1、Designation:A387/A387M10 Designation: A387/A387M 11Used in USDOE-NE StandardsStandard Specification forPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum1This standard is issued under the fixed designation A387/A387M; the number immediately following the designation indicates the yearof origin
2、al 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 () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defe
3、nse.1. Scope*1.1 This specification2covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressurevessels designed for elevated temperature service.1.2 Plates are available under this specification in several grades having different alloy contents as follows:Nominal
4、 NominalChromium Molybde-numGrade Content, % Content, %2 0.50 0.5012 1.00 0.5011 1.25 0.5022, 22L 2.25 1.0021, 21L 3.00 1.005 5.00 0.509 9.00 1.0091 9.00 1.001.3 Each grade except Grades 21L, 22L, and 91 is available in two classes of tensile strength levels as defined in the TensileRequirements tab
5、les. Grades 21L and 22L are available only as Class 1. Grade 91 is available only as Class 2.NOTE 1Grade 911, previously covered by this specification, is now covered by Specification A1017/A1017M.1.4 The maximum thickness of plates is limited only by the capacity of the composition to meet the spec
6、ified mechanicalproperty requirements.1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI unitsare shown in brackets. The values stated in each system are not exact equivalents. Therefore, each system must be usedindependent
7、ly of the other. Combining values from the two systems may result in nonconformance with this specification.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements for Steel Plates for Pressure VesselsA370 Test Methods and Definitions for Mechanical Testing of Stee
8、l ProductsA435/A435M Specification for Straight-Beam Ultrasonic Examination of Steel PlatesA577/A577M Specification for Ultrasonic Angle-Beam Examination of Steel PlatesA578/A578M Specification for Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special ApplicationsA1017/A1017M Speci
9、fication for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-Tungsten2.2 AWS Specifications:4A5.5/A5.5M Low-Alloy Steel Electrodes for Shielded Metal Arc WeldingA5.23/A5.23M Low-Alloy Steel Electrodes and Fluxes for Submerged Arc WeldingA5.28/A5.28M Low-Alloy Steel Electrodes and Rods for G
10、as Shielded Arc Welding1This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.11on Steel Plates for Boilers and Pressure Vessels.Current edition approved Oct.April 1, 2010.2011. Published N
11、ovember 2010.April 2011. Originally approved in 1955. Last previous edition approved in 20062010 asA387/A387M06a.A387/A387M 10. DOI: 10.1520/A0387_A0387M-101.2For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-387/SA-387M in Section II of that Code.3For referenced AS
12、TM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4Available from American Welding Society (AWS), 550 NW LeJeune Rd., Miami, FL
13、 33126, http:/www.aws.org.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends t
14、hat users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, Wes
15、t Conshohocken, PA 19428-2959, United States.A5.29/A5.29M Low-Alloy Steel Electrodes for Flux Cored Arc Welding3. General Requirements and Ordering Information3.1 Material supplied to this material specification shall conform to Specification A20/A20M. These requirements outline thetesting and retes
16、ting methods and procedures, permissible variations in dimensions and weight, quality and repair of defects,marking, loading, and ordering information.3.2 In addition to the basic requirements of this specification, certain supplementary requirements are available when additionalcontrol, testing, or
17、 examination is required to meet end use requirements. The purchaser is referred to the listed supplementaryrequirements in this specification and to the detailed requirements in Specification A20/A20M.3.3 If the requirements of this specification are in conflict with the requirements of Specificati
18、on A20/A20M, the requirementsof this specification shall prevail.4. Manufacture4.1 Steelmaking PracticeThe steel shall be killed.5. Heat Treatment5.1 Except for Grade 91, all plates shall be thermally treated either by annealing, normalizing- and -tempering, or, whenpermitted by the purchaser, accel
