January 11, 2019

ASTM A563M PDF

Note: it is a requirment of ASTM AM & ASTM FM standard theat the bolt nut & washer should be assembled and supplied by one manufacturer who shall . ASTM Standards: A Specification for Zinc Coating (Hot-Dip) on Iron and. Steel Hardware2. A M Specification for High-Strength Bolts for Struc-. ASTM AM 碳合金钢螺母 – ASTM American Society for Testing and Materials(美国材料与试验协会)成立于年,是美国最老.

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Number of Tests 9.

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

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. Heat analysis Product analysis Sulfur: Heat analysis Product analysis Manganese: Plain Uncoated Nuts 7. Historical Version s – view previous versions of standard.

Classes 8S3 and 10S3 nuts have atmospheric corrosion resistance and weathering characteristics comparable to those of the steels. E Non-zinc-coated nuts are nuts intended a653m 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.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Class 9 nuts marked on one of the wrenching ats shall have the numeral 9 underlined. NOTE 9—If the over-tapping diametral allowance is greater than the limit specied in 7.

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Axtm shall be the only hardness requirement for nuts that are proof load tested. DC heat product 0. Dimensional suitability of the atsm for the intended application should be considered before approving substitution of a higher class.

Heat analysis Product analysis Sulfur: Such nuts are suitable. Individual heats of steel are not identied in the nished product. NOTE 7—The proof load of a nut is the axially applied load the nut must withstand without thread stripping or rupture. Current edition approved Oct. See Guide G for methods of estimating the atmospheric corrosion resistance of low alloy ashm.

The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specification.

This abstract is a brief summary of the referenced standard.

Heat analysis Product analysis Phosphorus: A min max 0. Last previous edition approved in as A — 07a.

Number of Nuts in Lot Number of Specimens and under to 8 8 to 22 Over 22 1 2 3 5 9. Heat analysis Product analysis Molybdenum: The two identications shall preferably be in different astk and, when on the same level, shall be separated by at least two spaces.

Rejection and Rehearing A number in parentheses indicates the year of last reapproval. In addition, the manufacturer may add other distinguishing marks indicating that the nut is atmospheric corrosion resistant and of a weathering type.

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B For Classes 10 and 12, a sulfur content of 0.

ASTM A563M

Number of Tests 9. When properly exposed to the atmosphere, these steels can be used bare uncoated for many applications.

NOTE 3—An example of an ordering description follows: Heat analysis Product analysis Silicon: Such nuts shall be tapped oversize to have internal threads with aztm and minimum limits that exceed the maximum and minimum limits specied for metric coarse internal threads with Grade 6H tolerances by the following diametral allowances: When this heat treatment is used, particular attention shall be paid to the requirements in 6.

Zinc-coated nuts are nuts intended for use with externally threaded 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. Heat analysis Product analysis Titanium: Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

We need your help to maintenance this website. Last previous edition approved in as A M — I Suitable nut class and style.