GB/T 2650-1989
Replaced
DB53/T 552-2014
Active
Yunnan ProvinceLocal standards
DB53/T 552-2014 DB53/T 552-2014 Welding Operators Training Institution Level Evaluation for Special Equipment。
DB53/T 552-2014 DB53/T 552-2014 Welding Operators Training Institution Level Evaluation for Special Equipment。
Basic Information
Standard Code:
DB53/T 552-2014
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electricity
ICS Name:
\nWelding, brazing, and low-temperature welding
Publish Date:
2014-01-15
Implement Date:
2014-03-15
Scope
This standard specifies the terms and definitions for the grading of special equipment welding operator training institutions, the grading and requirements of training institutions, the conditions for training institutions, the conditions and requirements for evaluation institutions, grade evaluation, certificate issuance, and management. This standard applies to the evaluation of the grades of special equipment welding operator training institutions (except for electroslag welding).
Development Information
Related Standards
GB/T 12469-1990
Abolished
GB/T 12469-1990 Quality assurance of welding—Requirement for fusion welding joint of steel and classification for imperfection
GB/T 3375-1994
Active
GB/T 3375-1994 Welding terminology
GB/T 15491-1995
Replaced
GB/T 15491-1995 Performance requirements of electricity and methods of measurement for duplexers used in the mobile services
DB14/T 2973-2024
Active
DB14/T 2973-2024 Surface-mount welding requirements
DB42/T 1307-2017
Active