1、Designation: A 542/A 542M 99 (Reapproved 2004)e1Standard Specification forPressure Vessel Plates, Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-Vanadium1This standard is issued under the fixed designationA542/A542M; the number immediately following the designation
2、indicates the yearof original 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, w
3、as editorially removed in September 2004.1. Scope1.1 This specification2covers two types of 214 Cr-1 Mo andthree types of Cr-Mo-V alloy steel plates for use in thequenched-and-tempered condition, intended for the fabricationof welded pressure vessels and components.1.2 Material under this specificat
4、ion is available in fivetypes, designated “A,” “B,” “C,” “D,” and “E.” Type B isidentical to Type A except for restrictive limits for carbon,phosphorus, sulfur, and nickel. The material is also available infive classes having the following strength levels. Type E isavailable only as Class 4 and 4a.C
5、lass Minimum Tensile Strength, ksi MPa1 105 7252 115 7953 95 6554 and 4a 85 5851.3 The maximum thickness of plates is limited only by thecapacity of the chemical composition to meet the specifiedmechanical property requirements.1.4 The minimum thickness of plates is limited to316 in. 5mm.1.5 The mat
6、erial is intended to be suitable for fusionwelding. Welding technique is of fundamental importance andit is presupposed that welding procedures will be in accordancewith approved methods.1.6 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the
7、 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 specifi-cation.2. Referenced Documents2.1 ASTM Standards:3A
8、20/A 20M Specification for General Requirements forSteel Plates for Pressure VesselsA 370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA 435/A 435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA 577/A 577M Specification for Ultrasonic Angle-BeamExaminat
9、ion of Steel PlatesA 578/A 578M Specification for Straight-Beam UltrasonicExamination of Plain and Clad Steel Plates for SpecialApplications3. General Requirements and Ordering Information3.1 Material supplied to this material specification shallconform to Specification A 20/A 20M. These requirement
10、soutline 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 t
11、his 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 testi
12、ng,3.3.3 Impact testing, and3.3.4 Nondestructive examination.3.4 The purchaser is referred to the supplementary require-ments listed in this specification and to the detailed require-ments in Specification A 20/A 20M.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainl
13、ess Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.11 on Steel Plates for Boilers and Pressure Vessels.Current edition approved Sept. 1, 2004. Published September 2004. Originallyapproved in 1965. Last previous edition approved in 1999 asA 542/A 542M 99e1.2For ASME Boil
14、er and Pressure Vessel Code applications, see related Specifi-cation SA-542 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
15、 Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.5 If the requirements of this specification are in conflictwith the requirements of Specification A 20/A 20M, the re-quirements of this speci
16、fication 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 heating to a suitableaustenitizing temperature, holding for a suff
17、icient period oftime to attain uniform temperature throughout the thickness,and quenching in a suitable liquid medium by spraying orimmersion. For Type D material, the minimum austenitizingtemperature shall be 1650F 900C. For Type E material, theminimum austenitizing temperature shall be 1850F 1010C
18、.5.2 After quenching, the plates shall be tempered to producethe specified tensile requirements by heating to a suitabletemperature and holding for a period of time of not less that 30min/in. 1.2 min/mm of thickness but not less than12 h. Theminimum tempering temperature shall be as follows:Type Cla
19、ss Temperature, F CA, B, C 1, 2, 3 1050 565A, B, C 4 1200 650A, B, C, D 4a 1250 6755.3 Plates over 4 in. 100 mm in thickness shall receive aprior heat treatment of normalizing at, or water quenchingfrom, a temperature within the range from 1650 to 1850F 900to 1010C for TypesA, B, C, and D and 1850 t
20、o 2050F 1010to 1120C for Type E before the heat treatment specified in5.1.5.4 When the purchaser elects to perform the heat treatmentrequired above, the material manufacturer shall temper theplates prior to shipment at a temperature not lower than 1050F565C for Types A, B, C, and D and not lower tha
21、n 1200F650C for Type E.6. Chemical Composition6.1 The steel shall conform to the chemical requirementsshown in Table 1.7. Mechanical Properties7.1 Tension Test Requirements:7.1.1 The material as represented by the tension-test speci-mens shall conform to the requirements shown in Table 2.7.1.2 For n
22、ominal 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 andthat shows the greatest elongation.7.2 Notch Toughness RequirementsClasses 4 a
23、nd 4a:7.2.1 A transverse Charpy V-notch test from each plate-as-heat-treated shall have a minimum energy absorption value of40 ftlbf 54 J average of three specimens and 35 ftlbf 48 Jfor one specimen only in the set.7.2.2 For Class 4, the impact test temperature shall be asspecified on the order.7.2.
