ASTM A331 PDF

Kanos By continuing to use this website, you agree to their use. Tempering of carburized parts is done at to F and this will result in the alloy having a a strength of approximately ksi minimum with Rockwell C case hardness of Improved carburized case and core properties can be obtained by furnace cooling from carburizing at — F and then reheating to F. Hot working may be accomplished prior to hardening or carburizing. Not applicable to this alloy. Sign up for our Newsletter. Consult the alloy supplier for information as to temperatures.

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Comments Description Designation: A - 95 Reapproved An American National StandardStandard Specification for 1 Steel B a r s , Alloy, C o l d - F i n i s h e d This standard is issued under the fixed designation A ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. Ordering Information of grades and cross sections regarded as generally suitable for 3. Grades of steel are identified by 3. These shall 3. Referenced Documents 3. Materials and Manufacture for2 4.

The primary melting may incor- A Specification for Steel Bars, Alloy, Standard Grades2 porate separate degassing or refining and may be followed by A Practice for Steel Bars, Selection Guide, Composi- secondary melting using electroslag remelting or vacuum arc tion, and Mechanical Properties2 remelting.

Where secondary melting is employed, the heat E 45 Test Methods for Determining the Inclusion Content shall be defined as all of the ingots remelted from a single of Steel3 primary heat. Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee 4. Current edition approved Sept. Published November Originally 4. York, NY Cold Working Quality to mill tests and inspection and freedom from injurious surface imperfections to the extent that the bars shall be suitable for the Metallurgical Requirements and tested in accordance with this specification together with a 6.

Certification Std. For round bars produced 7. Chemical Composition 5. Nonmetallic Inclusion Requirement have adequate cold working characteristics. The quality requirements of cold plastic deformation such as. Within the limits of good manufacturing and 4. The grain structure shall be General Requirements 5. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised. United States. PO Box C Methods for determin- The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Q A Experience indicates that samples taken midway between the ing the nonmetallic inclusion content of steel are described in center and surface of the bloom. PA Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Users of this standard are expressly advised that determination of the validity of any such patent rights.

This standard is copyrighted by ASTM. West Conshohocken. For this reason. Your comments will receive careful consideration at a meeting of the responsible technical committee. The produced to inclusion rating. The test specimen is generally heated and quenched sulfide inclusions. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards.

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