1、Designation:D3963/D3963M21Standard Specification forFabrication and Jobsite Handling of Epoxy-Coated SteelReinforcing Bars1This standard is issued under the fixed designation D3963/D3963M;the number immediately following the designation indicates theyear of original adoption or,in the case of revisi
2、on,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.Scope*1.1 This specification covers the fabrication and jobsiterequirements for deformed and plain steel reinforcing
3、bars withprotective epoxy coating applied in accordance with Specifi-cation A775/A775M.1.2 This specification is applicable for orders in either SIunits(as Specification D3963M)or inch-pound units(asSpecification D3963).1.3 The values stated in either SI units or inch-pound unitsare to be regarded s
4、eparately as standard.Within the text,theinch-pound units are shown in brackets.The values stated ineach system are not exact equivalents;therefore,each systemmust be used independently of the other.Combining valuesfrom the two systems may result in nonconformance with thespecification.1.4 This stan
5、dard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This internat
6、ional standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committ
7、ee.2.Referenced Documents2.1 ASTM Standards:2A775/A775M Specification for Epoxy-Coated Steel Rein-forcing BarsB117 Practice for Operating Salt Spray(Fog)ApparatusD374/D374M Test Methods for Thickness of Solid Electri-cal InsulationD2967 Test Method for Corner Coverage of Powder Coat-ingsE177 Practic
8、e for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodG20 Test Method for Chemical Resistance of Pipeline Coat-ings2.2 Federal Highway Administration ReportFHWA-RD-74-18 Nonmetallic Coatings for Co
9、ncrete Rein-forcing Bars33.Coating Repair Materials3.1 The patching material shall be recommended by thepowder coating manufacturer,inert in concrete,and feasiblefor repairs at the applicator,fabricator,or in the field.Thepatching material shall meet the requirements of Annex A2 ofSpecification A775
10、/A775M prior to use.3.2 The patching material manufacturer shall specify themethod of metal surface preparation and the patching applica-tion procedures to be used in the field.4.Handling and Identification4.1 Coated bars shall be transported and handled with care.All systems for handling coated bar
11、s shall have padded contactareas.All bundling bands shall be padded,or suitable bandingshall be used to prevent damage to the coating.All bundles ofcoated bars shall be lifted with a strong back,spreader bar,multiple supports,or a platform bridge to prevent bar-to-barabrasion from sags in the bundle
12、s.The bars or bundles shall notbe dropped or dragged.4.2 The identification(including heat number,mill testresults,date and type of coating system used,etc.)of allreinforcing bars shall be maintained throughout the coating andfabrication processes to the point of shipment.1This specification is unde
13、r the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.05 on Steel Reinforcement.Current edition approved May 1,2021.Published May 2021.Originallyapproved in 1981.Last previous edition approved in 2015 as D3963/D3963M
14、15.DOI:10.1520/D3963_D3963M-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from National Technical
15、Information Service(NTIS),5301 ShawneeRd.,Alexandria,VA 22312,http:/www.ntis.gov.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in a
16、ccordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.15.Fabrication of Steel Reinforcing Bars After Coating5.1 The steel reinforcing bars to be fabricated after applica-tion of the coating shall meet the requirements of this specifi-cation.5.2 Handling and storage of coated bars at th
