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ASTM A1035 - A 1035M - 15.pdf

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ASTM A1035 - A 1035M - 15.pdf

Designation A1035/A1035M − 15Standard Specification forDeformed and Plain, Low-Carbon, Chromium, Steel Bars forConcrete Reinforcement1This standard is issued under the fixed designation A1035/A1035M; 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 deformed and plain low-carbon, chromium, steel bars, in cut lengths and coils forconcrete reinforcement. These bars are furnished in three alloytypes depending on the chromium range content. The standardsizes and dimensions of deformed bars and their numberdesignations are given in Table 1.21.2 Bars are of two minimum yield strength levels asdefined in 9.2 namely, 100 000 psi [690 MPa], and 120 000 psi[830 MPa] designated as Grade 100 [690] and Grade 120[830], respectively.1.3 Bars are furnished to three different chemicalcompositions, designated as Alloy Type CL, CM, and CS.Chemical compositions are shown in Table 2.1.4 Plain bars, in sizes up to and including 2.25 in. [57.2mm] 21⁄2 in. [63.5 mm] in diameter in coils and cut lengths,when ordered shall be furnished under this specification inGrade 100 [690] and Grade 120 [830]. For ductility propertieselongation and bending, test provisions of the nearest smallernominal diameter deformed bar size shall apply. Requirementsproviding for deformations and marking shall not be appli-cable.NOTE 1Welding of the material in this specification should beapproached with caution since no specific provisions have been includedto enhance its weldability. When this steel is to be welded, a weldingprocedure suitable for the chemical composition and intended use orservice should be used.1.5 Requirements for alternate bar sizes are presented inAnnex A1. The requirements in Annex A1 only apply whenspecified by the purchaser see 4.2.3.1.6 A supplementary requirement S1 is provided for usewhere bend testing of bar sizes Nos. 14 and 18 [43, 57], and barsizes Nos. 40, 50, and 60 in Annex A1, is required by thepurchaser. The supplementary requirement applies only whenspecified in the purchase order.1.7 The text of this specification references notes andfootnotes which provide explanatory material. These notes andfootnotes excluding those in tables and figures shall not beconsidered as requirements of the specification.1.8 This specification is applicable for orders in eitherinch-pound units as Specification A1035 or in SI units asSpecification A1035M.1.9 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 thespecification.2. Referenced Documents2.1 ASTM Standards3A6/A6M Specification for General Requirements for RolledStructural Steel Bars, Plates, Shapes, and Sheet PilingA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA510/A510M Specification for General Requirements forWire Rods and Coarse Round Wire, Carbon Steel, andAlloy SteelA700 Guide for Packaging, Marking, and Loading Methodsfor Steel Products for ShipmentA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE290 Test Methods for Bend Testing of Material for Ductil-ity1This 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 July 1, 2015. Published August 2015. Originallyapproved in 2004. Last previous edition approved in 2014 as A1035/A1035M – 14.DOI 10.1520/A1035_A1035M-15.2MMFX Technologies Corporation has several patented materials US Patents6,273,968, 6,709,534, 7,118,637, 7,214,278 that meet this specification.Interested parties are invited to submit information regarding the identification of analternatives to this patented item to the ASTM International Headquarters. Yourcomments will receive careful consideration at a meeting of the responsibletechnical committee,1which you may attend.3For 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.*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 States12.2 U.S. Military Standard4MIL-STD-129 Marking for Shipment and Storage2.3 U.S. Federal Standard4Fed. Std. No. 123 Marking for Shipment Civil Agencies3. Terminology3.1 Definitions of Terms Specific to This Specification3.1.1 deformations, ntransverse protrusions on a de-formed bar.3.1.2 deformed bar, nsteel bar with protrusions; a bar thatis intended for use as reinforcement in reinforced concreteconstruction.3.1.2.1 DiscussionThe surface of the bar is provided withprotrusions that inhibit longitudinal movement of the barrelative to the concrete surrounding the bar in such construc-tion. The protrusions conform to the provisions of this speci-fication.3.1.3 lot, nall the bars of one bar size and pattern ofdeformations