1、Designation:A884/A884M19Standard Specification forEpoxy-Coated Steel Wire and Welded Wire Reinforcement1This standard is issued under the fixed designation A884/A884M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last r
2、evision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers plain and deformed steel wireand plain and deformed steel welded wire reinforcement withprotective ep
3、oxy coating.A Class A minimum coating thick-ness is required for wire and welded wire reinforcementintended for use in concrete and masonry.A Class B minimumcoating thickness is required for wire and welded wire rein-forcement intended for use in mechanically stabilized earthapplications.A Type 1 co
4、ating is a fusion-bonded epoxycoating that has been formulated to be sufficiently flexible toallow bending of the coated wire or welded wire reinforce-ment.A Type 2 coating is a fusion-bonded epoxy coating thathas not been designed to be sufficiently flexible to allowbending of the coated wire or we
5、lded wire reinforcement.NOTE1The coating applicator is identified throughout this specifica-tion as the manufacturer.1.2 This specification is applicable for orders in eitherinch-pound units(as Specification A884)or SI units asSpecification A884M.1.3 The values stated in either inch-pound or SI unit
6、s are tobe regarded separately as standard.Within the text,the SI unitsare shown in brackets.The values stated in each system maynot be exact equivalents;therefore,each system shall be usedindependently of the other except as specifically noted in Table1.Combining values from the two systems may res
7、ult innon-conformance with this specification.1.4 This standard 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 applicabili
8、ty of regulatory limitations prior to use.1.5 This international 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 Worl
9、d Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A775/A775M Specification for Epoxy-Coated Steel Rein-forcing BarsA934/A934M Specification for Epoxy-Coated PrefabricatedSteel Reinforcing BarsA1064/A1064M Specification for Carbon-Steel Wire andWe
10、lded Wire Reinforcement,Plain and Deformed,forConcreteD4417 Test Methods for Field Measurement of SurfaceProfile of Blast Cleaned Steel2.2 Society for Protective Coatings Specifications:3SSPC-PA2 Measurement of Dry Coating Thickness withMagnetic GaugesSSPC-SP 10 Near-White Blast CleaningSSPC-VIS 1 P
11、ictorial Surface Preparation Standards forPainting Steel Surfaces2.3 American Concrete Institute Specification:4ACI 301 Specifications for Structural Concrete2.4 Concrete Reinforcing Steel Institute:5CRSI“Voluntary Certification Program for Fusion BondedEpoxy Coating Applicator Plants”3.Terminology3
12、.1 Definitions:3.1.1 disbonding,nloss of adhesion between the fusion-bonded epoxy coating and the steel reinforcement.3.1.2 fusion-bonded epoxy coating,na product containingpigments,thermosetting epoxy resins,crosslinking agents,and1This specification is under the jurisdiction of ASTM Committee A01
13、on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.05 on Steel Reinforcement.Current edition approved March 1,2019.Published March 2019.Originallyapproved in 1988.Last previous edition approved in 2014 as A884/A884M 14.DOI:10.1520/A0884_A0884M-19.2For ref
14、erenced 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 Society for Protective Coatings(SSPC),800 Trumbull Dr.,Pit
15、tsburgh,PA 15205,http:/www.sspc.org.4Available from American Concrete Institute(ACI),38800 Country Club Dr.,Farmington Hills,MI 48331-3439,http:/www.concrete.org.5Available from Concrete Reinforcing Steel Institute(CRSI),933 N.PlumGrove Rd.,Schaumburg,IL 60173-4758,http:/www.crsi.org.*A Summary of C
16、hanges 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 accordance 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.1 other additives that is ap