CPM REX 71

Alloy Digest ◽  
1973 ◽  
Vol 22 (4) ◽  
Keyword(s):  
Grain Size ◽  
High Speed ◽  
Cutting Tools ◽  
High Speed Steel ◽  
High Hardness ◽  
Heat Treating ◽  
Fine Grain ◽  
Heat Treated ◽  
Metallurgy Process ◽  
Specialty Metals

Abstract CPM REX 71 is a super high-speed steel that can be heat-treated to hardnesses up to Rockwell C 70. It is now made exclusively by Crucible's particle metallurgy process. Its high hardness, fine grain size and uniform distribution of small carbides make it outstanding for special-purpose cutting tools. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-252. Producer or source: Crucible Specialty Metals Division, Colt Industries.

REX M42 and CPM REX M42

Alloy Digest ◽  
1985 ◽  
Vol 34 (4) ◽  
Keyword(s):  
High Speed ◽  
Cutting Tools ◽  
High Speed Steel ◽  
Heat Treating ◽  
General Purpose ◽  
Treated Condition ◽  
Heat Treated ◽  
Quality Product ◽  
Heat Treated Condition ◽  
Metallurgy Process

Abstract REX M42 is a high-speed steel that can be heat treated to 68 Rockwell C hardness. Its higher hardness makes it outstanding for special-cutting tools with requirements beyond the capability of general-purpose high-speed steels. CPM REX M42, produced by the Crucible Particle Metallurgy Process, is an improved quality product with homogeneous macro and micro sections exhibiting a finer grain size, better toughness and superior grindability in the heat-treated condition than conventionally produced M42. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-438. Producer or source: Crucible Specialty Metals Division, Colt Industries.

REX M2 and CPM REX M2

Alloy Digest ◽  
1975 ◽  
Vol 24 (11) ◽  
Keyword(s):  
Fracture Toughness ◽  
Grain Size ◽  
Physical Properties ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
General Purpose ◽  
Quality Product ◽  
Metallurgy Process ◽  
Specialty Metals

Abstract REX M2 is a tungsten-molybdenum high-speed steel offering outstanding performance in all operations where a general-purpose high-speed steel is required. CPM REX M2, produced by the Crucible Particle Metallurgy Process, is an improved-quality product with greater hardness or finer grain size (depending on hardening temperature), better toughness and better grindability than the conventionally produced REX M2. Other characteristics and properties of the two products are very similar (See General Characteristics for more details). 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-293. Producer or source: Crucible Specialty Metals Division, Colt Industries.

Hardening of Selective Laser Melted M2 Steel

2021 ◽  
Author(s):  
Mei Yang ◽  
Yishu Zhang ◽  
Haoxing You ◽  
Richard Smith ◽  
Richard D. Sisson
Keyword(s):  
Heat Treatment ◽  
High Speed ◽  
Cutting Tools ◽  
High Speed Steel ◽  
High Hardness ◽  
Steel Part ◽  
X Ray Diffraction ◽  
X Ray ◽  
Heat Treated ◽  
Near Net Shape

Abstract Selective laser melting (SLM) is an additive manufacturing technique that can be used to make the near-net-shape metal parts. M2 is a high-speed steel widely used in cutting tools, which is due to its high hardness of this steel. Conventionally, the hardening heat treatment process, including quenching and tempering, is conducted to achieve the high hardness for M2 wrought parts. It was debated if the hardening is needed for additively manufactured M2 parts. In the present work, the M2 steel part is fabricated by SLM. It is found that the hardness of as-fabricated M2 SLM parts is much lower than the hardened M2 wrought parts. The characterization was conducted including X-ray diffraction (XRD), optical microscopy, Scanning Electron Microscopy (SEM), and energy dispersive X-ray spectroscopy (EDS) to investigate the microstructure evolution of as-fabricated, quenched, and tempered M2 SLM part. The M2 wrought part was heat-treated simultaneously with the SLM part for comparison. It was found the hardness of M2 SLM part after heat treatment is increased and comparable to the wrought part. Both quenched and tempered M2 SLM and wrought parts have the same microstructure, while the size of the carbides in the wrought part is larger than that in the SLM part.

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.

CPM REX M4

Alloy Digest ◽  
1973 ◽  
Vol 22 (11) ◽  
Keyword(s):  
Wear Resistance ◽  
Physical Properties ◽  
High Speed ◽  
High Speed Steel ◽  
Heat Treating ◽  
High Wear Resistance ◽  
Excellent Quality ◽  
Metallurgy Process ◽  
Specialty Metals

Abstract CPM REX M4 is a special-purpose high-speed steel designed to give high wear resistance in tools. It is made exclusively by Crucible's particle metallurgy process which imparts excellent quality and grindability. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-264. Producer or source: Crucible Specialty Metals Division, Colt Industries.

REX M3S-2 and CPM REX M3S-2

Alloy Digest ◽  
1973 ◽  
Vol 22 (8) ◽  
Keyword(s):  
Grain Size ◽  
Physical Properties ◽  
Tool Steel ◽  
Abrasion Resistance ◽  
High Speed ◽  
Elevated Temperatures ◽  
Heat Treating ◽  
Quality Product ◽  
Metallurgy Process ◽  
Specialty Metals

Abstract REX M3S-2 is a sulfur-bearing high-speed tool steel offering very good abrasion resistance and resistance to softening at elevated temperatures. CPM REX M3S-2, produced by the Crucible Particle Metallurgy process, is an improved-quality product with finer grain size, better toughness and better grindability than the conventionally produced REX M3S-2. Other characteristics and properties of the two products are very similar (See General Characteristics for more details). This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-260. 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.

STARK

Alloy Digest ◽  
1985 ◽  
Vol 34 (5) ◽  
Keyword(s):  
Abrasion Resistance ◽  
High Speed ◽  
Cutting Tools ◽  
High Speed Steel ◽  
Heat Treating ◽  
Vanadium Content ◽  
High Carbon ◽  
Steel Company ◽  
Heat Treated ◽  
Very High

Abstract STARK is a super high-speed steel having a very high carbon and vanadium content for exceptional abrasion resistance. It is well suited for premium cutting tools of all types, particularly those used for machining abrasive alloys, castings and heat-treated materials. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-441. Producer or source: Latrobe Steel Company.

UNS T11310

Alloy Digest ◽  
1988 ◽  
Vol 37 (5) ◽  
Keyword(s):  
Physical Properties ◽  
Tensile Properties ◽  
Tool Steel ◽  
High Speed ◽  
Cutting Tools ◽  
High Speed Steel ◽  
Heat Treating ◽  
General Purpose ◽  
Steel Mills

Abstract UNS No. T11310 is the high vanadium type of molybdenum high-speed steel. It is a deep-hardening steel and offers high cutting ability and excellent finishing properties. It is a general-purpose steel for cutting tools and is used in such applications as taps, lathe tools and reamers. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on heat treating and machining. Filing Code: TS-490. Producer or source: Tool steel mills.

ELECTRITE COBALT

Alloy Digest ◽  
1960 ◽  
Vol 9 (2) ◽  
Keyword(s):  
Fracture Toughness ◽  
Physical Properties ◽  
High Speed ◽  
Cutting Tools ◽  
High Speed Steel ◽  
Heat Treating ◽  
Heavy Duty ◽  
Steel Company

Abstract ELECTRITE COBALT is a 5% cobalt type high-speed steel recommended for heavy duty cutting tools. 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-89. Producer or source: Latrobe Steel Company.

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