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    ASTM A1035 A1035M-2013b Standard Specification for Deformed and Plain Low-Carbon Chromium Steel Bars for Concrete Reinforcement《混凝土钢筋用变形和普通低碳含铬棒材的标准规格》.pdf

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    ASTM A1035 A1035M-2013b Standard Specification for Deformed and Plain Low-Carbon Chromium Steel Bars for Concrete Reinforcement《混凝土钢筋用变形和普通低碳含铬棒材的标准规格》.pdf

    1、Designation: A1035/A1035M 13aA1035/A1035M 13bStandard 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 adopt

    2、ion 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 low-carbon, chromium, steel bars, deformed and

    3、 plain for concrete reinforcement in cut lengthsand coils. The standard sizes and dimensions of deformed bars and their number designations are given in Table 1. The text of thisspecification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding thos

    4、e intables and figures) shall not be considered as requirements of the specification.21.2 Bars are of two minimum yield strength levels as defined in 9.2: namely, 100 000 psi 690 MPa, and 120 000 830 MPadesignated as Grade 100 690 and Grade 120 830, respectively.1.3 Deformed bars shall have a minimu

    5、m yield strength and other tensile properties in accordance with Table 2. Hot-rolled plainrounds in sizes up to and including 2.25 in. 57.2 mm in diameter in coils or cut lengths when specified for dowels, spirals,structural ties or bar supports shall be furnished under this specification and shall

    6、also meet the tensile properties requirements ofTable 2. Ductility properties for plain rounds shall be those of the nearest smaller nominal diameter deformed bar size in Table2. Requirements covering deformation dimensions and marking are not applicable to plain rounds.NOTE 1Welding of the material

    7、 in this specification should be approached with caution since no specific provisions have been included to enhanceits weldability. When this steel is to be welded, a welding procedure suitable for the chemical composition and intended use or service should be used.1.4 Requirements for alternate bar

    8、 sizes are presented in Annex A1. The requirements in Annex A1 only apply when specifiedby the purchaser (see 4.1.104.2.4).1.5 This specification is applicable for orders in either inch-pound units (as Specification A1035) or in SI units (as SpecificationA1035M).1.6 The values stated in either inch-

    9、pound units or SI units are to be regarded as standard. Within the text, the SI units are shownin brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of theother. Combining values from the two systems may result in nonconformance wi

    10、th the specification.2. Referenced Documents2.1 ASTM Standards:3A6/A6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet PilingA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA510 Specification for General Requirements for Wi

    11、re Rods and Coarse Round Wire, Carbon SteelA510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel (Metric) (Withdrawn2011)4A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for ShipmentA751 Test Methods, Practices, and Terminology f

    12、or Chemical Analysis of Steel ProductsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A0

    13、1.05on Steel Reinforcement.Current edition approved July 1, 2013Oct. 1, 2013. Published July 2013November 2013. Originally approved in 2004. Last previous edition approved in 2013 asA1035/A1035M 13.A1035/A1035M 13a. DOI: 10.1520/A1035_A1035M-13A.10.1520/A1035_A1035M-13B.2 MMFX Technologies Corporati

    14、on has several patented materials (US Patents #6,273,968, #6,709,534, #7,118,637, #7,214,278) that meet this specification. Interestedparties are invited to submit information regarding the identification of an alternative(s) to this patented item to the ASTM International Headquarters. Your comment

    15、s willreceive careful consideration at a meeting of the responsible technical committee,1 which you may attend.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the st

    16、andards Document Summary page on the ASTM website.4 The last approved version of this historical standard is referenced on www.astm.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous vers

    17、ion. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes sect

    18、ion 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 Standard:5MIL-STD-129 Marking for Shipment and Storage2.3 U.S. Federal Standard:5Fed. Std. No. 123 Marking for Shipment (Civil Ag

    19、encies)3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 deformations, nprotrusions on a deformed bar.3.1.2 deformed bar, nsteel bar with protrusions; a bar that is intended for use as reinforcement in reinforced concreteconstruction.3.1.2.1 DiscussionThe surface of the bar is p