24、3 For Class 4a, the impact test temperature shall be 0F18C.A 542/A 542M 99 (2004)e12TABLE 1 Chemical RequirementsElementComposition, %Type A Type B Type C Type D Type ECarbon:Heat analysis 0.15 max 0.110.15 0.100.15 0.110.15 0.100.15Product analysis 0.18 maxA0.090.18 0.080.18 0.090.18 0.080.18Mangan
25、ese:Heat analysis 0.300.60 0.300.60 0.300.60 0.300.60 0.300.60Product analysis 0.250.66 0.250.66 0.250.66 0.250.66 0.250.66Phosphorus, max 0.025B0.015B0.025B. . . 0.025Heat analysis . . . . . . . . . 0.015 . . .Product analysis . . . . . . . . . 0.020 . . .Sulfur, max 0.025B0.015B0.025B. . . 0.010He
26、at analysis . . . . . . . . . 0.010 . . .Product analysis . . . . . . . . . 0.015 . . .Silicon, max 0.50B0.50B0.13B. . . 0.15Heat analysis . . . . . . . . . 0.10 . . .Product analysis . . . . . . . . . 0.13 . . .Chromium:Heat analysis 2.002.50 2.002.50 2.753.25 2.002.50 2.753.25Product analysis 1.88
27、2.62 1.882.62 2.633.37 1.882.62 2.633.37Molybdenum:Heat analysis 0.901.10 0.901.10 0.901.10 0.901.10 0.901.10Product analysis 0.851.15 0.851.15 0.851.15 0.851.15 0.851.15Copper, max:Heat analysis 0.40 0.25 0.25 0.20 0.25Product analysis 0.43 0.28 0.28 0.23 0.28Nickel, max:Heat analysis 0.40 0.25 0.2
28、5 0.25 0.25Product analysis 0.43 0.28 0.28 0.28 0.28Vanadium:Heat analysis 0.03 max 0.02 max 0.200.30 0.250.35 0.200.30Product analysis 0.04 max 0.03 max 0.180.33 0.230.37 0.180.33Titanium:Heat analysis . . . . . . 0.0150.035 0.030 max . . .Product analysis . . . . . . 0.0050.045 0.035 max . . .Boro
29、n:Heat analysis . . . . . . 0.0010.003 0.0020 max . . .Product analysis . . . . . . NACNAC.Columbium:Heat analysis . . . . . . . . . 0.07 max 0.0150.070Product analysis . . . . . . . . . 0.08 max 0.0100.075Calcium:DHeat analysis . . . . . . . . . 0.015 max 0.00050.0150Product analysis . . . . . . .
30、. . 0.020 max NACAIn A 542/A 542M 82 and earlier editions, for plates 5 in. 125 mm and under in thickness, the carbon was limited to 0.15 % maximum.BApplies to both heat analysis and product analysis.CNA = Product analysis is not applicable.DRare earth metals (REM) may be added in place of calcium,
31、subject to agreement between the producer and the purchaser. In that case, the total amount of REMshall be determined and reported.TABLE 2 Tensile RequirementsClass 1 Class 2 Class 3 Class 4 Class 4aTensile strength, ksi MPa 105125 725860 115135 795930 95115 655795 85110 585760 85110 585760Yield str
32、ength, min, ksi MPa 85 585 100 690 75 515 55 380 60 415Elongation in 2 in. 50 mm, min, %A14 13 20 20 18ASee Specification A 20/A 20M for elongation adjustment.A 542/A 542M 99 (2004)e13SUPPLEMENTARY REQUIREMENTSSupplementary requirements shall not apply unless specified in the order.Alist of standard
33、ized 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 in this section by title. Other tests may be performed by agreement between the supplier and thepurchaser.S1.