contained in an individual shipping release orshipping order.3.1.4 plain bar, nsteel bar without protrusions.3.1.5 rib, nlongitudinal protrusion on a deformed bar.4. Ordering Information4.1 Orders for low-carbon, chromium steel bars for concretereinforcement under this specification shall contain the follow-ing information4.1.1 Quantity weight [mass],4.1.2 Deformed or plain,4.1.3 Bar designation number size of deformed bars, ornominal diameter size of plain bars,4.1.4 Cut lengths or coils,4.1.5 Alloy Type see Table 2,4.1.6 Grade, and4.1.7 ASTM designation A1035 [A1035M] and year ofissue.4.2 The purchaser shall have the option to specify additionalrequirements, including, but not limited to, the following4.2.1 Special package marking requirements 20.2;4.2.2 Supplementary Requirement S1, bend tests for barsizes Nos. 14 and 18 [43 and 57], or bar sizes Nos. 40, 50, and60 in Annex A1;4.2.3 Optional requirements of Annex A1; and4.2.4 Other special requirements, if any.5. Materials and Manufacture5.1 The bars shall be rolled from properly identified heats ofmold-cast or strand-cast steel. The steel shall be made by anycommercially accepted process.6. Chemical Composition6.1 The chemical analysis of each heat shall be determinedin accordance with Test Methods, Practice, and TerminologyA751. The manufacturer shall make the analysis on testsamples taken preferably during the pouring of the heat. Thepercentages of carbon, manganese, phosphorus, sulfur, silicon,chromium, and nitrogen, shall be determined and reported asrequired in Section 16.4Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn NPODS. Or visit http//assist.daps.dla.mil/online.TABLE 1 Deformed Bar Designation Numbers, Nominal Weights [Masses], Nominal Dimensions, and Deformation RequirementsBar DesignationNo.Nominal Weight, lb/ft[Nominal Mass, kg/m]Nominal DimensionsADeformation Requirements, in. [mm]Diameter,in. [mm]Cross-SectionalArea,in.2[mm2]Perimeterin. [mm]MaximumAverageSpacingMinimumAverageHeightMaximum GapChord of 12.5 ofNominalPerimeter3 [10] 0.376 [ 0.560] 0.375 [ 9.5] 0.11 [ 71] 1.178 [ 29.9] 0.262 [ 6.7] 0.015 [0.38] 0.143 [ 3.6]4 [13] 0.668 [ 0.994] 0.500 [12.7] 0.20 [ 129] 1.571 [ 39.9] 0.350 [ 8.9] 0.020 [0.51] 0.191 [ 4.9]5 [16] 1.043 [ 1.552] 0.625 [15.9] 0.31 [ 199] 1.963 [ 49.9] 0.437 [11.1] 0.028 [0.71] 0.239 [ 6.1]6 [19] 1.502 [ 2.235] 0.750 [19.1] 0.44 [ 284] 2.356 [ 59.8] 0.525 [13.3] 0.038 [0.97] 0.286 [ 7.3]7 [22] 2.044 [ 3.042] 0.875 [22.2] 0.60 [ 387] 2.749 [ 69.8] 0.612 [15.5] 0.044 [1.12] 0.334 [ 8.5]8 [25] 2.670 [ 3.973] 1.000 [25.4] 0.79 [ 510] 3.142 [ 79.8] 0.700 [17.8] 0.050 [1.27] 0.383 [ 9.7]9 [29] 3.400 [ 5.060] 1.128 [28.7] 1.00 [ 645] 3.544 [ 90.0] 0.790 [20.1] 0.056 [1.42] 0.431 [10.9]10 [32] 4.303 [ 6.404] 1.270 [32.3] 1.27 [ 819] 3.990 [101.3] 0.889 [22.6] 0.064 [1.63] 0.487 [12.4]11 [36] 5.313 [ 7.907] 1.410 [35.8] 1.56 [1006] 4.430 [112.5] 0.987 [25.1] 0.071 [1.80] 0.540 [13.7]14 [43] 7.65 [11.38 ] 1.693 [43.0] 2.25 [1452] 5.32 [135.1] 1.185 [30.1] 0.085 [2.16] 0.648 [16.5]18 [57] 13.60 [20.24 ] 2.257 [57.3] 4.00 [2581] 7.09 [180.1] 1.58 [40.1] 0.102 [2.59] 0.864 [21.9]AThe nominal dimensions of a deformed bar are equivalent to those of a plain round bar having the same weight [mass] per foot [metre] as the deformed bar.TABLE 2 Chemical Compositions of Alloy TypeComposition Max, AAlloy Type Carbon Chromium Manganese Nitrogen Phosphorus Sulfer Silicon1035 CL 0.3 2.0–3.9 1.5 0.05 0.035 0.045 0.51035 CM 0.2 4.0–7.9 1.5 0.05 0.035 0.045 0.51035 CS 0.15 8.0–10.9 1.5 0.05 0.035 0.045 0.5AMaximum unless range is indicated; percentages refer to weight [mass] percentages.A1035/A1035M − 1526.2 The chemical composition for the different Alloy Typesas shown by heat analysis shall be limited to Table 2 of thisspecification.7. Requirements for Deformations7.1 Deformations shall be spaced along the bar at substan-tially uniform distances. The deformations on opposite sides ofthe bar shall be similar in size, shape, and pattern.7.2 The deformations shall be placed with respect to the axisof the bar so that the included angle is not less than 45. Wherethe line of deformations forms an included angle with the axisof the bar from 45 to 70 inclusive, the deformations shallalternately reverse in direction on each side, or those on oneside shall be reversed in direction from those on the oppositeside. Where the line of deformations is over 70, a reversal indirection shall not be required.7.3 The average spacing or distance between deformationson each side of the bar shall not exceed seven tenths of thenominal diameter of the bar.7.4 The overall length of deformations