DEP 61.40.20.31-Gen.pdf
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1、TECHNICAL SPECIFICATION FIELD WELDING OF DUPLEX AND SUPER DUPLEX STAINLESS STEEL PIPELINES (AMENDMENTS/SUPPLEMENTS TO API 1104) DEP 61.40.20.31-Gen. July 1999 DESIGN AND ENGINEERING PRACTICE This document is confidential. Neither the whole nor any part of this document may be disclosed to any third
2、party without the prior written consent of Shell International Oil Products B.V. and Shell International Exploration and Production B.V., The Hague, The Netherlands. The copyright of this document is vested in these companies. All rights reserved. Neither the whole nor any part of this document may
3、be reproduced, stored in any retrieval system or transmitted in any form or by any PDF created with pdfFactory Pro trial version means (electronic, mechanical, reprographic, recording or otherwise) without the prior written consent of the copyright owners. PDF created with pdfFactory Pro trial vers
4、ion PREFACE DEP (Design and Engineering Practice) publications reflect the views, at the time of publication, of: Shell International Oil Products B.V. (SIOP) and Shell International Exploration and Production B.V. (SIEP) and Shell International Chemicals B.V. (SIC) The Hague, The Netherlands, and
5、other Service Companies. They are based on the experience acquired during their involvementwith the design, construction, operation and maintenance of processing units and facilities, and they are supplemented with the experience of Group Operating companies. Where appropriate they are based on, or
6、reference is made to, national and international standards and codes of practice. The objective is to set the recommendedstandard for good design and engineeringpractice applied by Group companies operating an oil refinery, gas handling installation, chemical plant, oil and gas production facility,
7、or any other such facility, and thereby to achieve maximum technical and economic benefit from standardization. The information set forth in these publications is provided to users for their consideration and decision to implement. This is of particular importance where DEPs may not cover every requ
8、irement or diversity of condition at each locality. The system of DEPs is expected to be sufficiently flexible to allow individual operating companies to adapt the information set forth in DEPs to their own environment and requirements. When Contractors or Manufacturers/Suppliers use DEPs they shall
9、 be solely responsible for the quality of work and the attainment of the required design and engineering standards. In particular, for those requirements not specifically covered, the Principal will expect them to follow those design and engineering practices which will achieve the same level of int
10、egrity as reflected in the DEPs. If in doubt, the Contractor or Manufacturer/Supplier shall, without detracting from his own responsibility, consult the Principal or its technical advisor. The right to use DEPs is granted by SIOP, SIEP or SIC, in most cases under Service Agreements primarily with co
11、mpanies of the Royal Dutch/Shell Group and other companies receiving technical advice and services from SIOP, SIEP or SIC. Consequently, three categories of users of DEPs can be distinguished: 1)Operating companies having a Service Agreement with SIOP, SIEP, SIC or other Service Company. The use of
12、DEPs by these Operating companies is subject in all respects to the terms and conditions of the relevant Service Agreement. 2)Other parties who are authorized to use DEPs subject to appropriate contractual arrangements. 3)Contractors/subcontractors and Manufacturers/Suppliers under a contract with u
13、sers referred to under 1) or 2) which requires that tenders for projects, materials supplied or - generally - work performed on behalf of the said users comply with the relevant standards. Subject to any particular terms and conditions as may be set forth in specific agreements with users, SIOP, SIE
14、P and SIC disclaim any liability of whatsoever nature for any damage (including injury or death) suffered by any company or person whomsoever as a result of or in connection with the use, application or implementation of any DEP, combination of DEPs or any part thereof. The benefit of this disclaime
15、r shall inure in all respects to SIOP, SIEP, SIC and/or any company affiliated to these companies that may issue DEPs or require the use of DEPs. Without prejudice to any specific terms in respect of confidentiality under relevant contractual arrangements, DEPs shall not, without the prior written c
16、onsent of SIOP and SIEP, be disclosed by users to any company or person whomsoever and the DEPs shall be used exclusively for the purpose for which they have been provided to the user. They shall be returned after use, including any copies which shall only be made by users with the express prior wri
17、tten consent of SIOP and SIEP. The copyright of DEPs vests in SIOP and SIEP. Users shall arrange for DEPs to be held in safe custody and SIOP or SIEP may at any time require information satisfactory to them in order to ascertain how users implement this requirement. All administrative queries should
18、 be directed to the DEP Administrator in SIOP. NOTE: In addition to DEP publications there are Standard Specifications and Draft DEPs for Development (DDDs). DDDs generally introduce new procedures or techniques that will probably need updating as further experience develops during their use. The ab
19、ove requirements for distribution and use of DEPs are also applicable to Standard Specifications and DDDs. Standard Specifications and DDDs will gradually be replaced by DEPs. DEP 61.40.20.31-Gen. July 1999 Page 2 PDF created with pdfFactory Pro trial version TABLE OF CONTENTS PART IINTRODUCTION .5
20、 1.1SCOPE 5 1.2DISTRIBUTION, INTENDED USE AND REGULATORY CONSIDERATIONS5 1.3DEFINITIONS 5 1.4ABBREVIATIONS 6 1.5CROSS-REFERENCES 7 1.6INFORMATION TO BE SUPPLIED BY THE PRINCIPAL 7 PART IIAMENDMENTS/SUPPLEMENTS TO API 1104 .8 SECTION 1 GENERAL .9 1.1SCOPE 9 1.2DEFINITION OF TERMS.9 1.3REFERENCED PUBL
21、ICATIONS .9 1.4EQUIPMENT .9 1.5MATERIALS 10 1.6QUALITY SYSTEM11 SECTION 2 QUALIFICATION OF WELDING PROCEDURES FOR WELDS CONTAINING FILLER METAL ADDITIVES .12 2.1PROCEDURE QUALIFICATION .12 2.2RECORD .13 2.3PROCEDURE SPECIFICATION .14 2.4ESSENTIAL VARIABLES 17 2.5WELDING OF TEST JOINTS BUTT WELDS .20
22、 2.6TESTING OF WELDED JOINTS - BUTT WELDS.21 2.7WELDING OF TEST JOINTS - FILLET WELDS24 2.8TESTING OF WELDED JOINTS FILLET WELDS 25 2.9WELDING OF TEST REPAIR WELDS26 2.10TESTING OF REPAIR WELDS .27 SECTION 3 QUALIFICATION OF WELDERS28 3.1GENERAL28 3.2SINGLE QUALIFICATION .28 3.3MULTIPLE QUALIFICATIO
23、N .28 3.4VISUAL EXAMINATION 28 3.5DESTRUCTIVE TESTING.28 3.6RADIOGRAPHY BUTT WELDS ONLY.29 3.7RETESTING 29 3.8RECORDS.30 SECTION 4 DESIGN AND PREPARATION OF A JOINT FOR PRODUCTION WELDING 31 4.1GENERAL31 4.2ALIGNMENT31 4.3USE OF LINE-UP CLAMP FOR BUTT WELDS 31 4.4BEVEL .32 4.7CLEANING BETWEEN BEADS.
24、32 4.8POSITION WELDING32 4.9ROLL WELDING32 4.10IDENTIFICATION OF WELDS.32 4.11PRE- AND POST-HEAT TREATMENT .33 4.12SEPARATION OF GIRTH WELDS33 4.13PARTIALLY COMPLETED JOINTS 33 4.14WELD FINISHING .33 4.15SHIELDING AND BACKING GAS .33 DEP 61.40.20.31-Gen. July 1999 Page 3 PDF created with pdfFactory
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