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Position: Chinese Standard in English/DL/T 905-2016
DL/T 905-2016   Code of repair welding for blade of steam turbine and runner of hydroturbine (English Version)
Standard No.: DL/T 905-2016 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 7000 words Price(USD):210.0 remind me the price change

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Implemented on:2016-12-1 Delivery: via email in 1 business day
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Standard No.: DL/T 905-2016
English Name: Code of repair welding for blade of steam turbine and runner of hydroturbine
Chinese Name: 汽轮机叶片、水轮机转轮焊接修复技术规程
Professional Classification: DL    Professional Standard - Electricity
Issued by: National Energy Administration
Issued on: 2016-08-16
Implemented on: 2016-12-1
Status: valid
Superseding:DL/T 905-2004 Technical guide for repair welding of turbine blades
Language: English
File Format: PDF
Word Count: 7000 words
Price(USD): 210.0
Delivery: via email in 1 business day
Code of repair welding for blade of steam turbine and runner of hydroturbine 1 Scope This standard specifies the technical conditions and inspection requirements for repair welding for blades of steam turbine and runners of hydroturbine. This standard is applicable to the repair welding of steam turbine blades, blade shrouds and lacing wires in fossil-fuel power plants, and the repair welding of hydroturbine runners in hydropower plants. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3323 Radiographic examination of fusion welded joints in metallic materials GB/T 11345 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels, and assessment GB/T 29712 Non-destructive testing of welds—Ultrasonic testing—Acceptance levels DL/T 438 The technical supervision codes for metal in fossil-fuel power plant DL/T 675 Examination codes for qualification of non-destructive testing personal of electric power industry DL/T 679 Code for welder technical qualification DL/T 819 The code of the welding heat treatment for power plant DL/T 868 Qualification standard for welding procedures DL/T 869 The code of welding for power plant DL/T 1318 Technical supervision code for hydroelectric power plant metals JB/T 3223 Welding consumables quality management procedures NB/T 47013.4 Nondestructive testing of pressure equipment—Part 4: Magnetic particle testing NB/T 47013.5 Nondestructive testing of pressure equipment—Part 5: Penetrant testing SJ/T 10743 Ceriated tungsten electrodes for inert gas arc welding and plasma welding and cutting 3 General rules 3.1 Welding personnel 3.1.1 General requirements Welding personnel include welding technicians, welders, welding heat treatment personnel and inspectors. All types of personnel shall meet the provisions of this standard in addition to the relevant requirements of DL/T 869. 3.1.2 Welding technicians 3.1.2.1 Welding technicians shall be technicians from the welding major or similar majors with the title of engineer or above, and shall be in charge of the welding process test and the repair welding for blade of steam turbine and runner of hydroturbine. 3.1.2.2 Welding technicians shall know the operating conditions of the parts to be repaired and the causes of defects, master the welding performance of the materials of the parts to be repaired, and be acquainted with and conscientiously implement this standard. 3.1.2.3 Welding technicians are responsible for determining the inspection position, recording, checking and sorting out the welding data and compiling the technical summary.
Foreword i 1 Scope 2 Normative references 3 General rules 3.1 Welding personnel 3.2 Welding process test 3.3 Welding materials and management 3.4 Equipment for repair welding 3.5 Safety requirements and environment conditions 4 Preparation before repair welding 4.1 Confirmation of material and determination of defect location 4.2 Removal of defects 4.3 Groove and fitting 5 Repair welding process 5.1 Repair welding process for steam turbine blade 5.2 Repair process for hydroturbine runner 6 Quality inspection 6.1 Inspection contents 6.2 Appearance inspection 6.3 Non-destructive testing 6.4 Hardness and metallographic inspection 6.5 Others 7 Weld repair 8 Technical documents
Referred in DL/T 905-2016:
*GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials
*GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment
*GB/T 29712-2013 Non-destructive testing of welds—Ultrasonic testing—Acceptance levels
*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 679-2012 Code for welder technical qualification
*DL/T 819-2019 The code for the welding heat treatment for power plant
*DL/T 868-2014 The Code of Welding Procedure Qualification
*DL/T 869-2021 Code of Welding for Power Plant
*DL/T 1318-2014 Metal Technology Supervision Procedures in Hydraulic Power Plant
*JB/T 3223-2017 Welding consumables quality management procedures
*NB/T 47013.4-2015 Nondestructive testing of pressure equipments Part 4: Magnetic particle testing
*NB/T 47013.5-2015 Nondestructive testing of pressure equipments Part 5: Penetrant testing
*SJ/T 10743-1996 Tungsten-cerium electrodes for inert gas arc welding, plasma welding and cutting
DL/T 905-2016 is referred in:
* DL/T 869-2012 The code of Welding for Power Plant
Code of China
Standard
DL/T 905-2016  Code of repair welding for blade of steam turbine and runner of hydroturbine (English Version)
Standard No.DL/T 905-2016
Statusvalid
LanguageEnglish
File FormatPDF
Word Count7000 words
Price(USD)210.0
Implemented on2016-12-1
Deliveryvia email in 1 business day
Detail of DL/T 905-2016
Standard No.
