CIRCLE C (AISI T5) tool steel combines increased wear resistance from higher vanadium and carbon contents with higher red hardness due to 8 to 9% cobalt content. This datasheet provides information on composition and hardness as well as fracture toughness, and deformation. It also includes information on wear resistance as well as heat treating and machining. Filing Code: TS-502. Producer or source: Teledyne Vasco.

Crucible CPM Rex 54 HS is a cobalt-bearing high speed tool steel that is produced by the proprietary Crucible Particle Metallurgy (CPM) process. It combines the wear properties of the popular high vanadium M4 grade with the red hardness of the cobalt-bearing M35/Crucible CPM Rex 45 HS grades. Crucible CPM Rex 54 HS may be used as an upgrade for improved red hardness over M3 or M4 without giving up the abrasion resistance, or as an upgrade for improved wear resistance over M35 or Crucible CPM Rex 45 HS without giving up the red hardness. 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 surface treatment. Filing Code: TS-818. Producer or source: Crucible Industries LLC.

FAGERSTA WKE-45 is a tungsten-molybdenum high-speed steel containing 11% cobalt. It has greater red hardness and more wear resistance than almost any other high-speed steel and has adequate (medium) toughness. It is used mainly for lathe tools (for example, tool bits) where maximum wear resistance and red hardness are required. It is particularly suitable for working very hard and wear-inducing materials, including stainless steels. This datasheet provides information on composition and hardness. It also includes information on forming, heat treating, and machining. Filing Code: TS-317. Producer or source: Fagersta Steels Inc..

AISI Type T5 is a tungsten high-speed steel to which cobalt (8.9%) is added to provide high and unusual red hardness. It is particularly well adapted for heavy-duty cutting and high-production cutting tools. Because of its high red hardness, a cutting edge can be maintained under conditions of speed, feed and depth of cut that would not be possible with ordinary high-speed steels. Typical applications of AISI Type T5 are lathe and planer tools, reamers, milling cutters and twist drills for heavy-duty cutting. This datasheet provides information on composition, physical properties, and hardness. It also includes information on forming, heat treating, machining, and surface treatment. Filing Code: TS-389. Producer or source: Tool steel mills.

RED CUT COBALT steel is made by adding 5% cobalt to the conventional 18% tungsten -4% chromium-1% vanadium high-speed steel. Cobalt increases hot or red hardness and thus enables the tool to maintain a higher hardness at elevated temperatures. This steel is best adapted for hogging cuts or where the temperature of the cutting point of the tool in increased greatly. It is well adapted for tools to be used for reaming cast-iron engine cylinders, turning alloy steel or cast iron and cutting nonferrous alloys at high speeds. This datasheet provides information on composition, physical properties, and hardness as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-367. Producer or source: Teledyne Vasco.

RED CUT SUPERIOR J is a tungsten-type of hot-work tool and die steel; in fact, it is the 18 tungsten-4 chromium-1 vanadium high-speed composition with carbon lowered to provide more toughness. It is characterized by high red hardness and good resistance to abrasion. It is recommended for applichations in which hardness must be maintained at elevated temperatures. 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-410. Producer or source: Teledyne Vasco.

PEERLESS-A is a low carbon, medium tungsten hot work steel which possesses excellent red hardness. It is used in those applications where the tool operates a dull red heat. It conforms to AISI Type H21, SAE Type H21. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on high temperature performance as well as forming, heat treating, and machining. Filing Code: TS-85. Producer or source: Crucible Steel Company of America.

ELECTRITE DYNACUT has a composition that enables it to attain higher hardnesses than previously obtainable in high-speed steel by normal heat treatment. This high hardness in combination with high cobalt content imparts an optimum balance between wear resistance and red hardness. It is recommended for applications involving long production runs or heavy-duty machining. This datasheet provides information on composition and hardness. It also includes information on high temperature performance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: TS-277. Producer or source: Latrobe Steel Company.

