Welding of Pipelines and Related Facilities AWS Bookstore

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Special Notes, API publications necessarily address problems of a general nature With respect to particular circumstances local. state and federal laws and regulations should be reviewed. Neither API nor any of API s employees subcontractors consultants committees or other assignees make any. warranty or representation either express or implied with respect to the accuracy completeness or usefulness of the. information contained herein or assume any liability or responsibility for any use or the results of such use of any. information or process disclosed in this publication Neither API nor any of API s employees subcontractors. consultants or other assignees represent that use of this publication would not infringe upon privately owned rights. API publications may be used by anyone desiring to do so Every effort has been made by the Institute to assure the. accuracy and reliability of the data contained in them however the Institute makes no representation warranty or. guarantee in connection with this publication and hereby expressly disclaims any liability or responsibility for loss or. damage resulting from its use or for the violation of any authorities having jurisdiction with which this publication may. API publications are published to facilitate the broad availability of proven sound engineering and operating. practices These publications are not intended to obviate the need for applying sound engineering judgment. regarding when and where these publications should be utilized The formulation and publication of API publications. is not intended in any way to inhibit anyone from using any other practices. Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standard. is 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 the applicable API standard. Classified areas may vary depending on the location conditions equipment and substances involved in any given. situation Users of this Standard should consult with the appropriate authorities having jurisdiction. Users of this Standard should not rely exclusively on the information contained in this document Sound business sci. entific engineering and safety judgment should be used in employing the information contained herein. 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 Publishing Services 1220 L Street NW Washington DC 20005. Copyright 2013 American Petroleum Institute, This standard was prepared by a formulating committee that included representatives of the API the American Gas. Association AGA the Pipe Line Contractors Association PLCA the American Welding Society AWS and the. American Society for Nondestructive Testing ASNT as well as representatives of pipe manufacturers and. individuals associated with related industries, The purpose of this standard is to present methods for the production of high quality welds through the use of. qualified welders using approved welding procedures materials and equipment Its purpose is also to present. inspection methods to ensure the proper analysis of welding quality through the use of qualified technicians and. approved methods and equipment It applies to both new construction and in service welding. The use of this standard is entirely voluntary and is intended to apply to welding of piping used in the compression. pumping and transmission of crude petroleum petroleum products fuel gases carbon dioxide and nitrogen and. where applicable to distribution systems, This standard represents the combined efforts of many engineers who are responsible for the design construction. and operation of oil and gas pipelines and the committee appreciatively acknowledges their wholehearted and. valuable assistance, Nothing contained in any API publication is to be construed as granting any right by implication or otherwise for the.
manufacture sale or use of any method apparatus or product covered by letters patent Neither should anything. contained in the publication be construed as insuring anyone against liability for infringement of letters patent. Shall 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 order. to conform to the specification, This document was produced under API standardization procedures that ensure appropriate notification and. participation in the developmental process and is designated as an API standard Questions concerning the. interpretation of the content of this publication or comments and questions concerning the procedures under which. this publication was developed should be directed in writing to the Director of Standards American Petroleum. Institute 1220 L Street NW Washington DC 20005 Requests for permission to reproduce or translate all or any part. of the material published herein should also be addressed to the director. Generally API standards are reviewed and revised reaffirmed or withdrawn at least every five years A one time. extension of up to two years may be added to this review cycle Status of the publication can be ascertained from the. API Standards Department telephone 202 682 8000 A catalog of API publications and materials is published. annually by API 1220 L Street NW Washington DC 20005. Suggested revisions are invited and should be submitted to the Standards Department API 1220 L Street NW. Washington DC 20005 standards api org,2 Normative References 1. 3 Terms Definitions Acronyms and Abbreviations 2,3 1 Terms and Definitions 2. 3 2 Acronyms and Abbreviations 5,4 Specifications 8. 4 1 Equipment 8,4 2 Materials 8, 5 Qualification of Welding Procedures with Filler Metal Additions 9.
5 1 Procedure Qualification 9,5 2 Record 9,5 3 Welding Procedure Specification 9. 5 4 Essential Variables 13,5 5 Welding of Test Joints Butt Welds 16. 5 6 Testing of Welded Joints Butt Welds 16,5 7 Welding of Test Joints Fillet Welds 23. 5 8 Testing of Welded Joints Fillet Welds 23,6 Qualification of Welders 25. 6 1 General 25,6 2 Single Qualification 25,6 3 Multiple Qualification 26.