    20、rovided with lugs or protrusions that inhibit longitudinal movement of the bar relative to the concretesurrounding the bar in such construction. The lugs or protrusions conform to the provisions of this specification.3.1.3 lot, nall the bars of one bar size or pattern of deformation contained in an

    21、individual shipping release or shipping order.3.1.4 plain bar, nsteel bar without protrusions.3.1.5 rib, nlongitudinal protrusion on a deformed bar.4. Ordering Information4.1 It shall be the responsibility of the purchaser to specify all requirements that are necessary for material ordered to thissp

    22、ecification. Such requirements shall include but are not limited to the following:Orders for low-carbon, chromium steel bars forconcrete reinforcement under this specification shall contain the following information:5 Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbin

    23、s 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/ftNominal Mass, kg/mNominal DimensionsA Deformation Requ

    24、irements, in. mmDiameter,in. mmCross-SectionalArea,in.2 mm2Perimeterin. mmMaximumAverageSpacingMinimumAverageHeightMaximum Gap(Chord of 12.5 %ofNominalPerimeter)3 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 3.64 13 0.668 0.994 0.500 12.7 0.20 129 1.571 39.9 0.350 8.9 0.020

    25、 0.51 0.191 4.95 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 6.16 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 7.37 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 8.58 25 2.670 3.973 1.000 25.4 0.79 510 3.142 79.8

    26、0.700 17.8 0.050 1.27 0.383 9.79 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 10.910 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 12.411 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 13.714 43 7.65 11.38 1.693 4

    27、3.0 2.25 1452 5.32 135.1 1.185 30.1 0.085 2.16 0.648 16.518 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 21.9A The 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 Ten

    28、sile Properties RequirementsGrade 100 690 Grade 120 830Tensile strength, min, psi MPa 150 000 1030 150 000 1030Yield strength (0.2 % offset), min,psi MPa100 000 690 120 000 830Stress corresponding to anextension underload of 0.0035 in./in. 0.0035mm/mm,min, psi MPa80 000 550 90 000 620Elongation in 8

    29、 in. 200 mm, min,%:Bar Designation No.3 through 11 10 through 36 7 714, 18 43, 57 6 A1035/A1035M 13b24.1.1 Quantity (weight) mass,4.1.2 Name of material: low-carbon, chromium, steel bars for concrete reinforcement,Deformed or plain,4.1.3 Size,Bar designation number (size) of deformed bars, or nomial

    30、 diameter (size) of plain bars,4.1.4 Cut lengths or coils,4.1.5 Deformed or plain,4.1.6 Grade,4.1.7 Packaging (see Section 21),4.1.5 ASTM designation and year of issue, andGrade, and4.1.6 Certified mill testASTM designation A1035 reports,A1035M and and year-date of issue.4.1.10 Optional requirements

    31、 of Annex A1, if applicable.4.2 The purchaser shall have the option to specify additional requirements, including but not limited to, the following:4.2.1 Certified mill test reports (see Section 16),4.2.2 Special package marking requirements (21.2),4.2.3 Other special requirements, if any, and4.2.4

    32、Optional requirements of Annex A1.5. Materials and Manufacture5.1 The bars shall be rolled from properly identified heats of mold cast or strand cast steel using the basic oxygen,electric-furnace, or open-hearth process.6. Chemical Composition6.1 The chemical analysis of each heat shall be determine

    33、d in accordance with Test Methods, Practice, and Terminology A751.The manufacturer shall make the analysis on test samples taken preferably during the pouring of the heat. The percentages ofcarbon, manganese, phosphorus, sulfur, silicon, chromium, and nitrogen, shall be determined and reported as re

    34、quired in Section16.6.2 The chemical composition as shown by heat analysis shall be limited by the following:Element max, %ACarbon 0.15 %Chromium 8.0 to 10.9 %Manganese 1.5 %Nitrogen 0.05 %Phosphorus 0.035 %Sulfur 0.045 %Silicon 0.50 %A Maximum unless range is indicated percentages refer to weight p