19、erated cooling from the austenitizing temperature by air blasting or liquid quenching, followedby tempering. Minimum tempering temperatures shall be as follows:Grade Temperature, F C2, 12, and 11 1150 62022, 22L, 21, 21L, and 9 1250 6755 1300 7055.1.1Grade 91 plates shall be normalized at 1900 to 19
20、75F 1040 to 1080C and shall be tempered at 1350 to 1470F 730to 800C.5.2Grade 5, 9, 21, 21L, 22, 22L, and 91 plates ordered without the heat treatment required by5.1.1 Grade 91 plates shall be thermally treated, either by normalizing-and-tempering or by accelerated cooling from theaustenitizing tempe
21、rature by air blasting or liquid quenching, followed by tempering. Grade 91 plates shall be austenitized at 1900to 1975F 1040 to 1080C and shall be tempered at 1350 to 1470F 730 to 800C.5.2 Grade 5, 9, 21, 21L, 22, 22L, and 91 plates ordered without the heat treatment required by 5.1 shall be furnis
22、hed in eitherthe stress-relieved or the annealed condition.5.3 For plates ordered without the heat treatment required by 5.1, heat treatment of the plates to conform to 5.1 and to Table1 or Table 2 or Table 3, as applicable, shall be the responsibility of the purchaser.6. Chemical Requirements6.1 Th
23、e steel shall conform to the requirements as to chemical composition shown in Table 3 Table 1 unless otherwise modifiedin accordance with Supplementary Requirement S17, Vacuum Carbon-Deoxidized Steel, in Specification A20/A20M for gradesother than Grade 11.7. Metallurgical Structure7.1 Austenitic Gr
24、ain SizeGrade 2 material shall have a coarse austenitic grain size.8. Mechanical Requirements8.1 Tension Test Requirements:8.1.1 The material as represented by the tension test specimens shall conform to the applicable requirements of Table 1 or Table2 or Table 3, as specified on the order.8.1.2 Adj
25、ustment of the percentage elongation requirements is permitted in accordance with Specification A20/A20M for platesup to34 in. 20 mm inclusive, in thickness when an 8-in. 200-mm gage length is used.9.9. Repair Welding9.1 Repair welding shall be permitted only with the approval of the purchaser. Repa
26、ir welds shall meet the requirements of theconstruction code specified by the purchaser.9.2 All repair welds in Grade 91 shall be made with one of the following welding processes and consumables: SMAW,A5.5/A5.5M E90XX-B9; SAW,A5.23/A5.23M EB9 + neutral flux; GTAW,A5.28/A5.28M ER90S-B9; and FCAWA5.29
27、/A5.29ME91T1-B9. In addition, the sum of the Ni+Mn content of all welding consumables used to weld repair Grade 91 plate shall notexceed 1.0 %.10. Marking9.1In10.1 In addition to the marking required in Specification A20/A20M, each plate shall be legibly stamped or stenciled,A387/A387M 112TABLE31Che
28、micalRequirementsNOTE1Where“.”appears,thereisnorequirement.ElementComposition,%GradeandUNSNumberGrade2S50460Grade12K11757Grade11K11789Grade22K21590Grade22LK21590Grade21K31545Grade21LK31545Grade5S50200Grade9K90941Grade91K90901Carbon:Heatanalysis0.050.210.050.170.050.170.050.15A0.10max0.050.15A0.10max
29、0.15max0.15max0.080.12Productanalysis0.040.210.040.170.040.170.040.15A0.12max0.040.15A0.12max0.15max0.15max0.060.15Manganese:Heatanalysis0.550.800.400.650.400.650.300.600.300.600.300.600.300.600.300.600.300.600.300.60Productanalysis0.500.880.350.730.350.730.250.660.250.660.250.660.250.660.250.660.25
30、0.660.250.66Phosphorus,max:Heatanalysis0.0250.0250.0250.0250.0250.0250.0250.0250.0250.020Productanalysis0.0250.0250.0250.0250.0250.0250.0250.0250.0250.025Sulfur,max:Heatanalysis0.0250.0250.0250.0250.0250.0250.0250.0250.0250.010Productanalysis0.0250.0250.0250.0250.0250.0250.0250.0250.0250.012Silicon:
31、Heatanalysis0.150.400.150.400.500.800.50max0.50max0.50max0.50max0.50max1.00max0.200.50Productanalysis0.130.450.130.450.440.860.50max0.50max0.50max0.50max0.55max1.05max0.180.56Chromium:Heatanalysis0.500.800.801.151.001.502.002.502.002.502.753.252.753.254.006.008.0010.008.009.50Productanalysis0.460.85
32、0.741.210.941.561.882.621.882.622.633.372.633.373.906.107.9010.107.909.60Molybdenum:Heatanalysis0.450.600.450.600.450.650.901.100.901.100.901.100.901.100.450.650.901.100.851.05Productanalysis0.400.650.400.650.400.700.851.150.851.150.851.150.851.150.400.700.851.150.801.10Nickel,max:Heatanalysis.0.40P
33、roductanalysis.0.43Vanadium:Heatanalysis.0.04max0.180.25Productanalysis.0.05max0.160.27Columbium:Heatanalysis.0.060.10Productanalysis.0.050.11Boron:Heatanalysis.Productanalysis.Nitrogen:Heatanalysis.0.0300.070Productanalysis.0.0250.080Aluminum,max:Heatanalysis.0.02Productanalysis.0.02Titanium,max:He
