ASTM A291 PDF

A – 02 Standard Specification for Steel Forgings, Carbon and Alloy, for Pinions, Gears and Shafts for Reduction Gears, alloy steel forgings, carbon steel . ASTM A/AM: Standard Specification for Steel Forgings, Carbon and Alloy , for Pinions, Gears and Shafts for Reduction Gears. ASTM A Standard Specification for Steel Forgings, Carbon and Alloy, For Pinions, Gears and Shafts. Uploaded by medialeon. ASTM A Standard.

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A — 03 Standard Speci? A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or axtm.

Welding technique is of fundamental importance and it is presupposed that welding procedure and inspection shall be in accordance with approved methods for the class of material used. The values given in parentheses are for information only. In addition, a detailed drawing, sketch, or written description of the forging should be included with the inquiry or order. Current edition approved Apr.

Originally approved in Last previous axtm approved in as A — The forgings shall be heated to a suitable temperature for a sufficient length of time for austenitization and shall be suitably cooled to bring about complete transformation. Grade 1 shall be air cooled while Grades 2 through 9 shall be liquid quenched.

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Minimum tempering temperatures shall be as follows: When impact tests are speci? When agreed upon between the manufacturer and the purchaser, forgings weighing less than lb kg each rough-machined weight may be tested in lots; the astmm of forgings to make up a lot shall be by mutual agreement.

The nominal or speci?

The axis of the tangential test specimen shall be located as near to the surface of the forging as practicable. Brinell hardness tests shall be made on prepared areas on the asrm after machining to the sizes 2a91 by the purchaser and after stress relieving if stress relieving is required. On each forging under 8 in. Hardness tests shall be performed at the quarter-face width of the tooth portion diameter. Dimensions and Tolerance 9. Grade 3A Class D 0.

Grade 8 Class I 0. When vacuum carbon deoxidation is used, silicon maximum shall be 0.

Optional with manufacturer and purchaser. Brinell Hardness Number Range to to Grade Class Tensile Strength, min psi 85 80 95 95 95 MPa Charpy V-notch 3, 3A C, D Marking, Packaging, and Loading The purchaser may indicate the desired location of such identi? Rough Turning and Boring S1. The specimens shall be machined a21 tested with minimum properties and test temperatures speci?

ASTM A X ASTM A – Metal and Metallurgy engineering – Eng-Tips

Committee A01 has identi? ASTM International takes no position respecting the validity of any patent rights asserted in connection ast, any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of asm of such rights, are entirely their own responsibility.

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

ASTM A291 Grade 5

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 should 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.

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