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ASTM A1022 - A 1022M - 15.pdf

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ASTM A1022 - A 1022M - 15.pdf

Designation A1022/A1022M − 15Standard Specification forDeformed and Plain Stainless Steel Wire and Welded Wirefor Concrete Reinforcement1This standard is issued under the fixed designation A1022/A1022M; 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 stainless steel wire and weldedwire reinforcement produced from hot-rolled stainless steelrod. The stainless steel wire is cold-worked, drawn or rolled,plain non-deformed or deformed or a combination of de-formed and plain. It is used as concrete reinforcement forapplications requiring resistance to corrosion or controlledmagnetic permeability, or both. Common wire sizes anddimensions are found in this specification.Actual wire sizes arenot restricted to those shown in the tables.1.2 A supplementary requirement S1 is provided and shallapply only when specified by the purchaser. In order to obtaina corrosion tested or controlled magnetic permeability product,steel conforming to Supplementary Requirement S1 should beordered.1.3 The chemical composition of the steel stainless gradeshall be selected for suitability to the application involved byagreement between the manufacturer and the purchaser. UseSpecification A276 for chemical requirements. The UNSdesignations are to be included with the type number and notedin brackets, that is, austenitic stainless steels as Type 304[S30400], 304L [S30403], 316 [S31600], 316L [S31603],316N [S31651], 316LN [S31653] and duplex stainless steels,Types 2205 [S32205] and 329 [S32900].NOTE 1Only austenitic and duplex stainless steels are usuallyrecommended for use as reinforcement in concrete because of their highcorrosion resistance. Austenitic stainless steels have good general corro-sion resistance, strength characteristics which can be improved by coldworking, good toughness and ductility properties at low temperatures, andlow magnetic permeability. Duplex stainless steels have generally acorrosion resistance greater than that of most austenitic steels and aremagnetic. Other stainless steels with different chemical compositions thanthe series and types mentioned above, may be used for less restrictiveapplications.1.4 Wire for welded wire reinforcement is generally manu-factured at 75 ksi [520 MPa] yield strength level. Otherstrength levels shall be by agreement between the purchaserand manufacturer.NOTE 2The term used to refer to yield strength levels are the same asthose in ASTM Standards for welded wire reinforcement.1.5 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem may not be exact equivalents; therefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with thestandard.2. Referenced Documents2.1 ASTM Standards2A276 Specification for Stainless Steel Bars and ShapesA342/A342M Test Methods for Permeability of WeaklyMagnetic MaterialsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA700 Guide for Packaging, Marking, and Loading Methodsfor Steel Products for ShipmentE83 Practice for Verification and Classification of Exten-someter Systems2.2 Military Standards3MIL-STD-129 Marking for Shipment and Storage2.3 Federal Standard3Fed. Std. No. 123 Marking for Shipments Civil Agencies2.4 ACI Standard4ACI 318 Building Code Requirements for Structural Con-crete1This 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 June 1, 2015. Published June 2015. Originallyapproved in 2001. Last previous edition approved in 2014 as A1022/A1022M – 14a.DOI 10.1520/A1022_A1022M-15.2For 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.3Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http//www.dodssp.daps.mil.4Available fromAmerican Concrete Institute ACI, P.O. Box 9094, FarmingtonHills, MI 48333-9094, http//www.aci-int.org.*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 States12.5 AdjunctsWeld Tester Drawing53. Terminology3.1 Definitions of Terms Specific to This Standard3.1.1 stainless steel plain wire and welded plain wirereinforcementas used within the scope and intent of thisspecification, designates a material composed of cold-workedstainless steel wire, as cold-drawn or cold-rolled from stainlesssteel hot-rolled rod.3.1.1.1 DiscussionThe welded intersections provide thebond strength for shear resistance.3.1.2 stainless steel deformed wire and welded deformedwire reinforcementas used within the scope and intent of thisspecification, designates a material composed of cold- workeddeformed stainless steel wire as cold-drawn or cold-rolled fromstainless steel hot-rolled rod.3.1.2.1 DiscussionDeformations can be indented or raisedrib protrusion types.As