1、Designation:A455/A455M03(Reapproved2007) Designation: A455/A455M 12Standard Specification forPressure Vessel Plates, Carbon Steel, High-StrengthManganese1This standard is issued under the fixed designation A455/A455M; 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 () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers high-tensile strength carbon-manganese steel
3、 plates intended for welded pressure vessels.1.2 This steel is usually made to a semi-killed or capped deoxidation practice; however, at the purchasers or the steel producersoption, the steel may be made silicon-killed or aluminum-killed.1.3 The maximum thickness of plates furnished under this speci
4、fication shall be34 in. 20 mm.1.4For1.4 For plates produced from coil and furnished without heat treatment or with stress relieving only, the additionalrequirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20Mapply.1.5 The values
5、stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI unitsare shown 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 system
6、s may result in nonconformance with the specification.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels3. General Requirements and Ordering Information3.1Plates3.1 Material supplied to this productmaterial specification s
7、hall conform to Specification A20/A20M, which outlinesthe testing and retesting methods and procedures, permissible variations in dimensions and mass, quality and repair of defects,marking, loading, etc.3.2Specification . These requirements outline the testing and retesting methods and procedures, p
8、ermitted variations indimensions, and mass, quality and repair of defects, marking, loading, and ordering information.3.2 In addition to the basic requirements of this specification, certain supplementary requirements are available when additionalcontrol, testing, or examination is required to meet
9、end use requirements. The purchaser is referred to the listed supplementaryrequirements in this specification and to the detailed requirements in SpecificationA20/A20Malso establishes the rules for orderinginformation that should be complied with when purchasing plates to this specification.3.3In ad
10、dition to the basic requirements of this specification, certain supplementary requirements are available where additionalcontrol, testing, or examination is required to meet end use requirements.3.4The purchaser is referred to the listed supplementary requirements in this specification and to the de
11、tailed requirements inSpecification A20/A20M.3.5Coils3.3 Coils are excluded from qualification to this specification until they are processed into finished plates. Platesproduced from coil means plates that have been cut to individual lengths from coil. The processor directly controls, or isresponsi
12、ble for, the operations involved in the processing of coils into finished plates. Such operations include decoiling, leveling,cutting to length, testing, inspection, conditioning, heat treatment (if applicable), packaging, marking, loading for shipment, andcertification.NOTE 1For plates produced fro
13、m 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.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,
14、 Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.11on Steel Plates for Boilers and Pressure Vessels.Current edition approved Nov.May 1, 2007.2012. Published March 2008.June 2012. Originally approved in 1961. Last previous edition approved in 20032007 asA455/A4
15、55M 03 (2007). DOI: 10.1520/A0455_A0455M-03R07.10.1520/A0455_A0455M-12.2For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-455/SA-455M in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at
16、 serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary 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 ver
17、sion. 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 sec
18、tion appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.6If3.4 If the requirements of this specification are in conflict with the requirements of Specification A20/A20M, therequirements of this speci
19、fication shall prevail.4. Heat Treatment4.1 Plates are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both.5. Chemical Composition5.1 The steel shall conform to the chemical requirements given in Table 1.6. Mechanical Properties6.1 Tension T
20、estThe plates, as represented by the tension test specimens, shall conform to the requirements given in Table 2.7. Keywords7.1 carbon steel; high-strength steel plate for pressure purposes; welded pressure vesselsSUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified i
21、n the purchase order. A list ofstandardized supplementary requirements for use at the option of the purchaser is included inSpecification A20/A20M. Those that are considered suitable for use with this specification are listedbelow by title.S3. Simulated Post-Weld Heat Treatment of Mechanical Test Co
22、upons.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A455/A455M01) that may impact the use of this standard.(1) 1.4, 3.5, and Note 1 were revised to be consistent with the terminology and requirements of Specification A20/A20M.(2
23、) 3.3 was revised to be more general.Committee A01 has identified the location of selected changes to this standard since the last issue(A455/A455M 03 (2007) that may impact the use of this standard. (Approved May 1, 2012.)TABLE 1 Chemical RequirementsElements Composition, %Carbon, maxA,B0.33Mangane
24、se:Heat analysis 0.851.20Product analysis 0.791.30Phosphorus, maxA0.035Phosphorus, maxA0.025Sulfur, maxA0.035Sulfur, maxA0.025Silicon:CHeat analysis 0.10 maxProduct analysis 0.13 maxAApplies to both heat and product analyses.BWhen the silicon is higher than 0.10 %, the carbon maximum shall be 0.28 %
25、.CAt the purchasers or the producers option, silicon may be 0.40 % max on heatanalysis, 0.45 % max on product analysis.TABLE 2 Tensile RequirementsThicknessUp to 0.375 in.9.5 mmOver 0.375 to 0.580 in.15 mmOver 0.580 to 0.750 in.20 mmTensile strength, ksi MPa 7595 515655 7393 505640 7090 485620Yield
26、strength, min, ksi MPa 38 260 37 255 35 240Elongation in 8 in. 200 mm, min, %A15 15 15Elongation in 2 in. 50 mm, min, %A22 22 22ASee Specification A20/A20M for elongation adjustments.A455/A455M 122(1) Table 1 was revised.(2) Section 3 was editorially revised.(3) Section 7 was added.ASTM Internationa
27、l takes no position respecting the validity of any patent rights 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 o
28、wn responsibility.This standard is subject to revision at any 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 a
29、ddressed to ASTM International Headquarters. Your comments will 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,
30、at the address shown below.This standard is copyrighted by ASTM 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 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/).A455/A455M 123
