ASTM A991 PDF

ASTM A – Designation: A /A M – 98 (Reapproved ) Standard Test Method for Conducti. Purchase your copy of ASTM A/AM – 17 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. This standard is issued under the fixed designation A/AM; the number This test method is under the jurisdiction of ASTM Committee A01 on Steel, 2.

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The working zone may be comprised of one or more heating zones in the furnace.

Starting time and chart speed shall be marked on the original temperature charts, 8. The values stated in each system are not exact equivalents; therefore, each system is to be used independently of the other, without combining values in any way. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Survey documentation requirements, and the procedure used to subsequently establish the furnace working zone, are defined in this test method.

Current edition approved Oct. Link to Active This link will always route to the current Active version of the standard. Combining values from the two systems may result in non-conformance with the standard.

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All other conditions described in 6. In each test, determine the temperature variation pattern at one or more of the test locations. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

For proposed working zones greater than, or equal to, 12 in.

Interpretation of Results and Establishment of the Working Zone 9. This method is used to determine the capability of the furnace to meet the permissible temperature variation speci?

Use of representative material to simulate product during survey is permitted. Documentation of Survey Results 8. Referenced Documents purchase separately The documents listed below are referenced within the subject standard a91 are not provided as part of the standard. The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon by the purchaser and supplier.

ASTM International – Standard References for ASTM A / AM – 17

Calibration to such national standards shall be done at least once every two years. Individual reprints single or multiple copies of aastm standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon by the purchaser and supplier.

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A number in parentheses indicates the year of last reapproval. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This method is used to determine the capability of the furnace to meet the permissible temperature variation specified in the applicable product specification, or as agreed to by the purchaser and supplier of heat treat services. Results of aatm application of this test method shall be expressed as a variation from a temperature set point.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Within the text, the SI units are shown in brackets. Regardless of heat treat furnace type, or processing cycle, it may be necessary for zstm to know the temperature uniformity in the furnace and whether the material is processed in a zone within the furnace that is capable of meeting the applicable permissible temperature variation requirements.

ASTM A991/A991M – 17

The rate of conveyance shall be representative of normal operating conditions. Furnace Survey Equipment 5. Historical Version s – view previous versions of standard.

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