shall be such that thegap measured as a chord between the ends of the deforma-tions on opposite sides of the bar shall not exceed 121⁄2 ofthe nominal perimeter of the bar. Where the ends terminate ina longitudinal rib, the width of the longitudinal rib shall beconsidered the gap. Where more than two longitudinal ribs areinvolved, the total width of all longitudinal ribs shall notexceed 25 of the nominal perimeter of the bar; furthermore,the summation of gaps shall not exceed 25 of the nominalperimeter of the bar. The nominal perimeter of the bar shall be3.1416 times the nominal diameter.7.5 The spacing, height, and gap of deformations shallconform to the requirements prescribed in Table 1.8. Measurements of Deformations8.1 The average spacing of deformations shall be deter-mined by measuring the length of a minimum of 10 spaces anddividing that length by the number of spaces included in themeasurement. The measurement shall begin from a point on adeformation at the beginning of the first space to a correspond-ing point on a deformation after the last included space.Spacing measurements shall not be made over a bar areacontaining bar marking symbols involving letters or numbers.8.2 The average height of deformations shall be determinedfrom measurements made on not less than two typical defor-mations. Determinations shall be based on three measurementsper deformation, one at the center of the overall length and theother two at the quarter points of the overall length.8.3 Insufficient height, insufficient circumferentialcoverage, or excessive spacing of deformations shall notconstitute cause for rejection unless it has been clearly estab-lished by determinations on each lot tested that typical defor-mation height, gap, or spacing do not conform to the minimumrequirements prescribed in Section 7. No rejection shall bemade on the basis of measurements if fewer than ten adjacentdeformations on each side of the bar are measured.9. Tensile Requirements9.1 The material, as represented by the test specimens, shallconform to the requirements for tensile properties prescribed inTable 3.9.2 The yield strength shall be determined by the offsetmethod 0.2 offset, described in Test Methods and Defini-tions A370.9.3 When material is furnished in coils, the test specimenshall be taken from the coil and straightened prior to placing itin the jaws of the tensile testing machine. See Note 2.NOTE 2Straighten the test specimen to avoid formation of local sharpbends and to minimize cold work. Insufficient straightening prior toattaching the extensometer can result in lower-than-actual yield strengthreadings.9.3.1 Test specimens taken from post-fabricated materialshall not be used to determine conformance to this specifica-tion. See Note 3.NOTE 3Multiple bending distortion from mechanical straighteningand fabricating machines can lead to excessive cold work, resulting inhigher yield strengths, lower elongation values, and a loss of deformationheight.9.4 The percentage of elongation shall be as prescribed inTable 3.10. Bending Requirements10.1 The bend test specimen shall withstand being bentaround a pin without cracking on the outside radius of the bentportion. The requirements for degree of bending and sizes ofpins are prescribed in Table 4. When material is furnished incoils, the test specimen shall be straightened prior to placementin the bend tester.10.2 The bend test shall be made on specimens of sufficientlength to ensure free bending and with apparatus that provides10.2.1 Continuous and uniform application of forcethroughout the duration of the bending operation.10.2.2 Unrestricted movement of the specimen at points ofcontact with the apparatus and bending around a pin free torotate.TABLE 3 Tensile Properties RequirementsType A1035 CL A1035 CM A1035 CSGrade Grade 100 [690] Grade 120 [830] Grade 100 [690] Grade 120 [830] Grade 100 [690] Grade 120 [830]Tensile strength, min, psi [MPa] 130 000 [900] 150 000 [1030] 150 000 [1030] 150 000 [1030] 150 000 [1030] 150 000 [1030]Yield strength 0.2 offset, min, psi[MPa]100 000 [690] 120 000 [830] 100 000 [690] 120 000 [830] 100 000 [690] 120 000 [830]Elongation in 8 in. [200 mm], min, Bar Designation No.3 through 11 [10 through 36] 7 7 7 7 7 714, 18 [43, 57] 6 6 6 6 6 6A1035/A1035M − 15310.2.3 Close wrapping of the specimen around the pinduring the bending operation.10.3 It shall be permissible to use other methods of bendtesting, as described in Test Methods E290, such as placing aspecimen across two round bearings free to rotate and applyingthe bending force

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