1、Designation:A612/A612M03(Reapproved2007) Designation: A612/A612M 12Standard Specification forPressure Vessel Plates, Carbon Steel, High Strength, forModerate and Lower Temperature Service1This standard is issued under the fixed designation A612/A612M; the number immediately following the designation
2、 indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers killed car
3、bon-manganese-silicon steel plates intended for welded pressure vessels in service atmoderate and lower temperatures.1.2 The maximum thickness of plates supplied under this specification is 1 in. 25 mm.1.3For1.3 For plates produced from coil and furnished without heat treatment or with stress reliev
4、ing only, the additionalrequirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20Mapply.1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI unitsare shown
5、in brackets. The values stated in each system are not exact equivalents; therefore, each system must be usedindependently of the other. Combining values from the two systems may result in nonconformance with the specification.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for Gene
6、ral Requirements for Steel Plates for Pressure VesselsA435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel PlatesA577/A577M Specification for Ultrasonic Angle-Beam Examination of Steel PlatesA578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plate
7、s for Special Applications3. General Requirements and Ordering Information3.1Plates3.1 Material supplied to this product specification shall conform to SpecificationA20/A20M, which outlines the testingand retesting methods and procedures, permissible variations in dimensions and mass, quality and re
8、pair of defects, marking,loading, and so forth.3.2Specification . These requirements outline the testing and retesting methods and procedures, permitted variations indimensions and mass, quality and repair of defects, marking, loading, and ordering information.3.2 In addition to the basic requiremen
9、ts of this specification, certain supplementary requirements are available where additionalcontrol, testing, or examination is required to meet end use requirements. The purchaser is referred to the listed supplementaryrequirements in this specification and to the detailed requirements in Specificat
10、ionA20/A20Malso establishes the rules for orderinginformation that should be complied with when purchasing material to this specification.3.3In addition to the basic requirements of this specification, certain supplementary requirements are available where additionalcontrol, testing, or examination
11、is required to meet end use requirements.3.4The purchaser is referred to the listed supplementary requirements in this specification and to the detailed requirements inSpecification A20/A20M.3.5Coils3.3 Coils are excluded from qualification to this specification until they are processed into finishe
12、d plates. Platesproduced from coil means plates that have been cut to individual lengths from coil. The processor directly controls, or isresponsible for, the operations involved in the processing of coils into finished plates. Such operations include decoiling, leveling,cutting to length, testing,
13、inspection, conditioning, heat treatment (if applicable), packaging, marking, loading for shipment, andcertification.1This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.11on Steel Plates
14、 for Boilers and Pressure Vessels.Current edition approved Nov.May 1, 2007.2012. Published March 2008.June 2012. Originally approved in 1970. Last previous edition approved in 2003 asA612/A612M 03 (2007). DOI: 10.1520/A0612_A0612M-03R07.10.1520/A0612_A0612M-12.2For ASME Boiler and Pressure Vessel Co
15、de applications see related Specification SA-612/SA-612M in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary
16、page on the ASTM website.1This 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 version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends th
17、at 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 section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West
18、 Conshohocken, PA 19428-2959, United States.NOTE 1For plates produced from coil and furnished without heat treatment or with stress relieving only, three test results are reported for eachqualifying coil. Additional requirements regarding plates from coil are described in Specification A20/A20M.3.6I
