API STD 650-2013 Welded Tanks for Oil Storage (Twelfth Edition Incorporates Errata 1 July 2013 Addendum 1 September 2014 Errata 2 December 2014 Addendum 2 January 2016 Addendum 3 A.pdf

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1、Welded Tanks for Oil StorageAPI STANDARD 650TWELFTH EDITION, MARCH 2013ADDENDUM 1, SEPTEMBER 2014 ADDENDUM 2, JANUARY 2016 ERRATA 1, JULY 2013ERRATA 2, DECEMBER 2014Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, local,state,

2、and federal laws and regulations should be reviewed.Neither API nor any of APIs employees, subcontractors, consultants, committees, or other assignees make anywarranty or representation, either express or implied, with respect to the accuracy, completeness, or usefulness of theinformation contained

3、herein, or assume any liability or responsibility for any use, or the results of such use, of anyinformation or process disclosed in this publication. Neither API nor any of APIs employees, subcontractors,consultants, or other assignees represent that use of this publication would not infringe upon

4、privately owned rights.API publications may be used by anyone desiring to do so. Every effort has been made by the Institute to assure theaccuracy and reliability of the data contained in them; however, the Institute makes no representation, warranty, orguarantee in connection with this publication

5、and hereby expressly disclaims any liability or responsibility for loss ordamage resulting from its use or for the violation of any authorities having jurisdiction with which this publication mayconflict.API publications are published to facilitate the broad availability of proven, sound engineering

6、 and operatingpractices. These publications are not intended to obviate the need for applying sound engineering judgmentregarding when and where these publications should be utilized. The formulation and publication of API publicationsis not intended in any way to inhibit anyone from using any other

7、 practices.Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standardis solely responsible for complying with all the applicable requirements of that standard. API does not represent,warrant, or guarantee that such products do in fact conform to t

8、he applicable API standard.API is not undertaking to meet the duties of employers, manufacturers, or suppliers to warn and properly train andequip their employees, and others exposed, concerning health and safety risks and precautions, nor undertaking theirobligations to comply with authorities havi

9、ng jurisdiction.All rights reserved. No part of this work may be reproduced, translated, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission from the publisher. Contact the Publisher, API Publishin

10、g Services, 1220 L Street, NW, Washington, DC 20005.Copyright 2016 American Petroleum InstituteNoticeInstructions for Submitting a Proposed Revision to this Standard Under Continuous MaintenanceThe American Petroleum Institute maintains this standard under continuous maintenance procedures. Thesepro

11、cedures establish a documented program for regular publication of addenda or revisions, including timely anddocumented consensus action on requests for revisions to any part of the standard. See Annex D for additionalinformation. Proposed revisions shall be submitted to the Director, Standards Depar

12、tment, American PetroleumInstitute, 1220 L Street, NW, Washington, D.C. 20005-4070, standardsapi.org.15iiiForewordThis Standard is based on the accumulated knowledge and experience of Purchasers and Manufacturers of weldedoil storage tanks of various sizes and capacities for internal pressures not m

13、ore than 17.2 kPa (21/2pounds persquare inch) gauge. This Standard is meant to be a purchase specification to facilitate the manufacture andprocurement of storage tanks for the petroleum industry.If the tanks are purchased in accordance with this Standard, the Purchaser is required to specify certai

14、n basicrequirements. The Purchaser may want to modify, delete, or amplify sections of this Standard, but reference to thisStandard shall not be made on the nameplates of or on the Manufacturers certification for tanks that do not fulfill theminimum requirements of this Standard or that exceed its li

15、mitations. It is strongly recommended that anymodifications, deletions, or amplifications be made by supplementing this Standard rather than by rewriting orincorporating sections of it into another complete standard.The design rules given in this Standard are minimum requirements. More stringent des

16、ign rules specified by thePurchaser or furnished by the Manufacturer are acceptable when mutually agreed upon by the Purchaser and theManufacturer. This Standard is not to be interpreted as approving, recommending, or endorsing any specific design oras limiting the method of design or construction.S

17、hall: As used in a standard, “shall” denotes a minimum requirement in order to conform to the specification.Should: As used in a standard, “should” denotes a recommendation or that which is advised but not required in orderto conform to the specification.This Standard is not intended to cover storag

18、e tanks that are to be erected in areas subject to regulations morestringent than the specifications in this Standard. When this Standard is specified for such tanks, it should be followedinsofar as it does not conflict with local requirements. The Purchaser is responsible for specifying any jurisdi

