ASTM A387 A387M-2010 Standard Specification for Pressure Vessel Plates Alloy Steel Chromium-Molybdenum《压力容器用铬钼合金钢板的标准规格》.pdf
《ASTM A387 A387M-2010 Standard Specification for Pressure Vessel Plates Alloy Steel Chromium-Molybdenum《压力容器用铬钼合金钢板的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM A387 A387M-2010 Standard Specification for Pressure Vessel Plates Alloy Steel Chromium-Molybdenum《压力容器用铬钼合金钢板的标准规格》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: A387/A387M 10Used 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 original adoption or, in the ca
2、se 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 Defense.1. Scope*1.1 This spe
3、cification2covers chromium-molybdenum alloysteel plates intended primarily for welded boilers and pressurevessels designed for elevated temperature service.1.2 Plates are available under this specification in severalgrades having different alloy contents as follows:Nominal NominalChromium Molybde-nu
4、mGrade 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 availablein two classes of tensile strength levels as defined in the TensileRequirements tables. Grades 21L and 22L are
5、available only asClass 1. Grade 91 is available only as Class 2.NOTE 1Grade 911, previously covered by this specification, is nowcovered by Specification A1017/A1017M.1.4 The maximum thickness of plates is limited only by thecapacity of the composition to meet the specified mechanicalproperty requir
6、ements.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 values stated in eachsystem are not exact equivalents. Therefore, each system mustbe used independently of the other. Combining values
7、 from thetwo systems may result in nonconformance with this specifi-cation.2. Referenced Documents2.1 ASTM Standards:3A20/A20M Specification for General Requirements forSteel Plates for Pressure VesselsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA435/A435M Specification
8、for Straight-Beam UltrasonicExamination of Steel PlatesA577/A577M Specification for Ultrasonic Angle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tionsA1017/A1017M Specification for Pressure Vessel Plates
9、,Alloy Steel, Chromium-Molybdenum-Tungsten3. General Requirements and Ordering Information3.1 Material supplied to this material specification shallconform to Specification A20/A20M. These requirements out-line the testing and retesting methods and procedures, permis-sible variations in dimensions a
10、nd weight, quality and repair ofdefects, marking, loading, and ordering information.3.2 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. The purchase
11、r is referred to the listedsupplementary requirements in this specification and to thedetailed requirements in Specification A20/A20M.3.3 If the requirements of this specification are in conflictwith the requirements of Specification A20/A20M, the require-ments of this specification shall prevail.4.
12、 Manufacture4.1 Steelmaking PracticeThe steel shall be killed.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 approv
13、ed Oct. 1, 2010. Published November 2010. Originallyapproved in 1955. Last previous edition approved in 2006 as A387/A387M 06a.DOI: 10.1520/A0387_A0387M-10.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-387/SA-387M in Section II of that Code.3For referenced AST
14、M 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.1*A Summary of Changes section appears at the end of this standard.Copyright AST
15、M International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5. Heat Treatment5.1 Except for Grade 91, all plates shall be thermally treatedeither by annealing, normalizing- and -tempering, or, whenpermitted by the purchaser, accelerated cooling from theausten
16、itizing temperature by air blasting or liquid quenching,followed by tempering. Minimum tempering temperaturesshall be as follows:Grade Temperature, F C2, 12, and 11 1150 62022, 22L, 21, 21L, and 9 1250 6755 1300 7055.1.1 Grade 91 plates shall be normalized at 1900 to 1975F1040 to 1080C and shall be
17、tempered at 1350 to 1470F730 to 800C.5.2 Grade 5, 9, 21, 21L, 22, 22L, and 91 plates orderedwithout the heat treatment required by 5.1 shall be furnished ineither the stress-relieved or the annealed condition.5.3 For plates ordered without the heat treatment requiredby 5.1, heat treatment of the pla
18、tes to conform to 5.1 and toTable 1 or Table 2, as applicable, shall be the responsibility ofthe purchaser.6. Chemical Requirements6.1 The steel shall conform to the requirements as tochemical composition shown in Table 3 unless otherwisemodified in accordance with Supplementary Requirement S17,Vacu
19、um Carbon-Deoxidized Steel, in Specification A20/A20Mfor grades other than Grade 11.7. Metallurgical Structure7.1 Austenitic Grain SizeGrade 2 material shall have acoarse austenitic grain size.8. Mechanical Requirements8.1 Tension Test Requirements:8.1.1 The material as represented by the tension te
20、st speci-mens shall conform to the applicable requirements of Table 1or Table 2, as specified on the order.8.1.2 Adjustment of the percentage elongation requirementsis permitted in accordance with Specification A20/A20M forplates up to34 in. 20 mm inclusive, in thickness when an 8-in.200-mm gage len
21、gth is used.9. Marking9.1 In addition to the marking required in SpecificationA20/A20M, each plate shall be legibly stamped or stenciled,depending upon the ordered thickness, with the letter A forannealed, N for normalized and tempered, and Q for acceler-ated cooled and tempered, as applicable.10. K
22、eywords10.1 alloy steel; alloy steel plate; pressure containing parts;pressure vessel steels; steel plates; steel plates for pressurevesselsTABLE 1 Tensile Requirements for Class 1 PlatesGrades 2 and 12 Grade 11 Grades 22, 21, 5, 9, 21L, 22LTensile strength, ksi MPa 55 to 80 380 to 550 60 to 85 415
23、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.BMeasured on round test specimens.CMeasured on flat s
24、pecimen.TABLE 2 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, min, ksi MPa/(0.2 %offset)45 310 45 310 40 275 45
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMA387A387M2010STANDARDSPECIFICATIONFORPRESSUREVESSELPLATESALLOYSTEELCHROMIUMMOLYBDENUM 压力容器 用铬钼 合金

链接地址:http://www.mydoc123.com/p-458220.html