ASTM A668 PDF

ASTM A668 PDF

ASTM A STANDARD SPECIFICATION FOR STEEL FORGINGS, CARBON AND ALLOY, FOR GENERAL INDUSTRIAL USE (AASHTO NO. M ). ASTM-A ASTM A is forging specification that covers untreated and heat- treated carbon and alloy steel forgings for general industrial use. ASTM A ASTM A, Carbon and Low Alloy Steel, Piping Components, LF1, , . ASTM A, Carbon Steel Forging, A (AH), , , , ,

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Common Forged Material Comparison Chart – Buford, GA – CAB Incorporated

Steel forgings shall also be tested on their conformance to the following tensile requirements: Maximum working loads have been aa668 with a design factor of 5: The maximum tap size U dimension shown a68 Table II is for reference purposes only and should be used only to determine the largest tap diameter the clevis may accommodate without considering the pin diameter.

These shall apply only when specified by the purchaser. Work Item s – proposed revisions of this standard. Other ASTM specifications for forgings are available for specific applications such as pressure vessels, railroad use, turbine generators, gearing, and others involving special temperature requirements. Working Loads Maximum working loads have been established with a design factor of 5: Nails, Spikes, and Staples.

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. Print 1 2 3 4 5 page sstarting from page current page. If this option is exercised, the class shall be identi?

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Rough Turning and Boring S3. Supplementary requirement S13 deleted. If inadequate, a larger diameter pin must be selected. However, the test depth shall not be nearer to one heat-treated surface than 3?

ASTM A668/A668M – 17

Special Forging Techniques S2. Steel specimens shall undergo heat and product analyses, and shall conform to required chemical compositions for manganese, phosphorus, and sulfur. Ordering Information and Qstm Requirements 4. Multiple retempering is not precluded by this requirement. 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 a6668.

A number in parentheses indicates the year of last reapproval.

ASTM A AM[1]_百度文库

The values stated in each system may x668 be exact equivalents; therefore, each system shall be used independently of the other. The pin must be investigated for bending. Link to Active This link will always route to the current Active version of the standard. These shall apply only when specified by the purchaser. Remember me for one month. The tensile properties shall conform to the requirements for the class of forgings ordered Class A.

Materials shall be forged by hot mechanical work.

Except for Class A, all forgings shall be heat treated, depending on class, by the following techniques: Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.

ASTM A668 Grade L Normalized, quenched, and tempered

Carbon Content for Welding S4. Red Flag This Post Please let us know here why this post is inappropriate. For untreated forgings Class A weighing less than lb [ kg] each, one test from each heat shall be made.

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Rough Forging Sketches A dimensioned sketch or drawing of the proposed rough forging shall be supplied by the producer for approval before the forging is produced. Steel forgings shall also be tested on their conformance to the following tensile requirements: If the purchaser desires Brinell testing of each forging, Supplementary Requirement S11 aatm be used.

This abstract is a brief summary of the referenced standard. Use Table I to select the proper combination of tap size and pin diameter for any given size of clevis.

Register now while it’s still free! Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Last previous edition approved in as A — Other ASTM specifications for forgings are available for specific applications such as pressure vessels, railroad use, turbine generators, gearing, and others involving special temperature requirements.

Historical Version s – view previous versions of standard. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors.

This standard has been approved for use by agencies of the Department of Defense. Enter your personal account email address to request a password reset: ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.