1 This specification is under the jurisdiction of ASTM Committee A01 on Steel, 2 For referenced ASTM standards, visit the ASTM website, , or. ASTM Aa(). Standard Specification for Tool Steel High Speed. standard by ASTM International, 03/01/ View all product details. Most Recent. ASTM A Standard Specification for High Speed Tool Steel.

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Anneal at F and slow furnace cool at 40 F per hour, or less.

M2 is classified as a “medium” machinability tool steel in the annealed condition. Link to Active This link will always route to the current Active version of the standard. Formed by machining or forging and then machining.

Do Not forge below F. See “Heat Treatment” and “Tempering”.

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.

Modulus of Elasticity Tension. Referenced Documents purchase separately The documents listed below are referenced within the subject standard adtm are not provided as part of the standard. 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 a6600.


ASTM A600 Grade M1 annealed

astmm Primarily used for cutting tools. Hardens by heat treatment and quenching. This abstract is a brief summary of the referenced standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. See “Forging” and consult the supplier for information on working at lower temperatures.

ASTM A Standard Specification for High Speed Tool Steel

Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required This material is stocked primarily in Bar Products axtm 28 distributors but is also available to a lesser extent in Flat Rolled Products, Wire Products, and Shapes.

Historical Version s – view previous versions of standard.

It may be shaped by grinding but is relatively poor in regard to capability of being ground. Then heat rapidly from F to F and hold for 3 to 5 minutes followed by quenching in oil, air or salt bath.

ASTM A600, Tool Steel High Speed

The maximum Brinell hardness and minimum Rockwell C hardness for the tool steels are given. 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.


Temper at F for a hardness of Rockwell C asttm to Cold working may be accomplished with the alloy in the annealed condition. Unless otherwise specified, material shall be made by an electric melting process. aztm

The M2 alloy has somewhat better wear resistance than M1. Selection will depend upon design, service conditions, and mechanical properties. Preheat at F before heating for hardening.

Two intermediate high speed tool steels designated as M50 and M52 are also covered. Forge at F down to F. Consult the alloy supplier for information on the advisability of welding.

Not applicable to this alloy.