ASTM A1041 A1041M-2004 Standard Specification for Pressure Vessel Plates Alloy Steel Higher Strength Chromium-Molybdenum-Tungsten.pdf

1、Designation: A 1041/A 1041M 04Standard Specification forPressure Vessel Plates, Alloy Steel, Higher StrengthChromium-Molybdenum-Tungsten1This standard is issued under the fixed designation A 1041/A 1041M; the number immediately following the designation indicates theyear of original adoption or, in

2、the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers chromium-tungsten-molybdenum-vanadium, with or without ta

3、ntalum, alloy steelplates intended primarily for welded boilers and pressurevessels designed for elevated temperature service.1.2 Plates are available under this specification in twogrades having different alloy contents as follows:GradeNominalChromiumContent, %NominalTungstenContent, %NominalMolybd

4、enumContent, %NominalVanadiumContent, %NominalTantalumContent, %315 3.00 1.50 0.75 0.25315T 3.00 1.50 0.75 0.25 0.101.3 The maximum thickness of plates is limited only by thecapacity of the composition to meet the specified mechanicalproperty requirements.1.4 The specification is expressed in both i

5、nch-pound unitsand in SI units; however, unless the order specifies theapplicable “M” specification designation (SI units), the platesare furnished to inch-pound units.1.5 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units

6、are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system is tobe used independently of the other.2. Referenced Documents2.1 ASTM Standards:2A 20/A 20M Specification for General Requirements forSteel Plates for Pressure VesselsA 435/A 435M Specification

7、 for Straight-Beam UltrasonicExamination of Steel PlatesA 577/A 577M Specification for Ultrasonic Angle-BeamExamination of Steel PlatesA 578/A 578M Specification for Straight-Beam UltrasonicExamination of Plain and Clad Steel Plates for SpecialApplications3. General Requirements3.1 Product furnished

8、 to this specification shall conform toSpecification A 20/A 20M, including any supplementary re-quirements indicated in the purchase order or contract. Failureto comply with the general requirements of SpecificationA 20/A 20M constitutes nonconformance with this specifica-tion. In case of conflict b

9、etween the requirements of thisspecification and Specification A 20/A 20M, the requirementsof this specification shall prevail.3.2 In addition to the basic requirements of this specifica-tion, certain supplementary requirements are available if addi-tional control, testing, or examination is require

10、d to meet enduse requirements. The purchaser is referred to the listedsupplementary requirements in this specification and to thedetailed requirements in Specification A 20/A 20M.4. Materials and Manufacture4.1 Steelmaking PracticeThe steel shall be killed andshall conform to the fine austenitic gra

11、in size requirements ofSpecification A 20/A 20M.5. Heat Treatment5.1 Except as allowed by 5.2, all plates shall be normalizedat 1950 to 2050F 1065 to 1120C and then tempered at 1290to 1400F 700 to 760C.5.2 Plates ordered without the heat treatment required by5.1 shall be furnished in either the stre

12、ss-relieved or annealedcondition, and the purchaser shall be responsible for the heattreatment of such plates to conform to 5.1.6. Chemical Composition6.1 The steel shall conform to the requirements for chemicalcomposition given in Table 1.1This specification is under the jurisdiction of ASTM Commit

13、tee 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 Oct. 1, 2004. Published October 2004.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact AS

14、TM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7. Mechanical Properties7.1

15、Tension TestThe plates, as represented by the tensiontest specimens, shall conform to the applicable requirementsgiven in Table 2.8. Keywords8.1 alloy steel plates; chromium; creep resistance; elevatedtemperature service; high-strength; hydrogen service; molyb-denum; pressure vessels; tantalum; tung

16、sten; vanadiumSUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified in the order. A list of standardizedsupplementary requirements for use at the option of the purchaser is included in SpecificationA 20/A 20M. Several of those considered suitable for use with this spe

17、cification are listed below bytitle. Other tests may be performed by agreement between the supplier and the purchaser.S1. Vacuum TreatmentS2. Product AnalysisS3. Simulated Post-Weld Heat Treatment of Mechanical TestCouponsS4. Additional Tension TestS5. Charpy V-Notch Impact TestS6. Drop-Weight Test

18、(for Plates 0.625 in. 16 mm Over inThicknessS7. High-Temperature Tension TestsS8. Ultrasonic Examination in Accordance with Specifica-tion A 435/A 435MS9. Magnetic Particle ExaminationS11. Ultrasonic Examination in Accordance with Specifica-tion A 577/A 577MS12. Ultrasonic Examination in Accordance

19、with Specifica-tion A 578/A 578MTABLE 1 Chemical RequirementsNOTE 1Where “. . .” appears in this table, there is no requirement.Composition, %Element Grade 315 Grade 315TCarbon:Heat Analysis 0.080.12 0.080.12Product Analysis 0.070.13 0.070.13Manganese:Heat Analysis 0.250.45 0.250.45Product Analysis

20、0.200.50 0.200.50Phosphorus, max:Heat Analysis 0.010 0.010Product Analysis 0.015 0.015Sulfur, max:Heat Analysis 0.010 0.010Product Analysis 0.012 0.012Silicon:Heat Analysis 0.150.40 0.150.40Product Analysis 0.100.45 0.100.45Nickel, max:Heat Analysis 0.25 0.25Product Analysis 0.30 0.30Chromium:Heat A

21、nalysis 2.83.2 2.83.2Product Analysis 2.73.3 2.73.3Molybdenum:Heat Analysis 0.650.85 0.650.85Product Analysis 0.600.90 0.600.90Vanadium:Heat Analysis 0.200.30 0.200.30Product Analysis 0.180.33 0.180.33Boron, max:Heat Analysis 0.0007 0.0007Tantalum:Heat Analysis . . . 0.07-0.13Product Analysis . . .

22、0.06-0.14Tungsten:Heat Analysis 1.351.65 1.351.65Product Analysis 1.301.70 1.301.70TABLE 2 Tensile RequirementsGrade 315 and 315TTensile Strength,ksi MPa105 to 135725 to 930Yield Strength, Minksi MPa 85 585Elongation in 2 in.50 mm, %, Min16A 1041/A 1041M 042ASTM International takes no position respe

23、cting 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 own responsibility.This st

24、andard 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 addressed to ASTM Internat

25、ional 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, at the address shown belo

26、w.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 1041/A 1041M 043