ASTM A203A203M-17 Standard Specification for Pressure Vessel Plates, Alloy Steel, Nickel.pdf

1、Designation: A203/A203M 17Standard Specification forPressure Vessel Plates, Alloy Steel, Nickel1This standard is issued under the fixed designation A203/A203M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revisi

2、on. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification2covers nickel-alloy ste

3、el plates in-tended primarily for welded pressure vessels.1.2 Plates under this specification are available with fourstrength levels and two nickel compositions as follows:GradeNominal NickelContent %Yield Strength, min,ksi MPaTensile Strength,min, ksi MPaA 2.25 37 255 65 450B 2.25 40 275 70 485D 3.

4、50 37 255 65 450E 3.50 40 275 70 485F 3.502 in. 50 mm and under 55 380 80 550Over 2 in. 50 mm 50 345 75 5151.3 The maximum thickness of plates is limited only by thecapacity of the composition to meet the specified mechanicalproperty requirements.1.4 The values stated in either inch-pound units or S

5、I 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 nonconformance with this

6、specifi-cation.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization Techn

7、icalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements for SteelPlates for Pressure VesselsA435/A435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA577/A577M Specification for Ultrasonic Angle-Beam Ex-a

8、mination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tions3. General Requirements and Ordering Information3.1 Material supplied to this material specification shallconform to Specification A20/A20M. These requirements out

9、-line the testing and retesting methods and procedures, permit-ted variations in dimensions, and mass, quality and repair ofdefects, marking, loading, and ordering information.3.2 In addition to the basic requirements of thisspecification, certain supplementary requirements are availablewhen additio

10、nal control, testing, or examination is required tomeet end use requirements. The purchaser is referred to thelisted supplementary requirements in this specification and tothe detailed requirements in Specification A20/A20M.3.3 If the requirements of this specification are in conflictwith the requir

11、ements of Specification A20/A20M, the require-ments of this specification shall prevail.4. Materials and Manufacture4.1 Steelmaking PracticeThe steel shall be killed andshall conform to the fine grain size requirement of Specifica-tion A20/A20M.5. Heat Treatment5.1 All plates shall be thermally trea

12、ted as follows:1This specification is under the jurisdiction of 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 Nov. 1, 2017. Published November 2017. Origi

13、nallyapproved in 1937. Last previous edition approved in 2012 as A203/A203M 12.DOI: 10.1520/A0203_A0203M-17.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-203/SA-203M in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.or

14、g, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C70

15、0, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the Wo

16、rld Trade Organization Technical Barriers to Trade (TBT) Committee.15.1.1 All plates of Grades A, B, D, and E shall be normal-ized except as permitted by 5.1.1.1.5.1.1.1 If approved by the purchaser for GradesA, B, D, andE, cooling rates faster than air cooling are permissible forimprovement of the

17、toughness, provided the plates are subse-quently tempered at not less than 1100F 595C for not lessthan12 h.5.1.2 All plates of Grade F shall be heat treated by heatinginto the austenitic range, quenching in water, and tempering atnot less than 1100F 595C for not less than12 h.6. Chemical Composition

18、6.1 The steel shall conform to the chemical requirementsshown in Table 1 unless otherwise modified in accordance withSupplementary Requirement S17, Vacuum Carbon-DeoxidizedSteel, in Specification A20/A20M.7. Mechanical Properties7.1 Tension Test RequirementsThe material as representedby the tension

19、test specimens shall conform to the requirementsshown in Table 2.7.1.1 For plates that have been heat treated in accordancewith 5.1.1.1 or 5.1.2 and have a nominal thickness of34 in. 20mm and under, the 112-in. (40-mm) wide rectangular speci-men may be used for the tension test, and the elongation m

20、aybe determined in a 2-in. 50-mm gage length that includes thefracture and that shows the greatest elongation. When thisspecimen is used, the elongation shall be not less than 23 %.7.2 Impact Test Requirements:7.2.1 Plates of Grades A, B, D, and E that have been heattreated in accordance with 5.1.1.

21、1 shall be Charpy V-notchimpact tested. The impact test shall meet 20 ft lbf 27 J. Thetest temperature and orientation shall be a matter of agreementbetween the purchaser and supplier.7.2.2 Grade F plates shall be impact tested in accordancewith Supplementary Requirement S5 in Specification A20/A20M

22、.8. Keywords8.1 alloy steel plate; nickel alloy steel; pressure containingparts; pressure vessel steels; steel plates; steel plates forpressure vessel applicationsTABLE 1 Chemical RequirementsElementsComposition, %Grade A Grade B Grade D Grades E and FCarbon, max:AUp to 2 in. 50 mm in thickness 0.17

23、 0.21 0.17 0.20Over 2 in. to 4 in. 100 mm incl. in thickness 0.20 0.24 0.20 0.23Over 4 in. 100 mm in thickness 0.23 0.25 . .Manganese, max:Heat analysis:2 in. 50 mm and under 0.70 0.70 0.70 0.70Over 2 in. 50 mm 0.80 0.80 0.80 0.80Product analysis:2 in. 50 mm and under 0.78 0.78 0.78 0.78Over 2 in. 5

24、0 mm 0.88 0.88 0.88 0.88Phosphorus, maxA0.025 0.025 0.025 0.025Sulfur, maxA0.025 0.025 0.025 0.025Silicon:Heat analysis 0.150.40 0.150.40 0.150.40 0.150.40Product analysis 0.130.45 0.130.45 0.130.45 0.130.45Nickel:Heat analysis 2.102.50 2.102.50 3.253.75 3.253.75Product analysis 2.032.57 2.032.57 3.

25、183.82 3.183.82AApplies to both heat and product analyses.TABLE 2 Tensile RequirementsGrades A and D Grades B and E Grade Fksi MPa ksi MPa ksi MPaTensile strength2 in. 50 mm and under 6585 450585 7090 485620 80100 550690Over 2 in. 50 mm 6585 450585 7090 485620 7595 515655Yield strength, min2 in. 50

26、mm and under 37 255 40 275 55 380Over 2 in. 50 mm 37 255 40 275 50 345Elongation in 8 in. 200 mm min, %A19 17 .Elongation in 2 in. 50 mm min, %A,B23 21 20ASee Specification A20/A20M for elongation adjustments.BSee 7.1.1.A203/A203M 172SUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not app

27、ly unless specified in the order.Alist of standardized supplementary requirements for use at the option of the purchaser are includedin Specification A20/A20M. Those which are considered suitable for use with this specification arelisted below by title.S1. Vacuum Treatment,S2. Product Analysis,S3. S

28、imulated Post-Weld Heat Treatment of MechanicalTest Coupons,S4.1 Additional Tension Test,S5. Charpy V-Notch Impact Test,S6. Drop Weight Test (for Material 0.625 in. 16 mm andover in Thickness),S7. High-Temperature Tension Test,S8. Ultrasonic Examination in accordance with Specifica-tion A435/A435M,S

29、9. Magnetic Particle Examination,S11. Ultrasonic Examination in accordance with Specifica-tion A577/A577M,S12. Ultrasonic Examination in accordance with Specifica-tion A578/A578M, andS17. Vacuum Carbon-Deoxidized Steel.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes t

30、o this standard since the last issue(A203/A203M 12) that may impact the use of this standard. (Approved Nov. 1, 2017.)(1) Revised 1.3 to remove current practice guidelines.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned

31、in 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 time by the responsible technical committee and m

32、ust 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 t

33、heresponsible 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 C7

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