DL/T 905-2016
English Name
Code of repair welding for blade of steam turbine and runner of hydroturbine
Chinese Name
汽轮机叶片、水轮机转轮焊接修复技术规程
Chinese Classification
Professional Classification
DL
ICS Classification
Issued by
National Energy Administration
Issued on
2016-08-16
Implemented on
2016-12-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
DL/T 905-2004 Technical guide for repair welding of turbine blades
Language
English
File Format
PDF
Word Count
7000 words
Price(USD)
210.0
Keywords
DL/T 905-2016, DL 905-2016, DLT 905-2016, DL/T905-2016, DL/T 905, DL/T905, DL905-2016, DL 905, DL905, DLT905-2016, DLT 905, DLT905
Introduction of DL/T 905-2016
Code of repair welding for blade of steam turbine and runner of hydroturbine 1 Scope This standard specifies the technical conditions and inspection requirements for repair welding for blades of steam turbine and runners of hydroturbine. This standard is applicable to the repair welding of steam turbine blades, blade shrouds and lacing wires in fossil-fuel power plants, and the repair welding of hydroturbine runners in hydropower plants. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3323 Radiographic examination of fusion welded joints in metallic materials GB/T 11345 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels, and assessment GB/T 29712 Non-destructive testing of welds—Ultrasonic testing—Acceptance levels DL/T 438 The technical supervision codes for metal in fossil-fuel power plant DL/T 675 Examination codes for qualification of non-destructive testing personal of electric power industry DL/T 679 Code for welder technical qualification DL/T 819 The code of the welding heat treatment for power plant DL/T 868 Qualification standard for welding procedures DL/T 869 The code of welding for power plant DL/T 1318 Technical supervision code for hydroelectric power plant metals JB/T 3223 Welding consumables quality management procedures NB/T 47013.4 Nondestructive testing of pressure equipment—Part 4: Magnetic particle testing NB/T 47013.5 Nondestructive testing of pressure equipment—Part 5: Penetrant testing SJ/T 10743 Ceriated tungsten electrodes for inert gas arc welding and plasma welding and cutting 3 General rules 3.1 Welding personnel 3.1.1 General requirements Welding personnel include welding technicians, welders, welding heat treatment personnel and inspectors. All types of personnel shall meet the provisions of this standard in addition to the relevant requirements of DL/T 869. 3.1.2 Welding technicians 3.1.2.1 Welding technicians shall be technicians from the welding major or similar majors with the title of engineer or above, and shall be in charge of the welding process test and the repair welding for blade of steam turbine and runner of hydroturbine. 3.1.2.2 Welding technicians shall know the operating conditions of the parts to be repaired and the causes of defects, master the welding performance of the materials of the parts to be repaired, and be acquainted with and conscientiously implement this standard. 3.1.2.3 Welding technicians are responsible for determining the inspection position, recording, checking and sorting out the welding data and compiling the technical summary.
Contents of DL/T 905-2016
Foreword i 1 Scope 2 Normative references 3 General rules 3.1 Welding personnel 3.2 Welding process test 3.3 Welding materials and management 3.4 Equipment for repair welding 3.5 Safety requirements and environment conditions 4 Preparation before repair welding 4.1 Confirmation of material and determination of defect location 4.2 Removal of defects 4.3 Groove and fitting 5 Repair welding process 5.1 Repair welding process for steam turbine blade 5.2 Repair process for hydroturbine runner 6 Quality inspection 6.1 Inspection contents 6.2 Appearance inspection 6.3 Non-destructive testing 6.4 Hardness and metallographic inspection 6.5 Others 7 Weld repair 8 Technical documents
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