ASTM F436M-2010 Standard Specification for Hardened Steel Washers [Metric]《淬火钢垫圈标准规范[米制单位]》.pdf
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1、Designation: F436M 10Standard Specification forHardened Steel Washers (Metric)1This standard is issued under the fixed designation F436M; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parent
2、heses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers the chemical, mechanical, anddimensional re
3、quirements for metric hardened steel washersfor use with fasteners having nominal thread diameters M12through M100. These washers are intended for general-purposemechanical and structural use with bolts, nuts, studs, and otherinternally and externally threaded fasteners. These washers aresuitable fo
4、r use with fasteners covered in SpecificationsA325M, A490M, A563Mand with fasteners of SpecificationF568M property classes 8.8 and higher.1.2 The types of washers covered in this specification are:1.2.1 Type 1Washers made of carbon steel.1.2.2 Type 3Washers made of steel having atmosphericcorrosion
5、resistance and weathering characteristics comparableto that of steels covered in Specifications A242/A242M,A588/A588M, and A709/A709M. The atmospheric corrosionresistance of these steels is substantially better than that ofcarbon steel with or without copper addition. See 5.1. Whenproperly exposed t
6、o the atmosphere, these steels can be usedbare (uncoated) for many applications.1.2.3 This specification provides for furnishing Type 3 tochemical composition or a Corrosion Resistance Index (CRI)of 6 or higher at the suppliers option.1.3 The styles of washers covered in this specification are:1.3.1
7、 Circular WashersCircular washers in nominal sizes12 mm through 100 mm, are suitable for applications wheresufficient space exists and angularity permits.1.3.2 Beveled WashersBeveled washers are square andrectangular, in nominal sizes 12 mm through 36 mm, with abeveled 1:6 surface for use withAmeric
8、an Standard beams andchannels.1.3.3 Clipped WashersClipped washers are circular orbeveled for use where space limitations necessitate that oneside be clipped.1.4 Terms used in this specification are defined in Termi-nology F1789 unless otherwise defined herein.1.5 The values stated in SI units are t
9、o be regarded asstandard. No other units of measurement are included in thisstandard.NOTE 1This specification is the metric counterpart of SpecificationF436.1.6 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user o
10、f this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A153/A153M Specification for Zinc Coating (Hot-Dip) onIron and Steel HardwareA242/A242M Specification for High-Stre
11、ngth Low-AlloyStructural SteelA325M Specification for Structural Bolts, Steel, HeatTreated 830 MPa Minimum Tensile Strength (Metric)A490M Specification for High-Strength Steel Bolts, Classes10.9 and 10.9.3, for Structural Steel Joints (Metric)A563M Specification for Carbon and Alloy Steel Nuts(Metri
12、c)A588/A588M Specification for High-Strength Low-AlloyStructural Steel, up to 50 ksi 345 MPa Minimum YieldPoint, with Atmospheric Corrosion ResistanceA709/A709M Specification for Structural Steel for BridgesA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsB695 Sp
13、ecification for Coatings of Zinc Mechanically De-posited on Iron and SteelD3951 Practice for Commercial PackagingF436 Specification for Hardened Steel WashersF568M Specification for Carbon and Alloy Steel ExternallyThreaded Metric Fasteners (Metric)F606M Test Methods for Determining the MechanicalPr
14、operties of Externally and Internally Threaded Fasteners,Washers, and Rivets (Metric)1This specification is under the jurisdiction of ASTM Committee F16 onFasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,Nuts, Rivets and Washers.Current edition approved May 1, 2010. P
15、ublished June 2010. Originallyapproved in 1983. Last previous edition approved in 2009 as A436M 09. DOI:10.1520/F0436M-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, ref
16、er to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.F1470 Practice for Fastener Sampling for Specified Me-chan
17、ical Properties and Performance InspectionF1136M Specification for Zinc/Aluminum Corrosion Pro-tective Coatings for Fasteners (Metric)F1789 Terminology for F16 Mechanical FastenersG101 Guide for Estimating the Atmospheric CorrosionResistance of Low-Alloy Steels2.2 ANSI Standard:3B 18.23.2M Metric Be
18、veled Washers3. Ordering Information3.1 Orders for washers under this specification shall includethe following:3.1.1 Quantity,3.1.2 Name of product, (that is, circular washer, beveledwasher, clipped circular washer, or clipped beveled washer),3.1.3 Coating, if required (that is, hot-dip galvanized,
19、me-chanically galvanized, Zinc/Aluminum Corrosion ProtectiveCoating, etc.),3.1.3.1 When galvanized washers are specified, the type ofgalvanizing, such as hot-dip or mechanical (see 6.1 and 6.3),3.1.3.1.1 When the type of galvanizing is not specified, themanufacturer, at his option, may furnish hot-d
20、ip or mechani-cally galvanized washers,3.1.4 Dimensions, nominal size, and other dimensions, ifmodified from those covered in this specification,3.1.5 Material type of washer (that is, Type 1 or Type 3),3.1.5.1 When the type is not specified, either Type 1 or Type3 washers may be supplied when permi
21、tted by the purchaser.3.1.5.2 When atmospheric corrosion resistance is required,Type 3 washers shall be specified by the purchaser.3.1.6 Surface roughness control (see S1),3.1.7 ASTM designation and year of issue, and3.1.8 Any special requirements.NOTE 2Two examples of ordering descriptions follow:
22、(1) 1000pieces, circular washers, hot-dip galvanized, 24 mm, Type 1 ASTMA436M, dated _. (2) 5000 pieces, beveled washers, 22 mm, Type3, ASTM, A436M, dated _.4. Materials and Manufacture4.1 Steel used in the manufacture of washers shall beproduced by the open-hearth, basic-oxygen, or electric-furnace
23、process.4.2 All washers in nominal sizes 12 through 36 mm, shall bethrough-quenched-and-tempered. Washers in nominal sizeslarger than 36 mm may be either through-quenched-and-tempered or carburized, quenched-and-tempered at the manu-facturers option.4.3 Hot-dip galvanized washers shall be hot-dip ga
24、lvanizedin accordance with the requirements for Class C of Specifica-tion A153/A153M. Mechanically galvanized washers shall bemechanically zinc-coated, and the coating and coated washersshall conform to the requirements for Class 50 of SpecificationB695. Zinc/Aluminum Corrosion Protective Coating sh
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