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ASTM A1060 - A 1060M - 14.pdf

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ASTM A1060 - A 1060M - 14.pdf

Designation A1060/A1060M − 14Standard Specification forZinc-Coated Galvanized Steel Welded Wire Reinforcement,Plain and Deformed, for Concrete1This standard is issued under the fixed designation A1060/A1060M; the number immediately following the designation indicates theyear of 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. Scope*1.1 This specification covers zinc-coated steel welded wirereinforcement, plain and deformed, or a combination of de-formed and plain wires, for reinforcement of concrete, in sizesnot less than 0.080 in. [2.03 mm] and over nominal diameterfor plain wire and 0.113 in. [2.87 mm] and over for deformedwire.1.2 This specification is intended to be applicable to cold-worked wire, drawn or rolled, plain or deformed, coated in acontinuous process.1.3 An alternative to a continuous coating process of wirebefore fabrication is a hot-dip process, where the welded wirereinforcement is immersed in a bath of molten zinc.NOTE 1Data on the corrosion resistance of galvanized steels inconcrete are limited. The user is cautioned that the laboratory testingperformed on this material has been insufficient and may not accuratelyreflect the performance of the material when embedded in concrete asreinforcement.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.5 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 and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards2A90/A90M Test Method for Weight [Mass] of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA700 Practices for Packaging, Marking, and Loading Meth-ods for Steel Products for Shipment Withdrawn 20143A780 Practice for Repair of Damaged and Uncoated Areasof Hot-Dip Galvanized CoatingsA1064/A1064M Specification for Carbon-Steel Wire andWelded Wire Reinforcement, Plain and Deformed, forConcreteB6 Specification for ZincB487 Test Method for Measurement of Metal and OxideCoating Thickness by Microscopical Examination ofCross SectionE376 Practice for Measuring Coating Thickness byMagnetic-Field or Eddy-Current Electromagnetic Test-ing Methods2.2 Military Standard4MIL-STD-129 Marking for Shipment and Storage2.3 Federal Standard4Fed. Std. No. 123 Marking for Shipments Civil Agencies3. Terminology3.1 Definitions of Terms Specific to This Standard3.1.1 continuous coating, nof metallic coated steelproducts, the process of uninterrupted passage of long lengthsof steel products, usually steel sheet, tube, pipe, or wire,through the various processing steps such as cleaning andcoating.4. Ordering Information4.1 It shall be the responsibility of the purchaser to specifyall requirements that are necessary for material ordered to thisspecification. Such requirements may include but are notlimited to the following4.1.1 Quantity weight [mass] or square area,4.1.2 Name of material galvanized welded wirereinforcement,1This specification is under 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, 2014. Published May 2014. Originallyapproved in 2010. Last previous edition approved in 2011 as A1060/A1060M – 11ε1. DOI10.1520/A1060_A1060M-14.2For 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 standard’s Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop SDE, Washington, DC 20401, http//www.access.gpo.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 States1Copyright by ASTM Intl all rights reserved;4.1.3 Wire spacing and sizes,4.1.4 Conforms to Specification A1064/A1064M.4.1.5 ASTM designation and year of issue,4.1.6 Minimum yield strength if Supplement S1 of Specifi-cation A1064/A1064M applies,4.1.7 Length and width of sheets or rolls,4.1.8 Required zinc coating weight [mass] coated beforefabrication or zinc coating thickness coated after fabrication,and4.1.9 Packaging see Section 13.5. General Requirements5.1 The wire used in the manufacture of welded wirereinforcement shall conform to Specification A1064/A1064Mwith optional Supplement S1. After galvanizing, the weldedwire shall meet the required mechanical properties of Specifi-cation A1064/A1064M except for the bend test requirements asprescribed in Table 1 of this specification.5.2 Welded wire reinforcement shall be furnished either inflat sheets, or in rolls, as specified by the purchaser.5.3 The zinc used for coating shall be any grade thatconforms to Specification B6.6. Galvanizing6.1 Mass [Weight] Thickness of Coating and Test6.1.1 This specification includes six classes of coatingweight [mass] when the welded wire reinforcement is coatedbefore fabrication