AL Tech Super LMW-Extra is high-molybdenum high-speed steel containing 8.25% cobalt to improved red hardness. It is most useful for cutting-tool applications in which wear resistance and high-temperature hardness are important properties. This grade should not be use where excessive shock or chatter are encountered. Super LMW-Extra is well suited to applications such as machining hard and heat-treated materials and machining both ferrous and nonferrous aircraft alloys. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on high temperature performance as well as heat treating and machining. Filing Code: TS-388. Producer or source: AL Tech Specialty Steel Corporation.

AISI Type T4 is made by adding 5% cobalt to the conventional 18% tungsten-4% chromium-1% vanadium (AISI Type T1) tool steel. The cobalt dissolves in the ferrite and strengthens the matrix of the steel whereas the other alloying elements form carbides. Thus the cobalt increases the hot or red hardness, thereby enabling the tool to maintain a higher hardness at elevated temperatures. Type T4 is well adapted for cutting hard, gritty materials such as cast iron or other abrasive materials and for cutting nonferrous alloys at high speeds. This datasheet provides information on composition, physical properties, and hardness as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-395. Producer or source: Tool steel mills.

AISI Type M33 is a heavy-duty high-speed steel; it contains 8.00% cobalt to improved red hardness. It is recommended for cutting-tool applications in which wear resistance and high temperature hardness are important characteristics. It should not be used where excessive shock and/or chatter are encountered. AISI Type M33 is well suited to uses such as machining hard and heat-treated materials and machining both ferrous and nonferrous aircraft alloys. 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-402. Producer or source: Tool steel mills.

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 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 hardness is approximately 350-400 HB, and maximum hardness is approximately 72 HRC. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity as well as fracture toughness. It also includes information on high temperature performance and wear resistance as well as heat treating and surface treatment. Filing Code: TS-591. Producer or source: Crucible.

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.

ELECTRITE CO-6 is a high-speed steel of the 6 molybdenum-6 tungsten type to which 9% cobalt has been added. This cobalt addition increases the red hardness and permits a retention of greater cutting hardness at elevated temperatures. It is designated as SAE-M36 and AISI Type M36. 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-35. Producer or source: Latrobe Steel Company. Originally published July 1955, revised June 1963.

WALLEX No. 40 is a self-fluxing, cobalt-base hard-surfacing alloy with excellent resistance to a combination of corrosion and abrasion and relatively good impact properties. It has excellent red hardness and weldability. It is supplied only as atomized powder for application with Wall Colmonoy's SPRAYWELD and FUSEWELD processes. This datasheet provides information on composition, physical properties, hardness, elasticity, and compressive strength as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and powder metal forms. Filing Code: Co-74. Producer or source: Wall Colmonoy Corporation.

WALLEX No. 50 is a hard-surfacing alloy with excellent resistance to a combination of abrasion and corrosion. It has good red hardness and excellent weldability. It is supplied as an atomized powder for application with Wall Colmonoy's SPRAY-WELD Process. This datasheet provides information on composition, physical properties, hardness, elasticity, and compressive strength as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and powder metal forms. Filing Code: Co-71. Producer or source: Wall Colmonoy Corporation.

AISI Type H26 hot-work tool steel is the 18 tungsten-4 chromium-1 vanadium high-speed composition with lowered carbon to provide a high-degree of toughness. It has high red hardness and good resistance to abrasion. It is preferable to the conventional hot-work tool steels for applications in which higher hardness must be maintained at elevated temperatures. It is also recommended in cold-work that involve long runs, but should not be used where liquid cooling 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-294. Producer or source: Tool steel mills.

Panther 5 is a 5% cobalt, high-carbon, high-vanadium, tungsten high-speed steel. Because of its excellent red hardness, higher cutting speeds can be used with Panther 5 than with the regular high-speed steels. Heat treating Panther 5 to its maximum hardness will provide long tool life. 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-301. Producer or source: Allegheny Ludlum Corporation.

VASCO M-33 is a high-molybdenum high-speed steel containing 8% cobalt which contributes materially to the superior red hardness of the steel. It is recommended highly for tools that require the optimum combination of high-temperature hardness, resistance to wear and cutting edge strength and retention. Typical applications for VASCO M-33 include broaches, end mills, lathe tools and 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-413. Producer or source: Teledyne Vasco.