1、Designation: A 543/A 543M 93 (Reapproved 2004)e1Standard Specification forPressure Vessel Plates, Alloy Steel, Quenched andTempered Nickel-Chromium-Molybdenum1This standard is issued under the fixed designation A 543/A 543M; the number immediately following the designation indicates the yearof origi
2、nal 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 (e) indicates an editorial change since the last revision or reapproval.e1NOTESupplementary Requirement S14, Bend Test, was editorially removed in
3、September 2004.1. Scope1.1 This specification2covers nickel-chromium-molybdenum alloy steel plates for use in the quenched andtempered condition, intended for the fabrication of weldedpressure vessels and other pressure equipment. These alloycompositions are normally considered for construction invo
4、lv-ing plate thicknesses of 2 in. 50 mm or greater.1.2 Material under this specification is available in twotypes, B and C. The material is also available in three classesas follows:ClassMinimum Tensile Strength,ksi MPa1 105 7252 115 7953 90 6201.3 The maximum thickness of plates is limited only by
5、thecapacity of the chemical composition to meet the specifiedmechanical property requirements.1.4 The minimum plate thickness is316 in. 5 mm.1.5 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The
6、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 the specifi-cation.2. Referenced Documents2.1 ASTM Standards:3A 20/A20M Specification for General Requirements
7、forSteel Plates for Pressure VesselsA 435/A435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA 577/A577M Specification for Ultrasonic Angle-BeamExamination of Steel PlatesA 578/A578M Specification for Straight-Beam UltrasonicExamination of Plain and Clad Steel Plates for Spec
8、ialApplications3. General Requirements and Ordering Information3.1 Material supplied to this material specification shallconform to Specification A 20/A 20M. These requirements1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the d
9、irect responsibility of SubcommitteeA01.11 on Steel for Boilers and Pressure Vessels.Current edition approved Sept. 1, 2004. Published September 2004. Originallyapproved in 1965. Last previous edition approved in 1999 as A 543/A 543M 93(1999).2For ASME Boiler and Pressure Vessel Code applications, s
10、ee related Specifi-cation SA-543 in Section II of that Code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.T
11、ABLE 1 Chemical RequirementsElementComposition, %Type B Type CCarbon, maxA0.20 0.18Manganese, maxA0.40 0.40Phosphorus, maxA0.020 0.020Sulfur, maxA0.020 0.020Silicon:Heat analysis 0.150.40 0.150.40Product analysis 0.130.45 0.130.45Nickel:Heat analysis 2.254.00 2.003.50Product analysis 2.184.07 1.933.
12、57Chromium:Heat analysis 1.001.90 1.001.90Product analysis 0.941.96 0.941.96Molybdenum:Heat analysis 0.200.65 0.200.65Product analysis 0.160.69 0.160.69Vanadium, maxA0.03 0.03AApplies to both heat and product analyses.TABLE 2 Tensile RequirementsClass 1 Class 2 Class 3Tensile strength, ksi MPa 10512
13、572586011513579593090115620795Yield strength, min, ksi MPa 85 585 100 690 70 485Elongation, 2 in. 50 mm,min, %A,B14 14 16ASee 7.1.2.BSee Specification A 20/A 20M for elongation adjustment.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United Stat
14、es.outline the testing and retesting methods and procedures,permissible variations in dimensions, and mass, quality andrepair of defects, marking, loading, etc.3.2 Specification A 20/A 20M also establishes the rules forthe ordering information which should be complied with whenpurchasing material to
15、 this specification.3.3 In addition to the basic requirements of this specifica-tion, certain supplementary requirements are available whenadditional control, testing, or examination is required to meetend use requirements. These include:3.3.1 Vacuum treatment,3.3.2 Additional or special tension tes
16、ting,3.3.3 Impact testing, and3.3.4 Nondestructive examination.3.4 The purchaser is referred to the listed supplementaryrequirements in this specification and to the detailed require-ments in Specification A 20/A 20M.3.5 If the requirements of this specification are in conflictwith the requirements
17、of Specification A 20/A 20M, the re-quirements of this specification shall prevail.4. Manufacture4.1 Steelmaking PracticeThe steel shall be killed andshall conform to the fine austenitic grain size requirement ofSpecification A 20/A 20M.5. Heat Treatment5.1 All plates shall be heat treated by heatin
18、g to a suitableaustenitizing temperature, holding for a sufficient time periodto attain uniform temperature through the thickness andquenching in a suitable liquid medium by spraying or immer-sion. The plates shall then be tempered to produce the requiredproperties by heating to a suitable temperatu
19、re not lower than1100F 595C with a holding time of not less than12 h/in.1.2 min/mm of thickness but not less than12 h.5.2 Plates over 4 in. 100 mm in thickness shall receive aprior treatment of normalizing at, or water quenching from atemperature within the range from 1650 to 1850F 900 to1010C befor
20、e the heat treatment specified in 5.1.5.3 When the fabricator elects to perform the heat treatmentin 5.1 and 5.2, the manufacturer shall temper the plates prior toshipment at a temperature not lower than 1100F 595C.6. Chemical Requirements6.1 The steel shall conform to the chemical requirementsshown
21、 in Table 1 unless otherwise modified in accordance withSupplementary Requirement S17, Vacuum Carbon-DeoxidizedSteel, in Specification A 20/A 20M.7. Mechanical Requirements7.1 Tension Test Requirements:7.1.1 The material as represented by the tension-test speci-mens shall conform to the requirements
22、 shown in Table 2.7.1.2 For nominal plate thicknesses of34 in. 20 mm andunder, the 112-in. 40-mm wide rectangular specimen may beused for the tension test and the elongation may be determinedin a 2-in. 50-mm gage length that includes the fracture andshows the greatest elongation.SUPPLEMENTARY REQUIR
23、EMENTSSupplementary requirements shall not apply unless specified in the order.A list of standardized supplementary requirements for use at the option of the purchaser are includedin Specification A 20/A 20M. Several of those considered suitable for use with this specification arelisted below by tit
24、le. Other tests may be performed by agreement between the supplier and thepurchaser.S1. Vacuum Treatment,S2. Product Analysis,S3. Simulated Post-Weld Heat Treatment of MechanicalTest Coupons,S4.2 Additional Tension Test,S5. Charpy V-Notch Impact Test,S6. Drop Weight Test,S7. High-Temperature Tension
25、 Test,S8. Ultrasonic Examination in accordance with Specifica-tion A 435/A 435M,S9. Magnetic Particle Examination,S11. Ultrasonic Examination in accordance with Specifica-tion A 577/A 577M,S12. Ultrasonic Examination in accordance with Specifica-tion A 578/A 578M, andS17. Vacuum Carbon-Deoxidized St
26、eel.A 543/A 543M 93 (2004)e12ASTM 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 inf
27、ringement of such rights, are 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 stand
28、ard or for additional standardsand 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 vi
29、ews 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 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 543/A 543M 93 (2004)e13
