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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Heat analysis Product analysis Manganese: Materials shall be tested and the individual grades shall conform to specified values of material such as hardness and proof wstm, chemical, and mechanical requirements.

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


Historical Version s – view previous versions of standard. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

E Non-zinc-coated nuts are nuts intended for use with externally threaded fasteners, which have a plain nonplated or noncoated finish or a have a plating or coating of insufficient thickness to necessitate overtapping the nut thread to provide assembiability. Please help us to share our service with your friends. Work Item s – proposed revisions of this standard.

When this heat treatment is used, there shall be particular attention to the requirements in 6. Plain Uncoated Nuts 7. Such nuts are suitable. Current edition approved April 1, Individual heats of steel are not identified in the finished product.

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Please fill this form, we will try to respond as soon as possible. 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, astmm 3 such other specific lubricant placement criteria as are agreed to between the purchaser and the user.

If you feel that your comments a563j not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. C3 nuts may be made of any of the above listed material classes. Nickel or molybdenum may be used. See Guide G for methods of estimating the atmospheric corrosion resistance of low alloy steels.

ASTM AM – 07() Standard Specification for Carbon and Alloy Steel Nuts (Metric)

Heat analysis Product analysis Molybdenum: We need your help to maintenance this website. Materials and Manufacture 4. The major and minor diameters shall a5563m be increased by the allowance to provide the corresponding minimum and maximum major and minor diameters.

We need your help! 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.

Heat analysis Product analysis Nickel: Heat analysis Product analysis Phosphorus: A, B, Astj, DH C, to Specification F This abstract is a brief summary of the referenced standard.


Note 3 — This specification is the metric companion of Specification A In case of dissatisfaction with the results of the test, the producer or supplier may make claim for a rehearing.

Originally approved in Note 1 — Throughout this specification, the term class means property class. Committee F16 has identified the location of selected changes to this standard since the last issue A—07 atm may impact the use of this standard. When individual asm is required, the mark shall be the grade letter symbol on one face of the nut.

When properly exposed to the atmosphere, these steels can be used bare uncoated for many applications.

NOTE 2—A complete metric companion to Specification A has been developed—AM; therefore, no metric a563, are presented in this specification. Heat analysis Product analysis Sulfur: Zinc-coated nuts are nuts intended for use with externally threaded fasteners which are not hot-dip zinc-coated, mechanically zinc-coated, or have a plating or coating of sufficient thickness to necessitate overtapping the nut thread to provide assembiability.

Specification F, or otherwise hot-dip coated, shall be tapped oversize by a diametral amount sufficient to permit assembly on the coated bolt thread, unless astmm requirements are specified in the inquiry or purchase order.

Details of these supplementary requirements shall be agreed upon in writing between the manufacturer and purchaser.

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