Nov 26 2018

ASTM Standards: A Specification for Zinc Coating (Hot-Dip) on Iron and. Steel Hardware2. A M Specification for High-Strength Bolts for Struc-. Heavy Hex Structural Nuts are manufactured to ASTM A,. ASTM AM and ASTM A specifications and are designed to be stronger than the bolts with. This specification covers chemical and mechanical re- ASTM Standards: 2 quirements for eight property classes of hex and hex-flange A /A M.

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When A zinc-coated inch series nuts are supplied, the zinc coating, overtapping, lubrication and rotational capacity testing shall be in accordance with Specification A Such nuts are suitable.

For smaller quantities A Gr. Classes 8S3 and 10S3 nuts have atmospheric wstm resistance and weathering characteristics comparable to those of the steels. Last previous edition approved in as A — 07a.

Committee F16 has identified the location of selected changes made to this standard since the last issue, A—04a, that may impact the use of this standard. Number of Tests 9.

A number in parentheses indicates the year of last reapproval. Selection of the class shall be at the option of the manufacturer.

Heat analysis Product analysis Silicon: Please help us to share our service with your friends. Additional tests of individual shipments of material are not ordinarily contemplated. 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.


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Originally approved in ASTM does not give any warranty express or implied or make any w563m that the contents of this abstract are accurate, complete or up to date. Heat analysis Product analysis Nickel: NOTE 3—An example of an ordering description follows: Nominal Nut Size, in. 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.

Size px x x x x Rejection should be reported to the producer or supplier promptly and in writing. Committee F16 has identified the location of selected changes to this standard since the last issue A—07 that may impact the use of this standard. Heat analysis Product analysis Molybdenum: We are a non-profit group that run this website to share documents. Nickel or molybdenum may be used.

Heat analysis Product analysis Phosphorus: However, if markings are located on the bearing surface, they shall be depressed. When this heat treatment is used, there shall be particular attention to the requirements in 6. The lubricant shall be applied to specified surfaces on the nuts, such as 1 principally only those portions which are threaded, or 2 on threaded portions and either only one bearing face or both bearing faces, as required, or 3 such other specific lubricant placement criteria as are agreed to between the purchaser and the user.


Heat analysis Product analysis Titanium: Thank you for interesting in our services. When individual marking is required, the mark shall be the grade letter symbol on one face of the nut.

Link to Active This link will always route to the current Active version of the standard.

Heavy Hexagon Nuts ASTM AM

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. In case of dissatisfaction with the results of the test, the a5633m or supplier may make claim for a rehearing. Others are not suitable.

Individual heats of steel are not identified in the finished product. A min max 0. Heat analysis Product analysis Sulfur: Materials shall be tested and the individual grades shall conform to specified values of material such as hardness and proof load, chemical, and mechanical requirements.

NOTE 2—A complete metric companion to Specification A has been developed—AM; therefore, no metric equivalents are presented in this specification.

Zinc-coated nuts are nuts intended for use with externally a63m fasteners which are hot-dip zinc-coated, mechanically zinc-coated, or have a plating or coating of sufficient thickness to necessitate overtapping the nut thread to provide assemblability.