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Position: Chinese Standard in English/DL/T 869-2012
DL/T 869-2012   Code of Welding for Power Plant (English Version)
Standard No.: DL/T 869-2012 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 16000 words Price(USD):400.0 remind me the price change

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Implemented on:2012-3-1 Delivery: via email in 1 business day
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Standard No.: DL/T 869-2012
English Name: Code of Welding for Power Plant
Chinese Name: 火力发电厂焊接技术规程
Professional Classification: DL    Professional Standard - Electricity
Issued by: NEA
Issued on: 2012-1-4
Implemented on: 2012-3-1
Status: superseded
Superseded by:DL/T 869-2021
Superseded on:2022-3-22
Superseding:DL/T 869-2004 The code of welding for power plant
Language: English
File Format: PDF
Word Count: 16000 words
Price(USD): 400.0
Delivery: via email in 1 business day
1 Scope This standard specifies the technical requirements for the welding work of boilers, pressure vessels, pressure pipelines, steel structures and non-pressure parts welding on pressure parts and for the welding repair work of main and auxiliary parts for design, installation, maintenance, reconstruction project and auxiliary processing and manufacturing of thermal power plant. This standard is applicable to shielded metal arc welding (SMAW), tungsten inert gas welding (TIG), consumable electrode (solid-core and flux-cored wire) gas metal arc welding (GMAW, FCAW), oxyfuel gas welding (OFW), submerged-arc welding (SAW), etc. This standard is also applicable to the welding of non-pressure structures, leakproof and general support structures. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated normative references, only the dated editions are applicable to this document. For undated references, the latest edition (including any amendments) applies. GB 713 "Steel Plates for Boiler and Pressure Vessels" GB/T 985.1 "Recommended Joint Preparation for Gas Welding, Manual Metal Arc Welding, Gas-shield Arc Welding and Beam Welding" GB/T 985.2 "Recommended Joint Preparation for Submerged Arc Welding" GB/T 3323 "Radiographic Examination of Fusion Welded Joints in Metallic Materials" GB/T 4842 "Argon" GB/T 5293 "Carbon Steel Electrodes and Fluxs for Submerged Arc Welding" GB 5310 "Seamless Steel Tubes and Pipes for High Pressure Boiler" GB 6819 "Dissolved Acetylene" GB/T 11345 "Method for Manual Ultrasonic Testing and Classification of Testing Results for Ferritic Steel Welds"GB/T 12470 "Low-alloy Steel Electrodes and Fluxs for Submerged Arc Welding" GB/T 17394 "Metallic Materials-Leeb Hardness Test" DL/T 438 "Technical Supervision Codes for Metal in Thermal Power Plants" DL/T 675 "Examination Code for Qualification of Non-destructive Testing Personnel of Electric Power Industry" DL/T 678 "General Welding Procedure Specification for Structural Steel of Power Station" DL/T 679 "Code for Welder Technical Qualification" DL/T 734 "Technical Guide of Welding Repair for Boiler Drum in Fossil-Fired Power Plants" DL/T 752 "The Code of the Welding on Dissimilar Steel for Power Plant" DL/T 753 "Technical Guide for Repair Welding of Cast Steel Parts in Steam Turbine" DL/T 754 "Code of the Welding Technique for Aluminium Bus for Power Plant" DL/T 819 "The Code for the Welding Heat Treatment for Power Plant" DL/T 820 "The Code of Ultrasonic Inspection Section for Butt Welds of Pipes" DL/T 821 "The Code of Radiographic Examination of Butt Welded-Joints of Pressure Steels Pipes and Tubes" DL/T 868 "The Code of Welding Procedure Qualification" DL/T 884 "Power Plant Metallography Inspection and Assessment Guideline" DL/T 905 "Technical Guide for Repair Welding of Turbine Blades" DL/T 931 "The Rule of Physico-chemical Personnel Qualification in Electric Power Industry" DL/T 991 "Spectral Analysis Guideline of Metal for Electrical Power Equipment" DL/T 1097 "The Code of Welding for Tube-plate of Condenser of Power Plant" DL/T 5210.7 "Code for Construction Quality Acceptance and Evaluation of Electric Power Construct-Part 7: Welding" HG/T 2537 "Carbon Dioxide for Welding Use" HG/T 3728 "Mixed Gas for Welding Argon-Carbon Dioxide" JB/T 3223 "Rules of Quality Management of Welding Materials" JB/T 4730.1~JB/T 4730.6 "Nondestructive Testing of Pressure Equipments" SJ/T 10743 "Ceriated Tungsten Electrodes for Inert Gas Arc Welding and Plasma Welding and Cutting" 3 General Requirements 3.1 General 3.1.1 The welding work for steel structure, aluminium bus and condenser tube plate for power station shall comply with the requirements of DL/T 678, DL/T 754 and DL/T 1097 respectively. 