (5) ◽  
Keyword(s):  
Wear Resistance ◽  
High Speed ◽  
High Speed Steel ◽  
High Hardness ◽  
Heat Treating ◽  
Steel Mills ◽  
Aisi Type ◽  
Heat Treated ◽  
Edge Toughness ◽  
Hot Hardness

Abstract AISI Type M42 is capable of being heat treated to Rockwell C 68-70; in fact, it is a super high-speed steel. Its combination of composition and properties makes it suitable for machining high-hardness alloys and difficult-to-machine superalloys. Excellent wear resistance and high hot hardness are obtained in Type M42 without loss of cuttting-edge toughness. Typical tools made from this steel are broaches, drills, gear cutters and milling cutters. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-476. Producer or source: Tool steel mills.

VASCO M-7

Alloy Digest ◽  
1981 ◽  
Vol 30 (3) ◽  
Keyword(s):  
Physical Properties ◽  
Surface Treatment ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
Cutting Efficiency ◽  
Aisi Type ◽  
End Mills

Abstract VASCO M-7 is a molybdenum type of high-speed steel having tungsten, chromium and molybdenum contents similar to AISI Type MI high-speed steel, but with higher carbon and vanadium. The increased percentages of carbon and vanadium add to the cutting efficiency of the steel without materially lessening the toughness. This steel has met with considerable favor among high-speed steel users who are seeking improved cutting properties for specific applications. Its many applications include drills, end mills, milling cutters, punches and shear 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-379. Producer or source: Teledyne Vasco.

AISI TYPE M7

Alloy Digest ◽  
1987 ◽  
Vol 36 (1) ◽  
Keyword(s):  
High Speed ◽  
Cutting Tool ◽  
High Speed Steel ◽  
Heat Treating ◽  
Cutting Efficiency ◽  
Steel Mills ◽  
Aisi Type ◽  
End Mills ◽  
Twist Drills ◽  
Toughness Characteristic

Abstract 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.

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