with plain stainless steel welded wire,the welded intersections provide bond strength for shearresistance and the deformations add to the bond strength.3.1.3 convoluted wirewhen wire for welded wire rein-forcement is formed into a sinusoidal wave shape, it iscommonly referred to as convoluted wire.3.1.3.1 DiscussionThe wire is used in the manufacture ofcages for certain applications of concrete pipe reinforcement.Only plain wire is normally subject to convolution.4. Ordering Information4.1 It shall be the responsibility of the purchaser to specifyall requirements that are necessary for material ordered to thisspecification. Such requirement shall include but are notlimited to the following4.1.1 Quantity–weight [mass] or square area.4.1.2 Name of material for example, stainless steel weldedwire for concrete reinforcement.4.1.3 Wire spacing and wire sizes.4.1.4 Exclusion of over-steeling or using a larger area ofsteel than specified.4.1.5 Length and width of sheets or rolls.4.1.6 ASTM designation and year of issue.4.1.7 Application corrosion resistance or magnetic perme-ability.4.1.8 Minimum yield strength or grade strength level.4.1.9 Chemical composition stainless steel grade.4.1.10 Heat treatment condition.4.1.11 Supplementary requirements if desired.NOTE 3A typical ordering description is as follows For in-lbs units100 000 square feet of welded wire for concrete reinforcement, 12 12– W 10 W 10 in flat sheets 96-in. wide by 15-ft long in secured bundlesfor crane or forklift truck lifts. For metric units 10 000 square metres ofwelded wire for concrete reinforcement, 305 305 – MW 65 MW 65,in flat sheets 2438-mm wide by 4.6-mm long in secured bundles for craneor forklift truck lifts. Testing shall be in accordance with Test MethodsA370.NOTE 4Longitudinal wires can be variably spaced. For example, V 12–D10D10orV305–MD65MD65. See the Tables 1 and2 for wire sizes.5. Materials5.1 The stainless steel shall be made by any commerciallyaccepted process.5.2 Cold-worked wire or rod used in the manufacture ofstainless steel welded wire reinforcement shall be in accor-dance with the chemical and physical requirements of Speci-fication A276.6. Manufacture6.1 Stainless steel wire for welded wire reinforcement shallbe cold worked, either drawn or rolled from steel rod that isrolled from properly identified heats of mold-cast or strand-caststeel.6.2 The wire or rod shall be assembled into welded wirereinforcement by automatic machines or by other suitablemechanical means which will assure accurate spacing andalignment of all wires of the finished welded wire reinforce-ment. The finished welded wire reinforcement shall be fur-nished in flat or bent sheets or in rolls as specified by thepurchaser.6.3 Longitudinal and transverse wires shall be securelyconnected at every intersection by a process of electrical-resistance welding which employs the principle of fusioncombined with pressure.6.4 Welded wire reinforcement of proper grade and qualityshall result in a strong, serviceable product having substantiallysquare or rectangular openings. It shall be fabricated andfinished in a quality manner and conform to this specification.5Available from ASTM International Headquarters. Order Adjunct No.ADJA0185. Original adjunct produced in 1967.TABLE 1 Dimensional Requirements for Plain WireSI UnitsSizeNumberANominal Diameter,mmNominal Area,mm2MW 5 2.50 5MW 10 3.60 10MW 15 4.40 15MW 20 5.00 20MW 25 5.60 25MW 30 6.20 30MW 35 6.70 35MW 40 7.10 40MW 45 7.60 45MW 50 8.00 50MW 55 8.40 55MW 60 8.70 60MW 65 9.10 65MW 70 9.40 70MW 80 10.10 80MW 90 10.70 90MW 100 11.30 100MW 120 12.40 120MW 130 12.90 130MW 200 15.95 200MW 290 19.22 290AThis table represents a hard metrication of the most readily available sizes in thewelded wire reinforcement industry. Table 1 shall be used in projects that aredesigned using SI units Table 2 shall be used on projects designed usinginch-pound units.Areas of wire shall be checked with the most efficient and readilyavailable material from manufacturers. Other wire sizes are available and manymanufacturers can produce them in 1-mm2increments.A1022/A1022M − 1527. Mechanical Property RequirementsWire, Plain andDeformed7.1 General Requirements for Plain Wire7.1.1 When plain wire is ordered by size number, therelation between size number, diameter, and area shown inTables 1 and 2 shall apply.7.1.2 Specimens for mechanical properties testing shall befull wire sections and shall be obtained from ends of wire coilsas drawn. The specimens shall be of sufficient length toperform testing described in Test Methods A370.7.1.3 If any test specimen exhibits obvious isolated imper-fections not representative of the product, it shall