ASTM A/AM()e1. Standard Specification for Martensitic Stainless Steel Bars for High-Temperature Service. standard by ASTM. See the chemical composition and physical properties of ASTM A Grade S hot-rolled, find alternative materials, and connect with suppliers. See the chemical composition and physical properties of ASTM A Grade tempered, find alternative materials, and connect with suppliers.

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ASTM A565 Grade 616 tempered

A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the Department of Defense. The mechanical properties are developed by suitable heat treatment, as indicated for each alloy. The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may s565 be exact equivalents; therefore, each system shall be used independently of the other.

Combining values from the two systems may result in nonconformance with the speci? Current edition approved May 1, Originally approved in Last previous edition astj in as A — 05a. Such requirements may include, but are not limited to, aastm following: Failure to comply with the general requirements of Speci?

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ASTM A Martensitic Stainless Steel Bars_百度文库

In case of con? Visual examination for the volume fraction of delta ferrite of various representative areas of examination is acceptable.

When the visual estimation method indicates the delta ferrite content is greater than the allowed limit, the manufacturer may employ Test Method E for determining the acceptability of the lot. Mechanical Properties Requirements 8. Rupture must occur in the smooth section of each test specimen.

The test may be discontinued after the time speci? NOTE 2—Air or oil quenching depends on section size; heavier sections, approximately 3 in.

Suitable synthetic quenchants may be substituted for oil.

For sections greater than 30 in. C Hardness taken at the surface for control purposes only. For acceptance purposes, tensile properties govern.

Time to rupture, h, min [] 33 [] 25 so notes. Stress rupture testing is not required on bars less than 1? Details of these supplementary requirements shall be agreed upon by the manufacturer and purchaser. The method used shall be: For UT or ET, reject levels for linear indications shall be based on the alarm response from a 0.

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The maximum size of individual grains, distributed at random, shall be a 2. When the average grain size is 5 or? Grain size determination shall be performed in accordance with Test Methods E 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.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you aztm make your views known to the ASTM Committee on Standards, at the address shown below.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.