34、 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 (for Material 0.625 in. 16 mm andover in Thickness),S7. High-Temperature Tension Test,S8. Ultrasonic Examination in
35、 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.ADDITIONAL SUPPLEMENTARY REQUIREMENTSIn addition, the following supplem
36、entary requirements are suitable for this application.S62. Temper Embrittlement FactorS62.1 The composition of the steel, based on heat analysis,shall be restricted in accordance with the following equations:J 5 Si 1 Mn! 3 P 1 Sn! 3 104#150 Si, Mn, P and Sn in wt %!Cu#0.20 %Ni#0.30 %S62.1.1 Lower va
37、lues of J, Cu and Ni can be specified byagreement between purchaser and the supplier.S62.1.2 When so specified by the purchaser, the maximumvalue of J shall not exceed 100.S62.1.3 The values of J shall be reported.S62.1.4 If the plates are repaired by welding, the composi-tion of the weld deposit sh
38、all be restricted in accordance withthe following equations:X 5 10P 1 5Sb 1 4Sn 1 As!/100#15 P, Sb, Sn and As in ppm!Cu#0.20 %Ni#0.30 %S62.1.5 The values of X shall be reported.S63. Impact Properties After Step CoolingS63.1 The Charpy V-notch impact properties shall be deter-mined as follows:S63.1.1
39、 A sufficient amount of Charpy V-notch test speci-mens shall be taken from the same location from a plate fromeach heat of steel to construct two transition temperaturecurves.S63.1.2 The test specimens for one transition temperaturecurve shall be given the minimum post-weld heat treatment(PWHT) cycl
40、e specified by the purchaser.S63.2 The test specimens for the other transition tempera-ture curve shall be given the PWHT cycle specified in S63.1.2plus the following step cooling heat treatment:Hold at 1100F (593C) for 1 h, then cool at 10F (5.6C)/hto 1000F (538C).Hold at 1000F (538C) for 15 h, the
41、n cool at 10F (5.6C)/hto 975F (524C).Hold at 975F (524C) for 24 h, then cool at 10F (5.6C)/hto 925F (496C).Hold at 925F (496C) for 60 h, then cool at 5F (2.8C)/hto 875F (468C).Hold at 875F (468C) for 100 h, then cool at 50F(27.8C)/h to 600F (315C).Cool in still air.S63.3 Test the Charpy V-notch test
42、 specimens in accordancewith Test Methods and Definitions A 370 to determine the 40ft-lbs (55 J) transition temperature from each transition tem-perature curve using a set of three test specimens at each testtemperature. The test temperatures shall include tests on theupper and lower shelves and a m
43、inimum of four intermediatetemperatures.S63.4 The following requirements shall be met.vTr40 1 2.5DvTr40#50FvTr55 1 2.5DvTr55#10Cwhere:vTr40 (vTr55) = the 40 ft-lbs (55 J) transition tempera-ture of the material subjected to theminimum PWHT specified by the pur-chaser.DvTr40 (DvTr55) = the shift of t
44、he 40 ft-lbs (55 J) transi-tion temperature the of the step cooledmaterial. (The 40 ft-lbs (55 J) transi-tion temperature the of the step cooledmaterial minus that of the materialsubjected to the minimum PWHTonly).S63.5 The 40 ft-lbs (55 J) transition temperatures for the twomaterial conditions shal
45、l be reported.A 542/A 542M 99 (2004)e14ASTM 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
46、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 must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of
47、this standard 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 shouldma
48、ke 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 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).FIG. S1.1 Transition Temperature Curves Before and After Step Cool Heat TreatmentA 542/A 542M 99 (2004)e15
