ASTM A285 A285M-2003 Standard Specification for Pressure Vessel Plates Carbon Steel Low- and Intermediate-Tensile Strength《压力容器用低、中抗拉强度碳钢板的标准规范》.pdf

1、Designation: A 285/A285M 03Standard Specification forPressure Vessel Plates, Carbon Steel, Low- andIntermediate-Tensile Strength1This standard is issued under the fixed designation A 285/A285M; the number immediately following the designation indicates the yearof original adoption or, in the case of

2、 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.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specifi

3、cation2covers carbon steel plates of low-and intermediate-tensile strengths which may be made bykilled, semi-killed, capped, or rimmed steel practices at theproducers option. These plates are intended for fusion-weldedpressure vessels.1.2 Plates under this specification are available in threegrades

4、having different strength levels as follows:GradeTensile Strength,ksi MPaA 4565 310450B 5070 345485C 5575 3805151.3 The maximum thickness of plates under this specifica-tion, for reasons of internal soundness, is limited to a maximumthickness of 2 in. 50 mm for all grades.NOTE 1For killed carbon ste

5、els only refer to the following ASTMspecifications:3A 299/A 299M Pressure Vessel Plates, Carbon Steel, Manganese-Silicon.A 515/A 515M Pressure Vessel Plates, Carbon Steel, for Intermediate-and Higher-Temperature Service.A 516/A 516M Pressure Vessel Plates, Carbon Steel, for Moderate- andLower-Temper

6、ature Service.1.4 For plates produced from coil and furnished withoutheat treatment or with stress 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

7、-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 are not exact equivalents; therefore, each system mustbe used independently of the other. Combining values from thetwo systems may result in nonconfo

8、rmance with the specifi-cation.2. Referenced Documents2.1 ASTM Standards:A 20/A 20M Specification for General Requirements forSteel Plates for Pressure Vessels33. General Requirements and Ordering Information3.1 Plates supplied to this product specification shall con-form to Specification A 20/A 20M

9、, which outlines the testingand retesting methods and procedures, permissible variationsin dimensions and mass, quality and repair of defects, marking,loading, etc.3.2 Specification A 20/A 20M also establishes the rules forordering information that should be complied with whenpurchasing plates to th

10、is specification.3.3 In addition to the basic requirements of this specifica-tion, certain supplementary requirements are available whereadditional control, testing, or examination is required to meetend use requirements.3.4 The purchaser is referred to the listed supplementaryrequirements in this s

11、pecification and to the detailed require-ments in Specification A 20/A 20M.3.5 Coils are excluded from qualification to this specifica-tion until they are processed into finished plate. Plates pro-duced from coil means plates that have been cut to individuallengths from coil. The processor directly

12、controls, or isresponsible for, the operations involved in the processing ofcoils into finished plates. Such operations include decoiling,leveling, cutting to length, testing, inspection, conditioning,heat treatment (if applicable), packaging, marking, loading forshipment, and certification.NOTE 2Fo

13、r plates produced from coil and furnished without heattreatment or with stress relieving only, three test results are reported foreach qualifying coil. Additional requirements regarding plate producedfrom coil are described in Specification A 20/A 20M.1This specification is under the jurisdiction of

14、 ASTM 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 1946. Last previous edition approved in 2001

15、 as A 285/A 285M 01.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-285/SA-285M 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.Copyright ASTM International, 100 Barr Harbor

16、Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.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.4. Heat Treatment4.1 Plates are normally supplied in the as-rolled

17、 condition.The plates may be ordered normalized or stress relieved, orboth.5. Chemical Composition5.1 The steel shall conform to the requirements as tochemical composition as given in Table 1.6. Mechanical Properties6.1 Tension TestThe plates, as represented by the tensiontest specimens, shall confo

18、rm to the requirements given inTable 2.SUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified in the purchase order.A list of standardized supplementary requirements for use at the option of the purchaser is includedin Specification A 20/A 20M. Those that are considere

19、d suitable for use with this specification arelisted below by title.S3. Simulated Post-Weld Heat Treatment of MechanicalTest Coupons, andS4. Additional Tension Test.ADDITIONAL SUPPLEMENTARY REQUIREMENTSAlso listed below are additional optional supplementary requirements suitable for this specificati

20、on:S57. Copper-BearingS57.1 The copper content, by heat analysis shall be0.200.35 % and by product analysis 0.180.37 %.S58. Restricted CopperS58.1 The maximum incidental copper content by heatanalysis shall not exceed 0.25 %.TABLE 1 Chemical RequirementsElements Composition, %Grade A Grade B Grade C

21、Carbon, maxA0.17 0.22 0.28Manganese, maxHeat analysis 0.90 0.90 0.90Product analysis 0.98 0.98 0.98Phosphorus, maxA0.035 0.035 0.035Sulfur, maxA0.035 0.035 0.035AApplies to both heat and product analyses.TABLE 2 Tensile RequirementsGrade A Grade B Grade Cksi MPa ksi MPa ksi MPaTensile strengthYield

22、strength, minA456524310450165507027345485185557530380515205Elongation in 8 in. or 200 mm, min, %BElongation in 2 in. or 50 mm, min, %B273025282327ADetermined by either the 0.2 % offset method or the 0.5 % extension-under-load method.BSee Specification A 20/A 20M for elongation adjustment.A 285/A285M

23、 032SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue (A 285/A285M 01) that may impact the use of this standard.(1) 1.4, 3.5, and Note 2 were revised to be consistent with theterminology and requirements of Specification A 20/A 20M.

24、ASTM International 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

25、 entirely their own 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 standar

26、dsand should be addressed 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 Committ

27、ee on Standards, 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).A 285/A285M 033