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    ASTM A662 A662M-2003 Standard Specification for Pressure Vessel Plates Carbon-Manganese-Silicon Steel for Moderate and Lower Temperature Service.pdf

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    ASTM A662 A662M-2003 Standard Specification for Pressure Vessel Plates Carbon-Manganese-Silicon Steel for Moderate and Lower Temperature Service.pdf

    1、Designation: A 662/A 662M 03Standard Specification forPressure Vessel Plates, Carbon-Manganese-Silicon Steel,for Moderate and Lower Temperature Service1This standard is issued under the fixed designation A 662/A 662M; the number immediately following the designation indicates the yearof original ado

    2、ption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers three grades of carbon-manganese-silicon st

    3、eel plates intended primarily for service inwelded pressure vessels where improved low temperaturenotch toughness is important.1.2 The maximum thickness of plates is limited only by thecapacity of the composition to meet the specified mechanicalproperty requirements; however, current practice normal

    4、lylimits the maximum thickness of plates furnished under thisspecification to 2 in. 50 mm.1.3 Grades A, B, and C comply substantially with therequirements of ISO Pressure Vessel Steels P9, P15, and P18,respectively.1.4 For plates produced from coil and furnished withoutheat treatment or with stress

    5、relieving only, the additionalrequirements, including additional testing requirements and thereporting of additional test results, of Specification A 20/A 20M apply.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

    6、 shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system mustbe used independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.2. Referenced Documents2.1 ASTM Standards:A 20/A 20M Specification f

    7、or General Requirements forSteel Plates for Pressure Vessels3A 435/A 435M Specification for Straight-Beam UltrasonicExamination of Steel Plates3A 577/A 577M Specification for Ultrasonic Angle-BeamExamination of Steel Plates3A 578/A 578M Specification for Straight-Beam UltrasonicExamination of Plain

    8、and Clad Steel Plates for SpecialApplications33. General Requirements and Ordering Information3.1 Plates supplied to this product specification shall con-form to Specification A 20/A 20M, which outlines the testingand retesting methods and procedures, permissible variationsin dimensions and mass, qu

    9、ality, and repair of defects, mark-ing, loading, etc.3.2 Specification A 20/A 20M also establishes the rules forordering information that should be complied with whenpurchasing plates to this specification.3.3 In addition to the basic requirements of this specificationcertain supplementary requireme

    10、nts are available where addi-tional control, testing, or examination is required to meet theend use requirements.3.4 The purchaser is referred to the listed supplementaryrequirements in this specification and to the detailed require-ments in Specification A 20/A 20M.3.5 Coils are excluded from quali

    11、fication to this specifica-tion until they are processed into finished plates. Platesproduced from coil means plates that have been cut toindividual lengths from coil. The processor directly controls, oris responsible for, the operations involved in the processing ofcoils into finished plates. Such

    12、operations include decoiling,leveling, cutting to length, testing, inspection, conditioning,heat treatment (if applicable), packaging, marking, loading forshipment, and certification.NOTE 1For plates produced from coil and furnished without heattreatment or with stress relieving only, three test res

    13、ults are reported foreach qualifying coil. Additional requirements regarding plates from coilare described in Specification A 20/A 20M.3.6 If the requirements of this specification are in conflictwith the requirements of Specification A 20/A 20M, the re-quirements of this specification shall prevail

    14、.1This specification is under the jurisdiction of Committee A01 on Steel,Stainless Steel, and Related Alloys and is the direct responsibility of SubcommitteeA01.11 on Steel Plates for Boilers and Pressure Vessels.Current edition approved Sept. 10, 2003. Published October 2003. Originallyapproved in

    15、1972. Last previous edition approved in 2001 as A 662/A 662M 01.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-662/SA-662M in Section II of that Code.3Annual Book of ASTM Standards, Vol 01.04.1*A Summary of Changes section appears at the end of this standard.Co

    16、pyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4. Manufacture4.1 Steelmaking PracticeThe steel shall be killed andshall conform to the fine austenitic grain size requirement ofSpecification A 20/A 20M.5. Heat Treatment5.1 All plates of