3.1.2 The welding engineering shall be subjected to welding procedure qualification and welding procedure (operation) instruction preparation according to DL/T 868, and to welding construction measures document preparation if necessary. 3.1.3 The quality inspection for welded joints shall be carried out according to the operating conditions of the parts and the classification of the quality requirements. 3.1.4 Such work as quality inspection for welded joints and welder examination shall be carried out according to the relevant regulations respectively. 3.1.5 The quality acceptance and qualification work of welding engineering shall be carried out in accordance with DL/T 5210.7. 3.1.6 The welding and repair on important parts shall be carried out in accordance with special regulations, specifications and technical guidelines. 3.1.7 The welding work shall comply with the national and profession safety and environmental protection provisions as well as other special provisions. 3.2 Company and welder 3.2.1 Qualifications to be possessed of by construction, supervision, overhaul and relevant organizations who undertake welding and inspection of thermal power plant a) Company qualification approved by the nation and appropriate to undertaken engineering, and corresponding quality assurance system shall be provided. b) The company's quality system shall make definite provisions for welding engineering management, and shall be capable of effectively operating in welding engineering construction and its supervision process to ensure the welding engineering quality. c) Professional welding principal shall be designated to be responsible for technical, quality and safety work of this profession. d) Welding construction, inspection equipment and human resources appropriate to engineering scale shall be provided.
Foreword I Introduction II 1 Scope 2 Normative References 3 General Requirements 4 Groove Preparation and Assembly Requirements 5 Welding Procedure 6 Quality Inspection 7 Quality Criteria 8 Welding Recovery 9 Technical Documents for Welding Appendix A (Informative) Chemical Composition and Mechanical Property of Common Steels of Power Plant Appendix B (Informative) Zoom Table of Electrodes (Welding Wires) for Welding Dissimilar Steels and Post-weld Heat Treatment Temperature Appendix C (Informative) Chemical Composition and Mechanical Property at Normal Temperature for Common Electrode Deposited Metal Appendix D (Informative) Chemical Composition of Common Welding Wires Appendix E (Normative) Special Technical Requirements for Welding of Austenitic Stainless Steel and Nickel-based Alloy Appendix F (Normative) Specific Requirements for Welding Technique of 9%~12%Cr Martensite Heat Resistant Steel Appendix G (Informative) First Pass Yield of Welded Joints for Non-destructive Testing
Referred in DL/T 869-2012:
*GB 713-2014 Steel plates for boilers and pressure vessels
*GB/T 985.1-2008 Recommended Joint Preparation for Gas Welding, Manual Metal Arc
*GB/T 985.2-2008 Recommended Joint Preparation for Submerged Arc Welding
*GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials
*GB/T 4842-2017 Argon
*GB/T 5293-2018 Solid wire electrodes,tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels
*GB 5310-2008 Seamless steel tubes and pipes for high pressure boiler
*GB 6819-2004 Dissolved acetylene
*GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment
*GB/T 12470-2018 Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels
*GB/T 17394-1998 Metallic materials - Leeb hardness test
*DL/T 438-2016 The Technical Supervision Codes for Metal in Fossil-fuel Power Plant
*DL/T 675-2014 Examination Code for Qualification of Non-destructive Testing Personnel of Electric Power Industry
*DL/T 678-2013 General Welding Procedure Specification of Electric Power Steel Structure
