DL/T 753-2015 (English Version) PDF

Scope: This standard specifies the technical conditions for repair welding of steam turbine steel castings in thermal power plants. This standard applies to the repair welding of steel castings and forgings such as steam turbine cylinders, main steam valves, regulating valves, tees and partitions, and also applies to the repair welding of other steel castings in power stations.

DL/T 753-2015 Referenced Document

DL/T 438 Technical Supervision Regulations for Metals in Thermal Power Plants*， 2023-10-11 Update
DL/T 675 Examination codes for qualification of non-destructive testing personnel of electric power industry
DL/T 679 Code for welder technical qualification
DL/T 819 Technical specification for welding heat treatment in thermal power plants*， 2019-10-01 Update
DL/T 868 Qualification standard for welding procedures
DL/T 869 Welding Technical Regulations for Thermal Power Plants
DL/T 884 Technical Guidelines for Metallographic Inspection and Evaluation of Thermal Power Plants*， 2019-10-01 Update
DL/T 931 Examination procedures for physical and chemical inspectors in the electric power industry*， 2017-03-28 Update
GB/T 7233.2 Steel castings—Ultrasonic testing—Part 2:Steel castings for highly stressed components*， 2023-05-23 Update
GB/T 9443 Steel and iron castings—Liquid penetrant inspection*， 2019-08-30 Update
GB/T 9444 Steel and iron castings—Magnetic particle inspection*， 2019-08-30 Update
JB/T 3223 Rules of quality management of welding materials*， 2017-11-07 Update
JB/T 4730.4 Nondestructive testing of pressure equipments
JB/T 4730.5 Nondestructive testing of pressure equipments

2015 DL/T 753-2015 Technical guide for repair welding of cast steel parts in steam turbine
2001 DL/T 753-2001 Technical guide for repair welding of cast steel parts in steam turbine