    17、 Grade A and plates of Grades B and C over112 in. 40 mm in thickness shall be normalized.5.2 Plates of Grades B and C, 112 in. 40 mm and under inthickness, are normally supplied in the as-rolled condition. Theplates may be ordered normalized or stress relieved, or both.6. Chemical Requirements6.1 Th

    18、e steel shall conform to the requirements as tochemical composition given in Table 1 unless otherwisemodified in accordance with Supplementary Requirement S17,Vacuum Carbon-Deoxidized Steel, in Specification A 20/A 20M.7. Mechanical Requirements7.1 Tension Test RequirementsThe plates, as represented

    19、by the tension test specimens, shall conform to the require-ments given in Table 2.SUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified in the purchase order. A list ofstandardized supplementary requirements for use at the option of the purchaser is included inSpecif

    20、ication A 20/A 20M. Those that are considered suitable for use with this specification are listedbelow by title.S1. Vacuum Treatment,S2. Product Analysis,S3. Simulated Post-Weld Heat Treatment of MechanicalTest Coupons,S4.1 Additional Tension Test,S5. Charpy V-Notch Impact Test (see Appendix X1),S6.

    21、 Drop Weight Test,S8. Ultrasonic Examination in accordance with Specifica-tion A 435/A 435M,S9. Magnetic Particle Examination,S11. Ultrasonic Examination in accordance with Specifica-tion A 577/A 577M,S12. Ultrasonic Examination in accordance with Specifica-tion A 578/A 578M, andS17. Vacuum Carbon-D

    22、eoxidized Steel.TABLE 1 Chemical RequirementsElementComposition, %Grade A Grade B Grade CHeat Analysis Product Analysis Heat Analysis Product Analysis Heat Analysis Product AnalysisCarbon, max 0.14 0.17 0.19 0.22 0.20 0.24Manganese 0.901.35 0.841.46 0.851.50 0.791.62 1.001.60 0.921.72Phosphorus, max

    23、 0.035 0.035 0.035 0.035 0.035 0.035Sulfur, max 0.035 0.035 0.035 0.035 0.035 0.035Silicon 0.150.40 0.130.45 0.150.40 0.130.45 0.150.50 0.130.55TABLE 2 Tensile PropertiesGrade A Grade B Grade CTensile strength, ksi MPa 587840054065854505857090485620Yield strength,Amin, ksi MPa 40 275 40 275 43 295El

    24、ongation in 8 in. 200 mm,min, %B20 20 18Elongation in 2 in. 50 mm,min, %B23 23 22ADetermined by either the 0.2 % offset method or the 0.5 % extension-under-load method.BSee Specification A 20/A 20M for elongation adjustments.A 662/A 662M 032APPENDIX(Nonmandatory Information)X1. NOTCH TOUGHNESSX1.1 W

    25、hen Charpy V-notch testing is required, theminimum values listed in Table X1.1 will be guaranteedonnormalized material for the temperature specified by thepurchaser.TABLE X1.1 Charpy V-Notch RequirementsATestingTemperature,F CGrade A Grades B and CLongitudinalSpecimens,ftlbf JTransverseSpecimens,ftl

    26、bf JLongitudinalSpecimens,ftlbf JTransverseSpecimens,ftlbf J75 60 20 27 15 20 15 20 .60 50 30 41 18 24 20 27 .50 45 35 47 19 26 22 30 15 2040 40 40 54 20 27 25 34 20 2725 32 45 61 25 34 30 41 20 270 18 55 75 30 41 35 47 25 3432 0 70 95 35 47 40 54 25 3475 25 75 102 40 54 50 68 30 41AThe above values

    27、 apply to the average of three full size specimens. Values for subsize specimens are denoted as listed in Specification A 20/A 20M.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue (A 662/A662M 01e1) that may impact the use of this

    28、standard.(1) 1.4, 3.5, and Note 1 were revised to be consistent with theterminology and requirements of Specification A 20/A 20M.(2) 3.3 was revised to be more general.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin t

    29、his standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must

    30、be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of there

    31、sponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700,

    32、West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).A 662/A 662M 033


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