*DL/T 679-2012 Code for welder technical qualification
*DL/T 734-2017
*DL/T 752-2010 The code of the welding on dissimilar steel for power plant
*DL/T 753-2015 Techinal Guide for Repair Welding of Cast Steel Parts in Steam Turbine
*DL/T 754-2013 Code of the Welding Technique for Bus
*DL/T 819-2019 The code for the welding heat treatment for power plant
*DL/T 820-2002 The code of ultrasonic inspection section for butt welds of pipes
*DL/T 821-2017 Radiographic examination and quality classification of welded burr joints in metallic materials
*DL/T 868-2014 The Code of Welding Procedure Qualification
*DL/T 884-2019 Power plant metallography inspection and assessment guideline
*DL/T 905-2016 Code of repair welding for blade of steam turbine and runner of hydroturbine
*DL/T 931-2017 The rules for examination of physical-chemical inspectors in electric power industry
*DL/T 991-2006 Spectral analysis guideline of metal for electrical power equipment
*DL/T 1097-2008 The code of welding for tube-plate of condenser of power plant
*DL/T 5210.7-2010 Code for construction quality acceptance and evaluation of electric power construct Part 7:welding
*HG/T 2537-1993 Carbon Dioxide for Welding Usage
*HG/T 3728-2004 Mixed gas for welding Argon - Carbon dioxide
*JB/T 3223-2017 Welding consumables quality management procedures
*JB/T 4730.1-2005 Nondestructive Testing for Pressure Equipment - Part 1: General Requirements
*JB/T 4730.2-2005 Nondestructive testing of pressure equipments?Part 2:Radiographic testing
*JB/T 4730.3-2005 Nondestructive testing of pressure equipments?Part 3:Ultasonic testing
*JB/T 4730.4-2005 Nondestructive Testing of Pressure Equipments - Part 4: Magnetic Particle Testing
*JB/T 4730.5-2005 Nondestructive Testing of Pressure Equipments - Part 5: Penetrant Testing
*JB/T 4730.6-2005 Nondestructive Testing for Pressure Equipment - Part 6: Eddy current testing
*SJ/T 10743-1996 Tungsten-cerium electrodes for inert gas arc welding, plasma welding and cutting
DL/T 869-2012 is referred in:
* DL/T 752-2010 The code of the welding on dissimilar steel for power plant
* DL/T 438-2009 The technical supervision codes for metal in fossil-fuel power plant
* DL/T 5210.3-2009 Code for construction quality acceptance and evlauation of electric power construct Part 3:turbine generator unit
* DL/T 5210.5-2009 Code for construction quality acceptance and evlauation of electric power construct Part 5:Piping&System
* DL/T 5210.6-2009 Specification for construction quality acceptance and evaluation of electric power construct Part 6:The equipment and the system with the water treatment and hydrogen generation
* DL/T 5210.8-2009 Code for Construction Quality Acceptance and Evaluation of Electric Power Construct Part 8: Processing Preparation
* DL/T 752-2010 The code of the welding on dissimilar steel for power plant
* DL/T 5210.8-2009 Code for Construction Quality Acceptance and Evaluation of Electric Power Construct Part 8: Processing Preparation
* DL/T 5210.6-2009 Specification for construction quality acceptance and evaluation of electric power construct Part 6:The equipment and the system with the water treatment and hydrogen generation
* DL/T 5210.3-2009 Code for construction quality acceptance and evlauation of electric power construct Part 3:turbine generator unit
* DL/T 5210.5-2009 Code for construction quality acceptance and evlauation of electric power construct Part 5:Piping&System
* DL/T 438-2009 The technical supervision codes for metal in fossil-fuel power plant
* DL/T 5210.1-2005 Specification for construction quality acceptance and evaluation of electric power construct Part 1: Civil construction engineering
* DL/T 1269-2013 Guide of the Unit Steam Blowing for Fossil Power Construction Project
* DL/T 819-2010 The code for the welding heat treatment for power plant
*DL/T 5054-2016 Code for design of steam water piping in thermal power plant
*DL 647-2004 Inspection code for boiler and pressure vessel in thermal power plant
Code of China
Standard
DL/T 869-2012  Code of Welding for Power Plant (English Version)
Standard No.DL/T 869-2012
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count16000 words
Price(USD)400.0
Implemented on2012-3-1
Deliveryvia email in 1 business day
Detail of DL/T 869-2012
Standard No.
