ASTM F2882 F2882M-2017 Standard Specification for Screws Alloy Steel Heat Treated 170 ksi and 1170 MPa Minimum Tensile Strength (Inch and Metric)《最小拉伸强度170 ksi和1170 MPa(英制和公制)的热处理合.pdf
《ASTM F2882 F2882M-2017 Standard Specification for Screws Alloy Steel Heat Treated 170 ksi and 1170 MPa Minimum Tensile Strength (Inch and Metric)《最小拉伸强度170 ksi和1170 MPa(英制和公制)的热处理合.pdf》由会员分享,可在线阅读,更多相关《ASTM F2882 F2882M-2017 Standard Specification for Screws Alloy Steel Heat Treated 170 ksi and 1170 MPa Minimum Tensile Strength (Inch and Metric)《最小拉伸强度170 ksi和1170 MPa(英制和公制)的热处理合.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F2882 12F2882/F2882M 17Standard Specification forScrews, Alloy Steel, Heat Treated, 170 ksi and 1170 MPaMinimum Tensile Strength (Inch and Metric)1This standard is issued under the fixed designation F2882;F2882/F2882M; the number immediately following the designation indicatesthe year o
2、f original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the requirements for quenched a
3、nd tempered alloy steel screws 0.060 through 112 inches in. and1.6 through 48 mm in diameter having a minimum ultimate tensile strength of 170 KSI.KSI or 1170 MPa.NOTE 1This specification is the inch companion of Specification F2882M.1.2 The values are stated in inch-pound units for inch fasteners a
4、nd SI metric units for metric fasteners. The values stated ineach system may not be exact equivalents; therefore each system shall be used independently of the other. Combining values fromthe two systems may result in non-conformance to the standard.1.3 The following hazard caveat pertains only to t
5、he test method portion, Section 10, of this specification: This standard doesnot purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices and determine the applicability o
6、f regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade
7、 Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel ProductsE112 Test Methods for Determining Average Grain SizeF606F606/F606M Test Methods for Determining the Mechanical Pro
8、perties of Externally and Internally Threaded Fasteners,Washers, and Rivets (Metric) F0606_F0606M Direct Tension Indicators, and RivetsF788/F788M Specification for Surface Discontinuities of Bolts, Screws, and Studs, Inch and Metric SeriesF1470 Practice for Fastener Sampling for Specified Mechanical
9、 Properties and Performance InspectionF1940 Test Method for Process Control Verification to Prevent Hydrogen Embrittlement in Plated or Coated FastenersF2282 Specification for Quality Assurance Requirements for Carbon and Alloy Steel Wire, Rods, and Bars for MechanicalFastenersF2328 Test Method for
10、Determining Decarburization and Carburization in Hardened and Tempered Threaded Steel Bolts,Screws, Studs, and NutsF2328M Test Method for Determining Decarburization and Carburization in Hardened and Tempered Threaded Steel Bolts,Screws, Studs, and Nuts (Metric)2.2 ASME Standards:3B18.2.1 Square and
11、 Hex Bolts and ScrewsB18.2.3.3M Metric Heavy Hex ScrewsB18.2.3.4M Metric Hex Flange ScrewsB18.2.3.5M Metric Hex BoltsB18.2.3.9M Metric Heavy Hex Hex Flange Screws1 This test method is under the jurisdiction of ASTM Committee F16 on Fasteners and is the direct responsibility of Subcommittee F16.02 on
12、 Steel Bolts, Nuts, Rivetsand Washers.Current edition approved Oct. 1, 2012June 1, 2017. Published November 2012July 2017. Originally approved in 2012. Last previous edition approved in 2012 asF288212. DOI: 10.1520/F2882-12.10.1520/F2882_F2882M-17.2 For referencedASTM standards, visit theASTM websit
13、e, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Three Park Ave
14、., New York, NY 10016-5990.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends t
15、hat users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1B18.2.5 12 Point Flan
16、ge ScrewsB18.2.5M Metric 12 Point Flange ScrewsB18.2.7.1M Metric 12 Spline Flange ScrewsB18.3 Socket Cap, Shoulder, and Set Screws, Hex and Spline Keys (Inch Series)B18.3.1M Socket Head Cap Screws (Metric Series)B18.24 Part Identifying Number (PIN) Code System Standard for B18 Fastener Products3. Or
17、dering Information3.1 Orders for high strength screws under this specification shall include the following information:3.1.1 Quantity (number of screws),3.1.2 Nominal dimensions, including diameter, thread designation, thread, pitch, and nominal screw length,3.1.3 Name of the screw including specifi
18、cation,3.1.3.1 ASME B18.2.1, Square and Hex Bolts and Screws,3.1.3.2 ASME B18.2.5, 12 Point Flange Screws,3.1.3.3 ASME B18.3, Socket Cap, Shoulder, and Set Screws, Hex and Spline Keys (Inch Series),3.1.3.4 ASME B18.2.3.3M, Metric Heavy Hex Screws,3.1.3.5 ASME B18.2.3.4M, Metric Hex Flange Screws,3.1
19、.3.6 ASME B18.2.3.5M, Metric Hex Bolts,3.1.3.7 ASME B18.2.3.9M, Metric Heavy Hex Flange Screws,3.1.3.8 ASME B18.2.5M, Metric 12 Point Flange Screws,3.1.3.9 ASME B18.2.7.1M, Metric 12-Spline Flange Screws,3.1.3.10 ASME B18.3.1M, Socket Head Cap Screws (Metric Series),3.1.4 ASTM designation and year o
20、f issue.3.2 Orders for high strength screws may include the following optional requirements:3.2.1 Inspection at point of manufacture.3.2.2 Coating, if required (see 4.6).3.2.3 Additional Testing (see 11.1).3.2.4 Special Packaging (see 14.1.2).3.2.5 Supplementary Requirement (see S1).3.2.6 Special Re
21、quirements.3.2.7 For establishment of a part identifying system, see ASME B18.24.4. Materials and Manufacture4.1 The screws shall be fabricated from steel made to fine grain practice and shall have an austenitic grain size of 5 or finer.In the event of controversy over grain size, referee tests on f
22、inished screws conducted in accordance with Test Methods E112 shallprevail.4.2 High strength screws shall be heat treated by quenching in oil from above the transformation temperature and then temperedby reheating to at least 797F or 425C to withinachieve the hardness rangemechanical properties spec
23、ified in Section 6 and Table1.4.2.1 The minimum tempering temperature may be verified by submitting screws to 777F or 415C for 30 min at temperature.The mean cross-section hardness of three readings on the screw before and after retempering shall not differ by more than 2 pointsHRC.4.3 Re-heat-treat
24、ment of screws for the purpose of carbon restoration is not permitted except for set screws.4.4 Unless otherwise specified, threads of screws shall be rolled for diameters through 0.625 in. or M20 and for screw lengthsthrough 1.5 in. 6 in. or 150 mm. For diameters and lengths other than this, thread
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