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ASTM A600 - 92a(2010)

ASTM A600
Abstract

This specification covers seven tungsten-type (types T1, T2, T4, T5, T6, T8, and T15) and nineteen molybdenum-type high-speed steels (types M1, M2, M3, M4, M6, M7, M10, M30, M33, M34, M36, M41, M42, M43, M44, M46, M47, M48, and M62) in the form of annealed, hot-rolled bars, forgings, plate, sheet, or strip, and annealed, cold-finished bars or Forgings used primarily in the fabrication of tools. Two intermediate high speed Tool steels designated as M50 and M52 are also covered. Unless otherwise specified, material shall be made by an electric melting process. A chemical analysis of each heat of steel shall be made to determine the percentage of the elements specified (including carbon, manganese, phosphorus, sulfur, silicon, chromium, vanadium, tungsten, molybdenum, and cobalt) and these values shall conform to the requirements as to the prescribed chemical composition. Requirements for: (1) heat treatment such as austenitizing, quenching, and tempering, (2) hardness testing (3) macrostructure and macroetch Standard for porosity and ingot pattern, and (4) decarburization determination are detailed. The maximum Brinell hardness and minimum Rockwell C hardness for the Tool steels are given.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the Standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

 

1.1 This specification covers tungsten-type and molybdenum-type high-speed steels available as annealed, hot-rolled bars, forgings, plate, sheet, or strip, and annealed, cold-finished bars or Forgings used primarily in the fabrication of tools.

1.2 Seven types of tungsten high-speed tool steels designated T1, T2, etc., seventeen types of molybdenum high-speed Tool steels designated M1, M2, etc., and two intermediate high speed steels designated as M50 and M52 are covered. Selection will depend upon design, service conditions, and mechanical properties.

1.3 The term “high-speed steel” is described and its minimum requirements are covered in the Annex.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered Standard.

 

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the Standard.
ASTM Standards

A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A388/A388M Practice for Ultrasonic Examination of Steel Forgings
A561 Practice for Macroetch Testing of Tool steel Bars
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
E3 Guide for Preparation of Metallographic Specimens
E30 Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron
E45 Test Methods for Determining the Inclusion Content of Steel
E59 Practice for Sampling Steel and Iron for Determination of Chemical Composition

Military Standard

MIL-STD-163 Steel Mill Products, Preparation for Shipment and Storage

Federal Standards

Fed.Std.No.183 Continuous Identification Marking of Iron and Steel Products


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Index Terms

 

high speed; tool steel; High speed tool steel; Molybdenum--specifications; Molybdenum high-speed tool steel; Steel forgings--specifications; Steel Forgings (tool steel); Steel plate--specifications; Steel sheet--specifications; Steel strip; tool steel--specifications; Tungsten high-speed Tool steel;

 

 

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ICS Code

 

ICS Number Code 77.140.10 (Heat-treatable steels)

 

 

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DOI: 10.1520/A0600-92AR10

ASTM International is a member of CrossRef.

 

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ASTM A600 (Steel Standards)




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