DL/T 869-2012
English Name
Code of Welding for Power Plant
Chinese Name
火力发电厂焊接技术规程
Chinese Classification
Professional Classification
DL
ICS Classification
Issued by
NEA
Issued on
2012-1-4
Implemented on
2012-3-1
Status
superseded
Superseded by
DL/T 869-2021
Superseded on
2022-3-22
Abolished on
Superseding
DL/T 869-2004 The code of welding for power plant
Language
English
File Format
PDF
Word Count
16000 words
Price(USD)
400.0
Keywords
DL/T 869-2012, DL 869-2012, DLT 869-2012, DL/T869-2012, DL/T 869, DL/T869, DL869-2012, DL 869, DL869, DLT869-2012, DLT 869, DLT869
Introduction of DL/T 869-2012
1 Scope This standard specifies the technical requirements for the welding work of boilers, pressure vessels, pressure pipelines, steel structures and non-pressure parts welding on pressure parts and for the welding repair work of main and auxiliary parts for design, installation, maintenance, reconstruction project and auxiliary processing and manufacturing of thermal power plant. This standard is applicable to shielded metal arc welding (SMAW), tungsten inert gas welding (TIG), consumable electrode (solid-core and flux-cored wire) gas metal arc welding (GMAW, FCAW), oxyfuel gas welding (OFW), submerged-arc welding (SAW), etc. This standard is also applicable to the welding of non-pressure structures, leakproof and general support structures. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated normative references, only the dated editions are applicable to this document. For undated references, the latest edition (including any amendments) applies. GB 713 "Steel Plates for Boiler and Pressure Vessels" GB/T 985.1 "Recommended Joint Preparation for Gas Welding, Manual Metal Arc Welding, Gas-shield Arc Welding and Beam Welding" GB/T 985.2 "Recommended Joint Preparation for Submerged Arc Welding" GB/T 3323 "Radiographic Examination of Fusion Welded Joints in Metallic Materials" GB/T 4842 "Argon" GB/T 5293 "Carbon Steel Electrodes and Fluxs for Submerged Arc Welding" GB 5310 "Seamless Steel Tubes and Pipes for High Pressure Boiler" GB 6819 "Dissolved Acetylene" GB/T 11345 "Method for Manual Ultrasonic Testing and Classification of Testing Results for Ferritic Steel Welds"GB/T 12470 "Low-alloy Steel Electrodes and Fluxs for Submerged Arc Welding" GB/T 17394 "Metallic Materials-Leeb Hardness Test" DL/T 438 "Technical Supervision Codes for Metal in Thermal Power Plants" DL/T 675 "Examination Code for Qualification of Non-destructive Testing Personnel of Electric Power Industry" DL/T 678 "General Welding Procedure Specification for Structural Steel of Power Station" DL/T 679 "Code for Welder Technical Qualification" DL/T 734 "Technical Guide of Welding Repair for Boiler Drum in Fossil-Fired Power Plants" DL/T 752 "The Code of the Welding on Dissimilar Steel for Power Plant" DL/T 753 "Technical Guide for Repair Welding of Cast Steel Parts in Steam Turbine" DL/T 754 "Code of the Welding Technique for Aluminium Bus for Power Plant" DL/T 819 "The Code for the Welding Heat Treatment for Power Plant" DL/T 820 "The Code of Ultrasonic Inspection Section for Butt Welds of Pipes" DL/T 821 "The Code of Radiographic Examination of Butt Welded-Joints of Pressure Steels Pipes and Tubes" DL/T 868 "The Code of Welding Procedure Qualification" DL/T 884 "Power Plant Metallography Inspection and Assessment Guideline" DL/T 905 "Technical Guide for Repair Welding of Turbine Blades" DL/T 931 "The Rule of Physico-chemical Personnel Qualification in Electric Power Industry" DL/T 991 "Spectral Analysis Guideline of Metal for Electrical Power Equipment" DL/T 1097 "The Code of Welding for Tube-plate of Condenser of Power Plant" DL/T 5210.7 "Code for Construction