This code specifies the requirements for the welding heat treatment of weldments during the manufacturing, installation and maintenance processes of the steel pressure pipes and parts (including pressure parts and non-pressure parts) in the power plant.
This code is applicable to preheat, postheat and postweld heat treatment for weldments by heating methods.
Foreword III
1 Scope 1
2 Normative References 1
3 Technical Terms 1
4 General Provisions 2
4.1 Personnel 2
4.2 Safety Requirement 2
5 Heating methods and Equipments for Welding Heat Treatment 3
5.1 Heating Methods 3
5.2 Heating Equipments 3
6 Welding Heat Treatment Process 4
6.1 Evaluation 4
6.2 Preheat 4
6.3 Postheat 4
6.4 Postweld Heat Treatment 4
7 Measures for Welding Heat Treatment Process 5
7.1 Temperature Measurement 5
7.2 Heated Perimeter and Installation of Heating Equipments 6
7.3 Temperature Difference Control and Thermal Insulation 7
7.4 Measures for Flame Heating Process 7
8 Quality Inspection and Technical Document 7
8.1 Quality Inspection 7
8.2 Technical Document 8
Annex A 9
Annex B 11
Annex C 12
Annex D 13
Standard
DL/T 819-2002 The Code of the Welding Heat Treatment for Power Plant (English Version)
Standard No.
DL/T 819-2002
Status
superseded
Language
English
File Format
PDF
Word Count
5500 words
Price(USD)
130.0
Implemented on
2002-9-1
Delivery
via email in 1 business day
Detail of DL/T 819-2002
Standard No.
DL/T 819-2002
English Name
The Code of the Welding Heat Treatment for Power Plant
This code specifies the requirements for the welding heat treatment of weldments during the manufacturing, installation and maintenance processes of the steel pressure pipes and parts (including pressure parts and non-pressure parts) in the power plant.
This code is applicable to preheat, postheat and postweld heat treatment for weldments by heating methods.
Contents of DL/T 819-2002
Foreword III
1 Scope 1
2 Normative References 1
3 Technical Terms 1
4 General Provisions 2
4.1 Personnel 2
4.2 Safety Requirement 2
5 Heating methods and Equipments for Welding Heat Treatment 3
5.1 Heating Methods 3
5.2 Heating Equipments 3
6 Welding Heat Treatment Process 4
6.1 Evaluation 4
6.2 Preheat 4
6.3 Postheat 4
6.4 Postweld Heat Treatment 4
7 Measures for Welding Heat Treatment Process 5
7.1 Temperature Measurement 5
7.2 Heated Perimeter and Installation of Heating Equipments 6
7.3 Temperature Difference Control and Thermal Insulation 7
7.4 Measures for Flame Heating Process 7
8 Quality Inspection and Technical Document 7
8.1 Quality Inspection 7
8.2 Technical Document 8
Annex A 9
Annex B 11
Annex C 12
Annex D 13
