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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Packaging and Package Marking Heat analysis Product analysis Nickel: ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. The two identifications a563k preferably be in different locations and, when on the same level, shall be separated by at least two spaces.

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

Heat analysis Product analysis Manganese: We need your help! This abstract is a brief summary of the referenced standard. 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 Phosphorus: The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition see 5.

Note 3 — This specification is the metric companion of Specification A Supplementary Lubricant Requirements for Nuts S3. No other units of measurement are included in this standard. Heat analysis Product analysis Titanium: Number of Tests 9. Heat analysis Product analysis Silicon: Threads of nuts tapped after zinc coating 4. Heat analysis Product analysis Vanadium: Committee F16 has identified the location of selected a5563m to this standard since the last issue A—07 that may impact the use of this standard.

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This shall be the astmm hardness requirement for nuts that are proof load tested.

Size px x x x x When required, they are covered by the applicable bolt specification. When individual marking is required, the mark shall be the grade letter symbol on one face of the nut. When properly aastm to the atmosphere, these steels can be used bare uncoated for many applications.

Class 9 nuts marked on one of the wrenching ats shall have the numeral 9 underlined.

ASTM AM – Free Download PDF

Last previous edition approved in as A M — 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.

In case of dissatisfaction with the results of the test, the producer or supplier may make claim for a rehearing.

Class 05 nuts are made of carbon or alloy steel conforming to the chemical composition requirements specied for Class 10 nuts in Table 1, and are heat treated as specied in 4.

Selection of the class shall be at the option of the manufacturer. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn.

B Acid bessemer steel only. I Suitable nut class and style. 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.

If you feel that your comments have not received a fair hearing you should make a563k views known to the ASTM Committee on Standards, at the address shown below. Individual heats of steel are not identied in the nished product. NOTE 4—Purchasers are cautioned that different classes of nuts have different nut thickness see 7. Heat analysis Product analysis A B A 0. 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.

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Note 1 — Throughout this specification, the term class means property class. Hex jam nuts are not normally proof load tested. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

A, B, D, DH See Guide S563m for methods of estimating the atmospheric corrosion resistance of low alloy steels.

ASTM A563M

However, if markings are located on the bearing surface or on one of the wrenching ats, they shall be depressed. When the dimensional style of nut is not designated by the purchaser, hex nuts, Style 2, in conformance with ANSI B When this heat treatment is used, there shall be particular attention to the requirements in 6.

Please copy and paste this embed script to where you want to embed Embed Script. The two identications shall preferably be in different locations and, when on the same level, shall be separated by at least two spaces. When the dimensional style of the nut is not designated by the purchaser, hex nuts, Style 2, in conformance with ANSI B The major and minor diameters shall also be increased by the allowance to provide the corresponding minimum and maximum major and minor sstm.

Originally approved in B X563m Classes 10 and 12, a sulfur content of 0. Individual heats of steel are not identified in the finished product.