be discardedand another specimen substituted.7.1.4 Tension Test7.1.4.1 When tested as described in Test Methods andDefinitions A370, the material, except as specified in 7.1.4.2shall conform to the tensile property requirements in Table 5,based on the nominal area of the wire.7.1.4.2 When required by the purchaser, the yield strengthshall be determined as described in Test Methods and Defini-tions A370 at an extension of 0.5 of gage length or by theoffset method 0.2 . For determining the yield strength usea Class B-1 extensometer as described in Practice E83.7.1.4.3 For wire to be used in the manufacture of weldedwire reinforcement, the tensile and yield strength propertiesshall conform to the requirements given in Table 6, based onthe nominal area of the wire.7.1.4.4 Materials shall be measured at extension under loadand shall not be required to exhibit a definite yield point asevidenced by a distinct arrest or halt in the load indicationgauge of the testing machine prior to reaching ultimate tensileload. The purchaser shall have the option to accept this featureas sufficient evidence of compliance with the specified mini-mum yield strength tests covered in this specification.7.1.5 Bond TestThe bend test specimen shall be bent atroom temperature through 90 without cracking on the outsideof the bent portion, as prescribed in Table 3.7.1.6 Reduction of AreaShall be determined as describedin Test Methods and Definitions A370. The wire shall conformto the reduction of area requirements in Tables 5 and 6.7.1.7 Permissible Variation in Wire Diameter7.1.7.1 The permissible variation in wire diameter shallconform to the requirements in Table 4.7.1.7.2 The difference between the maximum and minimumdiameters, as measured on any given cross section of the wire,shall not exceed the tolerances listed in Table 4 for the givenwire size.7.2 General Requirements for Deformed Wire7.2.1 When deformed wire is ordered by size number, therelation between size number, diameter, and area shown inTables 7 and 8 shall apply.7.2.2 Specimens for mechanical properties testing shall befull wire sections and shall be obtained from ends of wire coilsas rolled. The specimens shall be of sufficient length to performtesting described in Test Methods A370.7.2.3 If any test specimen exhibits obvious isolated imper-fections not representative of the product, it shall be discardedand another specimen substituted.7.2.4 Deformation Criteria7.2.4.1 Deformations shall be spaced along the wire at asubstantially uniform distance and shall be symmetricallydisposed around the perimeter. The deformations on all longi-tudinal lines of the wire shall be similar in size and shape. Aminimum of 25 of the total surface area shall be deformedby measurable deformations.7.2.4.2 Deformed wire shall have two or more lines ofdeformations.7.2.4.3 The average longitudinal spacing of deformationsshall be not less than 3.5 nor more than 5.5 deformations per 1in. [25 mm] in each line of deformations on the wire.TABLE 2 Dimensional Requirements for Plain WireInch-poundUnitsSizeNumberANominal Diameter,in.Nominal Area,in2W 0.5 0.080 0.005W 1.2 0.124 0.012W 1.4 0.134 0.014W 2 0.160 0.020W 2.5 0.178 0.025W 2.9 0.192 0.029W 3.5 0.211 0.035W 4 0.226 0.040W 4.5 0.239 0.045W 5 0.252 0.050W 5.5 0.265 0.055W 6 0.276 0.060W 8 0.319 0.080W 10 0.357 0.100W 11 0.374 0.110W 12 0.391 0.120W 14 0.422 0.140W 16 0.451 0.160W 18 0.479 0.180W 20 0.505 0.200W 22 0.529 0.220W 24 0.533 0.240W 26 0.575 0.260W 28 0.597 0.280W 30 0.618 0.300W 31 0.628 0.310W 45 0.757 0.450AThis table represents the most readily available sizes in the welded wirereinforcement industry in sizes using inch-pound units. Areas of wire shall bechecked with the most efficient and readily available material from manufacturers.Other wire sizes are available and many manufacturers can produce them in0.0015-in.2increments.TABLE 3 Bend Test RequirementsPlain WireSize Number OfWireBend TestW7 [MW 45]and smallerBend around a pin the diameter that is equal tothe diameter of the specimenLarger thanW7 [MW 45]Bend around a pin the diameter that is equal totwice the diameter 2d of the specimenA1022/A1022M − 1537.2.4.4 The minimum average height of the center of typicaldeformations based on the nominal wire diameters shown inTables 7 and 8 shall be as followsWire Sizes Minimum Average Height of Deformations,Percent of Nominal Wire DiameterD 3 [MD 19] and smaller 4LargerthanD3[MD19]through D 10 [MD 65]41⁄2Larger than D 10 [MD 65] 57.2.4.5 The deformations shall be placed with respect to theaxis of the wire so that the included angle is not less than 45;or if deformations are curvili

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