6 4 Visual Examination 28,6 5 Destructive Testing 29. 6 6 Nondestructive Testing NDT Butt Welds Only 30,6 7 Retesting 30. 6 8 Records 30, 7 Design and Preparation of a Joint for Production Welding 31. 7 1 General 31,7 2 Alignment 31,7 3 Use of Lineup Clamp for Butt Welds 31. 7 4 Bevel 31,7 5 Weather Conditions 31,7 6 Clearance 31.
7 7 Cleaning Between Beads 32,7 8 Position Welding 32. 7 9 Roll Welding 32,7 10 Identification of Welds 32. 7 11 Preheat and PWHT 32,8 Inspection and Testing of Production Welds 33. 8 1 Rights of Inspection 33,8 2 Methods of Inspection 33. 8 3 Qualification of Inspection Personnel 33,8 4 Certification of NDT Personnel 33.
9 Acceptance Standards for NDT 34,9 1 General 34,9 2 Rights of Rejection 34. 9 3 Radiographic Testing 34,9 4 Magnetic Particle Testing 41. 9 5 Liquid Penetrant Testing 42,9 6 Ultrasonic Testing 43. 9 7 Visual Acceptance Standards for Undercutting 45. 10 Repair and Removal of Weld Defects 45,10 1 General 45. 10 2 Authorization for Repair 45,10 3 Repair Procedure 47.
10 4 Repair Welder Qualification 53,10 5 Supervision 54. 10 6 Acceptance Criteria 54,11 Procedures for NDT 55. 11 1 Radiographic Test Methods 55,11 2 Magnetic Particle Test Method 60. 11 3 Liquid Penetrant Test Method 60,11 4 Ultrasonic Test Methods 60. 12 Mechanized Welding with Filler Metal Additions 66. 12 1 Acceptable Processes 66,12 2 Procedure Qualification 66.
12 3 Record 66,12 4 Welding Procedure Specification 66. 12 5 Essential Variables 68, 12 6 Qualification of Welding Equipment and Operators 70. 12 7 Records of Qualified Operators 71, 12 8 Inspection and Testing of Production Welds 71. 12 9 Acceptance Standards for NDT 71,12 10 Repair and Removal of Defects 71. 12 11 Radiographic Testing 71,12 12 Ultrasonic Testing 71.
13 Automatic Welding Without Filler Metal Additions 72. 13 1 Acceptable Processes 72,13 2 Procedure Qualification 72. 13 3 Record 76,13 4 Welding Procedure Specification 76. 13 5 Essential Variables 76,13 6 Qualification of Equipment and Operators 77. 13 7 Records of Qualified Operators 77,13 8 Quality Assurance of Production Welds 77. 13 9 Acceptance Standards for NDT 78,13 10 Repair and Removal of Defects 78.
13 11 Radiographic Procedure 79, Annex A normative Alternative Acceptance Standards for Girth Welds 80. Annex B normative In service Welding 102, Annex C normative Requests for Interpretation and Request for Revision to the Document 117. 1 Sample Welding Procedure Specification Form 10,2 Sample Coupon Test Report 11. 3 Location of Test Butt Weld Specimens for Procedure Qualification Test 17. 4 Tension Test Specimen 19,5 Nick Break Test Specimen 20. 6 Dimensioning of Imperfections in Exposed Weld Surfaces 21. 7 Root and Face Bend Test Specimen Wall Thicknesses Less Than or Equal to 0 500 in 12 7 mm 21. 8 Jig for Guided bend Tests 22, 9 Side Bend Test Specimen Wall Thicknesses Greater than 0 500 in 12 7 mm 23.
10 Location of Nick Break Test Specimens Fillet Weld Procedure and Welder Qualification. Test Welds 24, 11 Location of Nick Break Test Specimens Fillet Weld Procedure and Welder Qualification. Test Welds Including Size to size Branch Connection Welder Qualification Test 24. 12 Location of Test Butt Weld Specimens for Welder Qualification Test 27. 13 Inadequate Penetration Without High low 34,14 Inadequate Penetration Due to High low 35. 15 Inadequate Cross Penetration 35, 16 Incomplete Fusion at Root of Bead or Top of Joint 36. 17 Incomplete Fusion Due to Cold Lap 36,18 Internal Concavity 36. 19 Maximum Distribution of Gas Pockets Wall Thickness t Less Than or Equal to. 0 500 in 12 7 mm 39, 20 Maximum Distribution of Gas Pockets Wall Thickness t Greater Than 0 500 in 12 7 mm 40.
