GB/T 7636-1987
Abolished
DL/T 820-2002
Active
Industry standards-Electricity
DL/T 820-2002 The code of ultrasonic inspection section for butt welds of pipes
DL/T 820-2002 The code of ultrasonic inspection section for butt welds of pipes
Basic Information
Standard Code:
DL/T 820-2002
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Processing technology
ICS Name:
\nGas supply system
Publish Date:
2002-04-27
Implement Date:
2002-09-01
Pages:
32 pages
Development Information
Replace the following standards
DL/T 5048-1995
Superseded by the following standards
DL/T 820.2-2019
Referenced Standards
JB/T 10061
JB/T 10062-1999 Testing methods for performance of probes used in ultrasonic flaw detection
JB/T 10063-1999 Specification for NO.1 standard test block used in ultrasonic flaw detection
JB/T 9214-2010 The performance testing method for type A pulse reflection ultrasonic testing system in non-destructive testing
JB/T 9214-1999 A type pulse reflection ultrasonic flaw detection system performance testing method
DL/T 675-2014 Rules for Qualification Examination of Non-destructive Testing Personnel in the Power Industry
DL/T 675-1999 Nonsubjective examination rules for qualifications of personnel in the power industry for testing
GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds
GB/T 12604.1-2005 Non-destructive testing—Terminology—Terms used in ultrasonic testing
GB/T 12604.1-2020 Non-destructive testing—Terminology—Ultrasonic testing
DL 5007-1992
DL 5009.1-2002 Code of safety operation in power engineering construction Part 1:Steam power plants
DL 5009.1-2014 Code of safety operation in power engineering construction Part 1: Steam power
Related Standards
GB/T 7637-1987
Abolished
GB/T 7637-1987 Operation rules of construction and installation of biogas pipelines for peasant household
GB 15558.1-1995
Replaced
GB 15558.1-1995 Buried polyethylene (PE) pipes for the supply of gaseous fuels
GB 15558.2-1995
Replaced
GB 15558.2-1995 Buried polyethylene (PE) fittings for the supply of gaseous fuels
GB 16802-1997
Replaced
GB 16802-1997 Town gas pressure regulators
GB 17264-1998
Replaced