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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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.
A superscript epsilon e indicates an editorial change since adtm last revision or reapproval. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Note 3 — This specification is the metric companion of Specification A 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 DC heat product 0.
Heat analysis Product analysis Titanium: Class 12 nuts in nominal thread diameters M42 and larger shall conform to dimensions for heavy hex nuts x563m in ANSI B Number of Nuts in Lot and under to to 22 Over 22 Number of Specimens 1 2 3 5 Originally approved in Others are not suitable.
Rejection and Rehearing When properly exposed to the atmosphere, these steels can be used bare uncoated for many applications. NOTE 5—Examples of ordering descriptions are: Heat analysis Product analysis Sulfur: Heat analysis Product analysis Phosphorus: C26 C26 C26 C26 C26 max Heat analysis Product analysis Sulfur: 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by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn.
Such nuts are suitable. With the written approval of the purchaser, the supplier may substitute as follows: Number of Tests 9. The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition see 5. This supplementary requirement shall in no way negate any requirement of the specification itself.
A, B, D, DH The two identications shall preferably be in different locations and, when on the same level, shall be separated by at least two spaces.
Heavy Hexagon Nuts ASTM AM
Class 9 nuts atm on one of the wrenching ats shall have the numeral 9 underlined. The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specication. When required, they are covered by the applicable bolt specification. Historical Version s – view previous versions of standard.
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Additional tests of individual shipments of material are not ordinarily contemplated. Selection of steel analysis shall be the option of the manufacturer. X563m 2— Proof loads are computed by multiplying proof load stress Table 3 by thread stress area and dividing by I Suitable nut class and style.
Additional tests of individual shipments of material are not ordinarily contemplated. A number in parentheses indicates the year of last reapproval.
Your adtm are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Heat analysis Product analysis Silicon: Heat analysis Product analysis Chromium: 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.
Asrm are a non-profit group that run this website to share documents. When the dimensional style of nut is not designated by the purchaser, hex nuts, Style 1, in conformance with ANSI B NOTE 7—The proof load of a nut is the axially applied load the nut must withstand without thread stripping or rupture. Heat analysis Product analysis Vanadium: Purchasers are cautioned to consider the dimensional requirements of the application when selecting the most appropriate nut. B70 B70 B70 B78 B Threads of nuts tapped after zinc coating 4.
This section may also include descriptions of the changes or reasons for the changes, or both. Heat analysis Product analysis Molybdenum: If you feel that your comments have not received a fair hearing you should make your views known to the 5a63m Committee on Standards, at the address axtm below.
When the dimensional style of the nut is not designated by the purchaser, hex nuts, Style 2, in conformance with ANSI B The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition see 5. Rejection should be reported to the producer or supplier promptly and in writing.
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. When individual marking is required, the mark shall be the grade letter symbol on one face of the nut.