Quality Acceptance and Evaluation of Electric Power Construct-Part 7: Welding" HG/T 2537 "Carbon Dioxide for Welding Use" HG/T 3728 "Mixed Gas for Welding Argon-Carbon Dioxide" JB/T 3223 "Rules of Quality Management of Welding Materials" JB/T 4730.1~JB/T 4730.6 "Nondestructive Testing of Pressure Equipments" SJ/T 10743 "Ceriated Tungsten Electrodes for Inert Gas Arc Welding and Plasma Welding and Cutting" 3 General Requirements 3.1 General 3.1.1 The welding work for steel structure, aluminium bus and condenser tube plate for power station shall comply with the requirements of DL/T 678, DL/T 754 and DL/T 1097 respectively. 3.1.2 The welding engineering shall be subjected to welding procedure qualification and welding procedure (operation) instruction preparation according to DL/T 868, and to welding construction measures document preparation if necessary. 3.1.3 The quality inspection for welded joints shall be carried out according to the operating conditions of the parts and the classification of the quality requirements. 3.1.4 Such work as quality inspection for welded joints and welder examination shall be carried out according to the relevant regulations respectively. 3.1.5 The quality acceptance and qualification work of welding engineering shall be carried out in accordance with DL/T 5210.7. 3.1.6 The welding and repair on important parts shall be carried out in accordance with special regulations, specifications and technical guidelines. 3.1.7 The welding work shall comply with the national and profession safety and environmental protection provisions as well as other special provisions. 3.2 Company and welder 3.2.1 Qualifications to be possessed of by construction, supervision, overhaul and relevant organizations who undertake welding and inspection of thermal power plant a) Company qualification approved by the nation and appropriate to undertaken engineering, and corresponding quality assurance system shall be provided. b) The company's quality system shall make definite provisions for welding engineering management, and shall be capable of effectively operating in welding engineering construction and its supervision process to ensure the welding engineering quality. c) Professional welding principal shall be designated to be responsible for technical, quality and safety work of this profession. d) Welding construction, inspection equipment and human resources appropriate to engineering scale shall be provided.
Contents of DL/T 869-2012
Foreword I Introduction II 1 Scope 2 Normative References 3 General Requirements 4 Groove Preparation and Assembly Requirements 5 Welding Procedure 6 Quality Inspection 7 Quality Criteria 8 Welding Recovery 9 Technical Documents for Welding Appendix A (Informative) Chemical Composition and Mechanical Property of Common Steels of Power Plant Appendix B (Informative) Zoom Table of Electrodes (Welding Wires) for Welding Dissimilar Steels and Post-weld Heat Treatment Temperature Appendix C (Informative) Chemical Composition and Mechanical Property at Normal Temperature for Common Electrode Deposited Metal Appendix D (Informative) Chemical Composition of Common Welding Wires Appendix E (Normative) Special Technical Requirements for Welding of Austenitic Stainless Steel and Nickel-based Alloy Appendix F (Normative) Specific Requirements for Welding Technique of 9%~12%Cr Martensite Heat Resistant Steel Appendix G (Informative) First Pass Yield of Welded Joints for Non-destructive Testing
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Keywords:
DL/T 869-2012, DL 869-2012, DLT 869-2012, DL/T869-2012, DL/T 869, DL/T869, DL869-2012, DL 869, DL869, DLT869-2012, DLT 869, DLT869