34、atanalysis.0.01Productanalysis.0.01Zirconium,max:Heatanalysis.0.01Productanalysis.0.01AThecarboncontentforplatesover5in.125mminthicknessis0.17maxonproductanalysis.A387/A387M 113depending upon the ordered thickness, with the letter A for annealed, N for normalized and tempered, and Q for accelerated
35、cooledand tempered, as applicable.10.11. Keywords101.1 alloy steel; alloy steel plate; pressure containing parts; pressure vessel steels; steel plates; steel plates for pressure vesselsTABLE 1 2 Tensile Requirements for Class 1 PlatesGrades 2 and 12 Grade 11 Grades 22, 21, 5, 9, 21L, 22LTensile stre
36、ngth, ksi MPa 55 to 80 380 to 550 60 to 85 415 to 585 60 to 85 415 to 585Yield strength, min, ksi MPa 33 230 35 240 30 205Elongation in 8 in. 200 mm, min, %A18 19 .Elongation in 2 in. 50 mm, min, %A22 22 18Reduction of area, min, % . . 45B40CASee Specification A20/A20M, elongation adjustments.BMeasu
37、red on round test specimens.CMeasured on flat specimen.TABLE 2 3 Tensile Requirements for Class 2 PlatesAGrade 2 Grade 11 Grade 12 Grades 22, 21, 5,9Grade 91Tensile strength, ksi MPa 70 to 90 75 to 100 65 to 85 75 to 100 85 to 110485 to 620 515 to 690 450 to 585 515 to 690 585 to 760Yield strength,
38、min, ksi MPa/(0.2 %offset)45 310 45 310 40 275 45 310 60 415Elongation in 8 in. 200 mm, min, %B18 18 19 . .Elongation in 2 in. 50 mm, min, %B22 22 22 18 18Reduction of area, min, % . . . 45C.40DANot applicable to annealed material.BSee Specification A20/A20M, elongation adjustments.CMeasured on roun
39、d test specimens.DMeasured on flat specimen.A387/A387M 114SUPPLEMENTARY 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 SpecificationA20/A20M. Several of those
40、 considered suitable for use with this specification are listed below bytitle. Other tests may be performed by agreement between the supplier and the purchaser.S1. Vacuum Treatment,S2. Product Analysis,S3. Simulated Post-Weld Heat Treatment of Mechanical Test Coupons,S4.1 Additional Tension Test,S5.
41、 Charpy V-Notch Impact Test,S6. Drop Weight Test (for Material 0.625 in. 16 mm and over in Thickness),S7. High-Temperature Tension Test,S8. Ultrasonic Examination in accordance with Specification A435/A435M,S9. Magnetic Particle Examination,S11. Ultrasonic Examination in accordance with Specificatio
42、n A577/A577M,S12. Ultrasonic Examination in accordance with Specification A578/A578M, andS17. Vacuum Carbon-Deoxidized Steel.ADDITIONAL SUPPLEMENTARY REQUIREMENTSIn addition, the following supplementary requirements are suitable for this application. S62 and S63are applicable for Grades 22 and 21 on
43、ly.S53. Alternative Location for Mechanical TestingWhen specified by the purchaser, the axis of the tensile and impact test specimens shall come from the mid-thickness of eachplate tested, in lieu of midway between the center thickness and the top or bottom surface of the plate.S60. Restricted Carbo
44、nS60.1 The maximum carbon content of Grade 5 shall be 0.10 %.S62. Temper Embrittlement FactorS62.1 The composition of the steel, based on heat analysis, shall be restricted in accordance with the following equations:J 5Si 1 Mn!3P 1 Sn!3104#150 Si, Mn, P and Sn in wt %!Cu#0.20%Ni#0.30%S62.1.1 Lower v
45、alues of J, Cu, and Ni can be specified by agreement between purchaser and the supplier.S62.1.2 When so specified by the purchaser, the maximum value 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 composition of the weld deposit
46、 shall be restricted in accordance with thefollowing equations:X 510P 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 determined as follows:S63.1.1
47、Asufficient amount of Charpy V-notch test specimens shall be taken from the same location from a plate from each heatof steel to construct two transition temperature curves.S63.1.2 The test specimens for one transition temperature curve shall be given the minimum post weld heat treatment (PWHT)cycle
48、 specified by the purchaser.S63.2 The test specimens for the other transition temperature curve shall be given the PWHT cycle specified in S63.1.2 plusthe following step cooling heat treatment:A387/A387M 115Hold at 1100F (593C) for 1 h, then cool at 10F (5.6C)/h to 1000F (538C).Hold at 1000F (538C) for 15 h, then cool at 10F (5.6C)/h to 975F (524C).Hold at 975F (524C) for 24 h, then cool at 10F (5.6C)/h to 925F (496C).Hold at 925F (496C) for 60 h, then cool at 5F (2.8C)/h to 875F (468C).Hold at 875F (468C) for 100 h, then cool at 50F (27.8