19、ctionalrequirements applicable to the design and construction of the tank.After revisions to this Standard have been issued, they may be applied to tanks that are to be completed after the dateof issue. The tank nameplate shall state the date of the edition of the Standard and any revision to that e

20、dition towhich the tank has been designed and constructed.Each edition, revision, or addenda to this API Standard may be used beginning with the date of issuance shown onthe cover page for that edition, revision, or addenda. Each edition, revision, or addenda to this API Standard becomeseffective si

21、x months after the date of issuance for equipment that is certified as being constructed, and inspected perthis Standard. During the six-month time between the date of issuance of the edition, revision, or addenda and theeffective date, the Purchaser and the Manufacturer shall specify to which editi

22、on, revision, or addenda the equipmentis to be constructed and inspected.vImportant Information Concerning Use of Asbestos or Alternative MaterialsAsbestos is specified or referenced for certain components of the equipment described in some API standards. It hasbeen of extreme usefulness in minimizi

23、ng fire hazards associated with petroleum processing. It has also been auniversal sealing material, compatible with most refining fluid services.Certain serious adverse health effects are associated with asbestos, among them the serious and often fatal diseasesof lung cancer, asbestosis, and mesothe

24、lioma (a cancer of the chest and abdominal linings). The degree of exposureto asbestos varies with the product and the work practices involved.Consult the most recent edition of the Occupational Safety and Health Administration (OSHA), U.S. Department ofLabor, Occupational Safety and Health Standard

25、 for Asbestos, Tremolite, Anthophyllite, and Actinolite, 29 Code ofFederal Regulations Section 1910.1001; the U.S. Environmental Protection Agency, National Emission Standard forAsbestos, 40 Code of Federal Regulations Sections 61.140 through 61.156; and the U.S. Environmental ProtectionAgency (EPA)

26、 rule on labeling requirements and phased banning of asbestos products (Sections 763.160-179).There are currently in use and under development a number of substitute materials to replace asbestos in certainapplications. Manufacturers and users are encouraged to develop and use effective substitute m

27、aterials that canmeet the specifications for, and operating requirements of, the equipment to which they would apply.SAFETY AND HEALTH INFORMATION WITH RESPECT TO PARTICULAR PRODUCTS OR MATERIALS CAN BEOBTAINED FROM THE EMPLOYER, THE MANUFACTURER OR SUPPLIER OF THAT PRODUCT OR MATERIAL,OR THE MATERI

28、AL SAFETY DATASHEET.viContentsPage1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11.2 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-31.3 Responsibilities . . . . . . . . . . . . . .

30、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-41.4 Documentation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-41.5 Formulas. . . . . .

31、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-42 Normative References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32、 . .2-13 Terms and Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33、. . . . . . . . . . . . . . . . . . .4-14.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14.2 Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24.3 Sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-94.4 Structural Shapes . . . . . . .

35、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-94.5 Piping and Forgings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-144.6 Fla

36、nges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-174.7 Bolting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37、. . . . . . . . . . . . . . . . . .4-174.8 Welding Electrodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-174.9 Gaskets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-185 Design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-15.1 Joints . . . . . . . . . . . . . . . . . . . . .

39、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-15.2 Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-95.3 Special Cons

40、iderations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-125.4 Bottom Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41、 . . . .5-145.5 Annular Bottom Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-155.6 Shell Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42、. . . . . . . . . . . . . . . . . . . .5-175.7 Shell Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-275.8 Shell Attachments and Tank Appurtenances. . . . . . . . . . . . . . . . . . . . . . . .

43、 . . . . . . . . . . . . . . . . . . . . . . . .5-675.9 Top and Intermediate Stiffening Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-805.10 Roofs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-915.11 Wind Load on Tanks (Overturning Stability) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-985.12 Tank Anchorage. . . . . . . . . . . . . . . . . . . . . . . . . . . .

45、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1005.13 Downward Reactions on Foundations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1076 Fabrication . . . . . . . . . . . . . . . . . . . . . . . . .

46、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-16.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-16.2 Shop Inspection.

47、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-27 Erection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48、. . . . . . . .7-17.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-17.2 Details of Welding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49、 . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-17.3 Examination, Inspection, and Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-57.4 Repairs to Welds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-117.5 Dimensional Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-118 Methods of Examining Joints . . . . . . . . . . . . .