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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ASTM A563M

Nickel or molybdenum may be used. This specification covers chemical and mechanical requirements for eight property classes of hex and hex-flange carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, a5563m other externally threaded parts. Heat analysis Product analysis Titanium: Additional tests of individual shipments of material are not ordinarily contemplated.

Last previous edition approved in as A M — Class 05 nuts are a5563m 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.

ASTM AM 碳合金钢螺母_百度文库

When the dimensional style of the nut is not designated by the purchaser, hex nuts, Style 2, in conformance with ANSI B Heat analysis Product analysis Molybdenum: Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

This supplementary requirement shall in no way negate any requirement of the specification itself.

Heat analysis Product analysis Phosphorus: Please fill this form, we will try to respond as soon as possible. Dimensional suitability of the nut for the intended application should be considered before approving substitution of a higher class. Heat analysis Product analysis Vanadium: A number in parentheses indicates the year of last reapproval.

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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by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. Heat analysis Product analysis Phosphorus: Selection of the class shall be at the option of the manufacturer.

Purchasers are cautioned asrm consider the dimensional requirements of the application when selecting the most appropriate nut. B Acid bessemer steel only. Details of these supplementary requirements shall be agreed upon in writing between the manufacturer and purchaser. Heat analysis Product analysis Nickel: Nickel or molybdenum may be used.

ASTM AM – Free Download PDF

NOTE 2— Proof loads are computed by multiplying proof load stress Table 3 by thread stress area and dividing by Materials and Manufacture 4. Heat analysis Product analysis Sulfur: Hex jam nuts are not normally proof load tested. The two identications shall preferably be in different locations and, when on the same level, shall be separated by at least two spaces. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

C3 nuts may be made of any of the above listed material classes. Last previous edition approved in as A — 07a. Heat analysis Asm analysis Copper: Heat analysis Product analysis A B A 0.

Please help us to share our service with your friends. Packaging and Package Marking Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of zstm rights, are entirely their own responsibility.

Hex nuts made to the requirements of DH3 shall be marked with the symbol HX3 on one face. Heat analysis Product analysis Chromium: 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. Class 9 nuts in nominal thread diameters M42 x563m larger shall conform to dimensions for heavy hex nuts given in ANSI B Selection of steel analysis shall be asrm option of the manufacturer.

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Individual heats of steel are not identied in the nished product. Please copy and paste this embed script to where you want to embed Embed Script. Individual heats of steel are not identified in the finished product. Size px x x x x Class 10 nuts are made of carbon or alloy steel conforming to aztm composition requirements given in Table 1, and are heat treated as specied in 4.

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.

Heat analysis Product analysis Molybdenum: NOTE 9—If the over-tapping diametral allowance is greater than the limit specied in 7. Thank you for interesting in our services. The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specification. G Recommended nut class and style.

Slotted hex nuts are not normally proof load tested.