21 Hardness Locations for Full Thickness Repair Procedure Qualification 50. 22 Hardness Locations for Partial Thickness Repair Procedure Qualification at Weld Centerline 51. 23 Hardness Locations for Cover Pass Repair Procedure at Weld Centerline 51. 24 Hardness Location for Back Weld Repair or Internal Partial Thickness Repair Procedure. at Weld Centerline 52, 25 Hardness Locations for Cover Pass Repair Procedure at Fusion Line 52. 26 Hardness Locations for Partial Thickness Repair at Fusion Line 52. 27 Reference Block for Manual Ultrasonic Testing 64. 28 Establishing Distance Refracted Angle and Velocity 64. 29 Transfer Procedure 65, 30 Location of Test Butt Weld Specimens for Flash Weld Procedure Qualification. Test Outside Diameter Greater Than 18 in 457 mm but Less Than or Equal to 24 in 610 mm 72. 31 Location of Test Butt Weld Specimens for Flash Weld Procedure Qualification. Test Outside Diameter Greater Than 24 in 610 mm but Less Than or Equal to 30 in 762 mm 73. 32 Location of Test Butt Weld Specimens for Flash Weld Procedure Qualification. Test Outside Diameter Greater Than 30 in 762 mm 73. 33 Two in Nick Break Test Specimen 75, A 1 Top View Width in Circumferential Direction of the Tensile Test Specimen 86. A 2 Charpy Specimen and V notch Location for the HAZ Impact Testing 87. A 3 Orientation of CTOD Test Specimen 88, A 4 Machining Objective for CTOD Test Specimen with Respect to Pipe Wall 88. A 5 Location of Notch for Weld Metal Specimen 89, A 6 Location of Notch for Heat affected Zone Specimen 89.
A 7 Option 1 Imperfection Limits for CTOD 0 010 in 0 25 mm 91. A 8 Option 1 Imperfection Limits for 0 004 in 0 10 mm CTOD 0 010 in 0 25 mm 92. A 9 Allowable Imperfection Size Curves Before and After Height Adjustment 94. A 10 Schematic Overview of the Option 2 Procedure 95. A 11 Criteria for Evaluation of Imperfection Interaction 101. B 1 Examples of Typical Temper Bead Deposition Sequences 103. B 2 Suggested Procedure and Welder Qualification Test Assembly 105. B 3 Suggested Location of Test Specimens for Sleeve and Branch Welds 107. B 4 Suggested Location of Test Specimens for Weld Deposition Repair 108. B 5 Macro Test Specimen In service Welds 109,B 6 Face Bend Test Specimen 110. B 7 Reinforcing Pad 112,B 8 Reinforcing Saddle 113. B 9 Encirclement Sleeve 113,B 10 Encirclement Tee 114. B 11 Encirclement Sleeve and Saddle 114,B 12 Encirclement Saddle 115. 1 Filler Metal Groups 15, 2 Type and Number of Test Specimens for Procedure Qualification Test 18.
3 Type and Number of Butt Weld Test Specimens per Welder for Welder Qualification Test and. Destructive Testing of Production Welds 30,4 Maximum Dimensions of Undercutting 45. 5 Type and Number of Butt Weld Test Specimens per Repair Type for Repair Procedure. Qualification 48,6 Repair Weld Maximum Hardness Values HV10 53. 7 Type and Number of Butt Weld Test Specimens per Repair Type for Repair Welder Qualification 54. 8 Weld Thickness vs Diameter of ASTM E747 Wire Type IQI 58. 9 Weld Thickness vs Diameter of ISO Wire Type IQI 58. 10 Type and Number of Test Specimens for Procedure Qualification Test Flash Weld Only 74<. Welding of Pipelines and Related Facilities API STANDARD 1104 TWENTY FIRST EDITION SEPTEMBER 2013

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