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CPM REX 20

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Journal Articles
Alloy Digest (1982) 31 (5): TS-398.
Published: 01 May 1982
... 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...
Journal Articles
Alloy Digest (2006) 55 (11): TS-304.
Published: 01 November 2006
... that can be heat treated to very high hardness levels. It is made by the Crucible Particle Metallurgy (CPM) process. This revision updates chemistry for machinability in heavy cross sections, heat treat temperatures and response, and contains new bend fracture strengths. Crucible, CPM, Rex, 20, 45, 54...
Journal Articles
Alloy Digest (2004) 53 (11): TS-608.
Published: 01 November 2004
... 8.14 Density, kg/m3 (lb/in.3 ) 8144 (0.294) Coefficient of linear thermal expansion, 10 6/K (10 6/°F) 20 260 °C (68 500 °F) 11.5 (6.4) 20 425 °C (68 800 °F) 11.8 (6.6) 20 540 °C (68 1000 °F) 12.1 (6.7) Mechanical Properties: Modulus of elasticity, GPa (106 psi) 207 (30) The wear resistance of CPM Rex...
Journal Articles
Alloy Digest (2006) 55 (12): TS-639.
Published: 01 December 2006
...-vanadium high-speed tool steel made by the Crucible particle metallurgy (CPM) process. This higher- carbon modification of M4 (See Alloy Digest TS-264) has high hardening. It also comes with a high-sulfur modification for large cross-section pieces to ease machinability. Crucible, CPM, Rex, 20, 45, 54, 76...
Journal Articles
Alloy Digest (1995) 44 (1): TS-534.
Published: 01 January 1995
... CPM REX 45 is an 8% cobalt high-speed steel which has excellent hot hardness along with good wear resistance and toughness, making it suitable for difficult machining applications. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity as...
Journal Articles
Alloy Digest (2001) 50 (10): TS-591.
Published: 01 October 2001
... CPM Rex 121 is a super high-speed steel with significantly higher wear resistance and red hardness than other high-speed steels. It is best suited for applications requiring high cutting speeds. It may provide an alternative to carbide where carbide cutting edges are too fragile. The annealed...
Journal Articles
Alloy Digest (2007) 56 (3): TS-249.
Published: 01 March 2007
... the toughness of the tool. Physical Properties: Specific gravity 8.19 Density, kg/m3 (lb/in.3) 8193 (0.296) Coefficient of linear thermal expansion, 10 6/K (10 6/°F) 20 260 °C (70 500 °F) 9.9 (5.5) 20 425 °C (70 800 °F) 11.0 (6.1) 20 540 °C (70 1000 °F) 11.5 (6.4) CRUCIBLE CPM® REX® T15 (HS) Filing...
Journal Articles
Alloy Digest (2012) 61 (6): TS-704.
Published: 01 June 2012
... Crucible CPM Rex 66 is a high-speed tool steel of the tungsten type made by the CPM process. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity. It also includes information on heat treating and machining. Filing Code: TS-704. Producer...
Journal Articles
Alloy Digest (2011) 60 (5): TS-698.
Published: 01 May 2011
... Crucible CPM Rex 86 is a high speed tool steel made by the CPM process. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity. It also includes information on wear resistance as well as heat treating and machining. Filing Code: TS-698...
Journal Articles
Alloy Digest (2001) 50 (12): TS-595.
Published: 01 December 2001
... Crucible CPM REX M35HCHS is a modification of the AISI M2 high-speed steel by an addition of cobalt and produced by powder metallurgy to be homogeneous with good toughness. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity. It also...
Journal Articles
Alloy Digest (1973) 22 (4): TS-252.
Published: 01 April 1973
... 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...
Journal Articles
Alloy Digest (1980) 29 (7): TS-365.
Published: 01 July 1980
... 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...
Journal Articles
Alloy Digest (2010) 59 (10): TS-693.
Published: 01 October 2010
... CPM REX M3-1 is a modification of M3-2 with lower carbon and vanadium. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on surface qualities as well as forming, heat treating, and machining. Filing Code: TS-693...
Journal Articles
Alloy Digest (2006) 55 (1): TS-626.
Published: 01 January 2006
... Corporation. DOI: 10.31399/asm.ad.ts0626 hardness and heat treatment response. In addition, the alloy provides good toughness and excellent abrasion resistance. The alloy is equivalent in hardness, heat treating response, and wear resistance to CPM REX 20. Many of the benefits realized in the use of Micro...