and four coating thickness grades when thewelded wire reinforcement is coated after fabrication. Theweight [mass] of zinc coating is based on the measureddiameter of the wire when the stripping method is performedand the nominal diameter for all other methods, and shallconform to the requirements shown in Table 2 or Table 3.Individual results not more than 10 below the minimumvalues specified in Table 2 or Table 3 are allowed if the averageof at least two samples from the same coil are equal to orgreater than the minimum, individual results shall be not lessthan 1.08 oz/ft2[330 g/m2].6.1.1.1 When the product is coated before fabrication in acontinuous coating process, coating weights are given in Table2 for various zinc coating classes.NOTE 2Zinc coated wire produced as “regular coating” shall have thefull surface covered with zinc, but there is no specified minimum weightof coating.6.1.1.2 When the product is coated after fabrication in ahot-dip process, coating thickness are given in Table 3 forvarious zinc coating grades.NOTE 3At the purchaser’s request the galvanized coating may bechromate treated. This is to minimize a reaction between the reinforcingsteel and fresh portland cement paste. Proprietary chromating solutions ofequivalent strength are permitted in place of the generic chemicaltreatment specified.6.1.2 Magnetic Thickness MeasurementsThe weight[mass] of the coating may be determined by magnetic thicknessgage measurements in accordance with Practice E376. Thethickness measurement is used to calculate the weight [mass]by multiplying it by the surface area of coated wire and by thezinc density. Because this form of testing can yield inconsistentand potentially unreliable results on smaller sizes of wire, oneor more of the following methods shall be permitted to be usedto referee and take precedence over the results obtained bymagnetic thickness measurements.6.1.2.1 Stripping MethodThe weight [mass] shall be de-termined by stripping the coating from the steel wire specimenin accordance with Section 8 and Test Method A90/A90M.6.1.2.2 Weighing Before and After GalvanizingTheweight [mass] shall be determined by weighing the samplebefore and after galvanizing. The difference between the twomeasurements divided by the surface area of the sampleprovides the weight [mass]. The original weighing shall occurafter pickling and drying. The second weighing shall occurafter cooling to ambient temperature.6.1.2.3 MicroscopyThe weight [mass] shall be determinedby cross-sectional and optical measurement in accordance withTest Method B487. A cross-section sample of the steel shall bepolished and examined with an optical microscope to deter-mine the coating thickness. The coating weight [mass] shall bedetermined by multiplying coating thickness by the surfacearea of the coated sample and by the density of zinc.6.1.3 Number of TestsFor determination of the coatingweight [mass], three random samples shall be tested from eachlot. For each magnetic thickness measurement sample, five ormore measurements shall be made along the length and widthof the sample so as to represent the entire surface of thesample. A total of at least fifteen measurements shall beaveraged to obtain the coating thickness. For the microscopymethod, five samples shall be tested per lot. Each sample shallbe measured on four sides and the total of twenty measure-ments shall be averaged to obtain the coating thickness. For thestripping method and the weighing method, three samples perlot shall be measured.NOTE 4A lot shall be as follows all wire of the same size furnishedto the same steel reinforcing specification that has been galvanized withina single production shift.6.2 Handling6.2.1 The identification of all reinforcing steel shall bemaintained throughout the coating and fabrication process tothe point of shipment.7. Finish and Adherence of Coating7.1 The zinc coating shall have no bare spots. The coatingshall be free of blisters, flux spots or inclusions, dross, and acidTABLE 1 Mandrel Diameters for Test for Adherence of ZincCoating Inch-Pound Units [SI Units]Mandrel Diameters of Coating Classes and GradesWire DiameterRegular andClass 1Class 3 or A,4, B, 5, andCGrade 50,60, 65, and80Under0.148 [3.70]1DA3D 3D0.148 [3.70]to0.500 [12.7]2D 4D 4Dover0.500 [12.7]3D 5D 5DAD nominal wire diameter being tested.A1060/A1060M − 142Copyright by ASTM Intl all rights reserved;or black spots. To ensure large continuous length coils, weldsare permitted in the finished wire. A matte gray finish appear-ance shall not be itself a cause for rejection.7.2 Adherence of CoatingThe coated wire as representedby