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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Heat analysis Product analysis Silicon: We need your help! If you feel that your s563m have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Such nuts shall be tapped oversize to have internal threads asmt maximum 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: The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition see 6.
ASTM AM 碳合金钢螺母_百度文库
Hex jam nuts are not normally proof load tested. Materials and Manufacture 4.
NOTE 1—Throughout this specication, the term class means property class. Heat analysis Product analysis Molybdenum: The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specification.
Class 9 nuts marked on one of satm wrenching ats shall have the numeral 9 underlined. Committee F16 has identified the location of selected changes made to this standard since the last issue, A—04a, that may impact the use of this standard. Individual heats of steel are not identied in the nished product.
ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Threads of nuts tapped prior to zinc coating 4. Heat analysis Product analysis Sulfur: Class 10 nuts are made of carbon or alloy steel conforming to chemical composition requirements given in Table 1, and are heat treated as specied in 4.
Heat analysis Product analysis Vanadium: Individual heats of steel are not identified in the finished product. Committee F16 has identified the location of selected changes to this standard since the last issue A—07 that may impact the use of this standard.
When the dimensional style of nut is not designated by the purchaser, hex nuts, Style 1, in conformance with ANSI B When individual marking is required, the mark shall be the grade letter symbol on one face of the nut. Heat analysis Product analysis Sulfur: NOTE 7—The proof load of a nut is the axially applied load the nut must withstand without thread stripping or rupture.
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.
The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition. We are a non-profit group that run this website to share documents. DC asmt product 0. Materials and Manufacture 4. Heat analysis Product analysis Vanadium: Nickel or molybdenum may be used.
ASTM AM – 07() Standard Specification for Carbon and Alloy Steel Nuts (Metric)
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 a56m to necessitate overtapping the nut thread to provide assemblability.
The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specication. Last previous edition approved in as A M — For smaller quantities A Gr. A number in parentheses indicates the year of last reapproval. NOTE 9—If the over-tapping diametral allowance is greater than the limit specied in 7.
However, if markings are located on the bearing surface, they shall be depressed. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
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 This standard has been approved for use by agencies of the Department of Defense.
Selection of steel analysis shall be the option of the manufacturer. Please help us to share our service with your friends.
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. A min max 0. Astj 6—It is the intent of 4. Dimensional suitability of the nut for the intended application should be considered before approving substitution of a higher class.