    35、ercentages.7. Requirements for Deformation7.1 Deformations shall be spaced along the bar at substantially uniform distances. The deformations on opposite sides of thebar shall be similar in size, shape, and pattern.7.2 The deformations shall be placed with respect to the axis of the bar so that the

    36、included angle is not less than 45. Wherethe line of deformations forms an included angle with the axis of the bar from 45 to 70 inclusive, the deformations shall alternatelyreverse in direction on each side, or those on one side shall be reversed in direction from those on the opposite side. Where

    37、theline of deformations is over 70, a reversal in direction shall not be required.7.3 The average spacing or distance between deformations on each side of the bar shall not exceed seven tenths of the nominaldiameter of the bar.7.4 The overall length of deformations shall be such that the gap (measur

    38、ed as a chord) between the ends of the deformationson opposite sides of the bar shall not exceed 1212 % of the nominal perimeter of the bar.Where the ends terminate in a longitudinalrib, the width of the longitudinal rib shall be considered the gap. Where more than two longitudinal ribs are involved

    39、, the totalwidth of all longitudinal ribs shall not exceed 25 % of the nominal perimeter of the bar; furthermore, the summation of gaps shallnot exceed 25 % of the nominal perimeter of the bar. The nominal perimeter of the bar shall be 3.1416 times the nominal diameter.7.5 The spacing, height, and g

    40、ap of deformations shall conform to the requirements prescribed in Table 1.8. Measurements of Deformation8.1 The average spacing of deformations shall be determined by measuring the length of a minimum of 10 spaces and dividingthat length by the number of spaces included in the measurement. The meas

    41、urement shall begin from a point on a deformation atthe beginning of the first space to a corresponding point on a deformation after the last included space. Spacing measurements shallnot be made over a bar area containing bar marking symbols involving letters or numbers.A1035/A1035M 13b38.2 The ave

    42、rage height of deformations shall be determined from measurements made on not less than two typical deformations.Determinations shall be based on three measurements per deformation, one at the center of the overall length and the other twoat the quarter points of the overall length.8.3 Insufficient

    43、height, insufficient circumferential coverage, or excessive spacing of deformations shall not constitute cause forrejection unless it has been clearly established by determinations on each lot tested that typical deformation height, gap, or spacingdo not conform to the minimum requirements prescribe

    44、d in Section 7. No rejection shall be made on the basis of measurementsif fewer than ten adjacent deformations on each side of the bar are measured.9. Tensile Requirements9.1 The material, as represented by the test specimens, shall conform to the requirements for tensile properties prescribed inTab

    45、le 2.9.2 The yield strength shall be determined by the offset method (0.2 % offset), described in Test Methods and Definitions A370.In addition, the stress corresponding to a tensile strain of 0.0035 shall be a minimum of 80 000 psi 550 MPa for Grade 100 and90 000 psi 620 MPa for Grade 120.NOTE 2The

    46、 stress-strain curves for bars meeting this specification do not have a well-defined yield point (that is, yield is not characterized by a sharpknee or discontinuity similarly to stainless steel bars). The provisions of 9.2 require that the yield strength (minimum 100 000 psi for Grade 100 690MPa an

    47、d minimum 120 000 psi for Grade 120 830 MPa, respectively) be measured by the 0.2 % offset method and that the stress corresponding toa strain of 0.0035 be a minimum of 80 000 psi for Grade 100 and 90 000 psi 620 MPa for Grade 120. Experimental results for concrete beams reinforcedwith bars meeting

    48、this specification show that the flexural strength of under-reinforced members is conservatively predicted based on the yield strengthmeasured using the 0.2 % offset method. The minimum stress corresponding to a tensile strain of 0.0035 is required to ensure that the specified steel isat least as stiff at lower strains as lower-strength reinforcing bars.9.3 The percentage of elongation shall be as prescribed in Table 2.10. Bending Requirements10.1 The bend test specimen shall withstand being bent around a pin without cracking on the outside radius of the bent portion.The requir


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