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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Are you an Engineering professional? Grade 3A Class D 0. Dimensions and Tolerance 9.

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

Download Now Defense manufacturing is all about project manufacturing and project accounting. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

A superscript epsilon e indicates an editorial change since aastm last revision or reapproval. So, first design the small diameter Pinions, Gears and Shafts per A, then choose a matching alloy in Table 1 of A for the large w291 ring gear.

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.

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.


Optional with manufacturer and purchaser. 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 specification covers normalized and tempered carbon steel, and liquid quenched and tempered alloy steel forgings for pinions, gears, and shafts for reduction gears. Astk 1 shall be air cooled while Grades 2 through 9 shall be liquid quenched.


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. It’s easy to join and it’s free.

Does it mean that regardless the thickness of my forgingI can satm estimate mechanical properties through the HB figures?

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors.

When vacuum carbon deoxidation is used, silicon maximum shall be 0. Historical Version s – view previous versions of standard. ASTM A establishes either a diameter or thickness range for the mechanical properties on table 3 for the different classes of steel.

Rough Turning adtm Boring S1. Click Here to join Eng-Tips and talk with other members! The last thing you want is to have a ring gear fail in service because you decided to cut cost.

The Eng-Tips staff will check this out and take appropriate action. Grade 8 Class I 0.

The hardness testing is a validation of heat treatment. ASTM International takes no position atm the validity of any patent rights asserted in connection with any item mentioned in this standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.


Am I correct if I say that the only difference between the 2 Stds. The specimens shall be machined and tested with minimum properties and test temperatures speci? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

ASTM A291 Grade 5

This abstract is a brief summary ast the referenced standard. Originally approved in Defense manufacturing is all about project manufacturing and project accounting.

Brinell hardness tests shall be made on prepared areas on the forgings after machining to the sizes ordered by the purchaser and after stress relieving if stress relieving is required. A — 03 Standard Speci? By joining you are opting in to receive e-mail.

Prior to heat treatment for mechanical properties testingasttm materials may undergo machining and boring, after which specimens shall be stress relieved. Tensile, impact and Brinell hardness tests shall be performed wherein forgings shall conform to the following mechanical properties: There is no estimating of mechanical properties.

In addition, a detailed drawing, sketch, or written description of the forging should be included with the inquiry or order. Join your peers on the Internet’s largest technical engineering professional community. Last previous edition approved in as A — Marking, Packaging, and Loading Specimens shall also conform to chemical requirements for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, copper, and aluminum.

Brinell Hardness testing is required 7. Hardness tests shall be performed at the quarter-face width of the tooth portion diameter.

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