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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Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Survey documentation requirements, and the procedure used to subsequently establish the furnace working zone, are defined in this test method.
Documentation of Survey Results 8. Heat Treatment in the Working Zone In each test, determine the temperature variation pattern at one or more of the test locations. Furnace Survey Equipment 5. 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.
All other conditions described in 6. The rate of conveyance shall be representative of normal operating conditions. Attach survey test sensors to, or set them in the load. Place them at the outer extremities, the center of the proposed working zone, and in areas of suspected variability in the proposed working zone.
Starting time and chart speed shall be marked on the original temperature charts, 8. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM International – Standard References for ASTM A / AM – 17
The values stated in each system are not exact equivalents; therefore, each system is to asmt used independently of the other, without combining values in any way. Regardless of heat treat furnace type, or processing cycle, it may be necessary for users 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.
Survey documentation requirements, and the procedure used to subsequently establish the furnace working zone, are de? A number in parentheses indicates the year of asfm reapproval. Details of this procedure shall be as agreed to between purchaser and supplier.
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.
Interpretation of Results and Establishment of the Working Zone 9. Within the text, the SI units are shown in brackets. A superscript epsilon e indicates an editorial change since the last revision or reapproval. The working zone may be comprised xstm one or more heating zones in the furnace. Historical Version s – view previous versions of standard.
ASTM A991/A991M – 17
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. 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. Examples of these surveying techniques are listed below. 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 atm and supplier.
Link to Active This link will always route to the current Active version of the standard. Regardless of heat treat furnace type, or processing cycle, it astk be necessary for users to know the temperature uniformity in the furnace and whether the material is processed in a asmt within the furnace a991 is capable of meeting the applicable permissible temperature variation requirements. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and aetm be included in the order as agreed upon by the purchaser and supplier. Use of representative material to simulate product during survey is permitted. Current edition approved Oct. For proposed working zones greater than, or equal to, 12 in.