19、f3.4 If the requirements of this specification are in conflict with the requirements of Specification A20/A20M, therequirements of this specification shall prevail.4. Materials and Manufacture4.1 Steelmaking PracticeThe steel shall be killed and shall conform to the fine austenitic grain size requir
20、ement ofSpecification A20/A20M.5. Heat Treatment5.1 Plates are normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both.6. Chemical Composition6.1 The steel shall conform to the requirements as to chemical composition given in Table 1 unless otherwis
21、e modified inaccordance with Supplementary Requirement S17, Vacuum Carbon-Deoxidized Steel, in Specification A20/A20M.7. Mechanical Properties7.1 Tension TestThe plates, as represented by the tension test specimens, shall conform to the requirements given in Table 2.8. Keywords8.1 carbon steel; stee
22、l plates for pressure vessels; lower temperature service; high strength steel platesTABLE 1 Chemical RequirementsElements Composition, %Carbon, max:Carbon, max:AHeat analysis 0.25Product analysis 0.29ManganeseManganeseAHeat analysis 1.001.50Product analysis 0.921.62Phosphorus, maxA0.035Phosphorus, m
23、axB0.025Sulfur, maxA0.025Sulfur, maxB0.025SiliconHeat analysis 0.150.50Product analysis 0.130.55Copper, max:BCopper, max:CHeat analysis 0.35Product analysis 0.38Nickel, max:BNickel, max:CHeat analysis 0.25Product analysis 0.28Chromium, max:BChromium, max:CHeat analysis 0.25Product analysis 0.29Molyb
24、denum, max:BMolybdenum, max:CHeat analysis 0.08Product analysis 0.09Vanadium, max:BVanadium, max:CHeat analysis 0.08Product analysis 0.09AAFor each reduction of 0.01 percentage point below the specified carbonmaximum, an increase of 0.06 percentage point manganese above the specifiedmaximum is permi
25、tted up to a maximum of 1.65 % for heat andalysis (1.70 % forproduct analyseis).BApplies to both heat and product analyses.CWhen analysis shows that the amount of an element is 0.02 % or lower, thevalue may be reported as #0.02 %.A612/A612M 122SUPPLEMENTARY REQUIREMENTSSupplementary requirements sha
26、ll not apply unless specified in the purchase order.Alist of standardized supplementary requirements for use at the option of the purchaser are includedin SpecificationA20/A20M. Those that are considered suitable for use with this specification are listedby title.S1. Vacuum Treatment,S2. Product Ana
27、lysis,S3. Simulated Post-Weld Heat Treatment of Test Coupons,S4.1 Additional Tension Test,S5. Charpy V-Notch Impact Test,S6. Drop Weight Test (for Material 0.625 in. 16 mm and over in Thickness),S7. High Temperature Tension Test,S8. Ultrasonic Examination in accordance with Specification A435/A435M,
28、S9. Magnetic Particle Examination,S11. Ultrasonic Examination in accordance with Specification A577/A577M,S12. Ultrasonic Examination in accordance with Specification A578/A578M, andS17. Vacuum Carbon-Deoxidized Steel.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to
29、 this standard since the last issue(A612/A612M01) that may impact the use of this standard.(1) 1.3, 3.6, and Note 1 were revised to be consistent with the terminology and requirements of Specification A20/A20M.(2) 3.3 was revised to be more general.Committee A01 has identified the location of select
30、ed changes to this standard since the last issue(A612/A612M 03 (2007) that may impact the use of this standard. (Approved May 1, 2012.)(1) Table 1 was revised.(2) Section 3 was editorially revised.(3) Section 8 was added.ASTM International takes no position respecting the validity of any patent righ
31、ts asserted in connection with any item mentionedin this 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
32、time by the responsible technical committee and must 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 wil
33、l receive careful consideration at a meeting of theresponsible 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 AST
34、M International, 100 Barr Harbor Drive, PO Box C700, 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
35、 through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 2 Tensile RequirementsThickness0.5 in 12.5 mm and UnderOver 0.5 in. to 1 in. Over 12.5 to25 mmTensile strength, ksi MPa 83105 570725 81101 560695Yield strength, min,Aksi MPa 50 345 50 345Elongation in 8 in. 200 mm, min, %B16 16Elongation in 2 in. 50 mm, min, %B22 22ADetermined by either the 0.2 % offset method or the 0.5 % extension-under-load method.BSee Specification A20/A20M for elongation adjustments.A612/A612M 123