the test specimens shall be capable of passing a bend testwithout cracking or flaking the coating to such an extent thatany coating is removed when rubbed with the bare fingers. Thebend test specimen shall withstand being bent at room tem-perature through 180 as prescribed in Table 1.8. Number of Tests8.1 Testing for Coating Weight [Mass] Before FabricationFor the purpose of final product testing, one specimen fromevery ten coils of wire or fraction thereof in a lot shall beselected at random or a total of seven specimens, whichever isless.8.1.1 A wire sample of sufficient length, approximately 4-ft[1.2-m] shall be cut from either end of each coil selected fortests described in Section 6.8.2 Testing for Coating Thickness After FabricationThepurchaser may specify the sampling and test schedule for thenumber and frequency of tests for coating thickness.8.3 If the number and frequency of test are not specified bythe purchaser8.3.1 One test specimen from every 20 000 ft2[1900 m2]of welded wire reinforcement shall be tested for compliancewith Section 6.8.4 RetestsIf the average zinc coating weight [mass]thickness fails to meet the requirements of Table 2 or Table 3,six additional random samples from the lot shall be permittedto be tested. If the average zinc coating weight [mass] of the sixsamples conforms to the specified coating thickness, the lotshall be accepted.9. Inspection9.1 The inspector representing the purchaser shall haveaccess at all times, while work on the contract of the purchaseris being performed, to those areas of the galvanizer’s plantwhich concern the manufacture of the material ordered. Thegalvanizer shall afford the inspector all reasonable facilities tosatisfy him that the coating is being furnished in accordancewith this specification.9.2 The material shall be inspected at the galvanizer’s plantprior to shipment. However, if specified, the purchaser shallconduct the test which govern the acceptance or rejection of thematerials in his own laboratory or elsewhere.9.3 For Government Procurement OnlyExcept as other-wise specified in the contract, the contractor is responsible forthe performance of all inspection and test requirements speci-fied herein. Except as otherwise specified in the contract, thecontractor shall have the option to use his own or any othersuitable facilities for the performance of the inspection and testrequirements specified herein, unless disapproved by the pur-chaser at the time of purchase. The purchaser shall have theright to perform any of the inspections and tests at the samefrequency as set forth in this specification where such inspec-tions are deemed necessary to assure that material conforms toprescribed requirements.10. Rejection and Rehearing10.1 Unless otherwise specified, any rejection shall bereported to the manufacturer within five days from the time ofselection of test specimens.10.2 Welded intersections shall withstand normal shippingand handling without becoming broken, but the presence ofbroken welds, regardless of cause, shall not constitute cause forrejection unless the number of broken welds per sheet exceeds1 of the total number of joints in a sheet, or if the materialis furnished in rolls, 1 of the total number of joints in 150 ft2[14 m2] of welded wire reinforcement and, furthermore,provided not more than one half the permissible maximumnumber of broken welds are located on any one wire.10.3 RehearingRejected materials shall be preserved for aperiod of at least two weeks from the date of inspection, duringTABLE 2 Minimum Weight [Mass] of Zinc Coating, oz/ft2[g/m2] Coated Before FabricationWire Diameterin. [mm]AClass 1 Class 2 Class 3 or A Class B Class 5 Class C0.080 [2.03] 0.25 [76] 0.70 [214] 1.20 [366] 1.40 [427] 2.00 [610] 2.10 [641]0.099 [2.50] 0.28 [85] 0.70 [214] 1.20 [366] 1.60 [488] 2.00 [610] 2.40 [732]0.135 [3.40] 0.30 [92] 0.85 [260] 1.20 [366] 1.70 [520] 2.00 [610] 2.55 [778]0.148 [3.80] 0.35 [107] 0.90 [275] 1.20 [366] 1.80 [550] 2.00 [610] 2.70 [824]0.162 [4.10] 0.35 [107] 0.90 [275] 1.20 [366] 1.80 [550] 2.00 [610] 2.70 [824]0.177 [4.50] 0.44 [134] 0.90 [275] 1.20 [366] 1.80 [550] 2.00 [610] 2.70 [824]0.192 [4.90] 0.50 [153] 1.00 [305] 1.20 [366] 2.00 [610] 2.00 [610] 3.00 [915]0.207 [5.30] 0.53 [162] 1.00 [305] 1.20 [366] 2.00 [610] 2.00 [610] 3.00 [915]and largerACoating weights [mass] for diameters other than those shown in Table 2 are the coating weights [mass] for the next smaller diameter.TABLE 3 Coating Thickness GradeACoated After FabricationWire DiameterCoatingGradeMils oz/ft2m g/m2Under0.125 [3.2]50 2.0 1.20 [

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