DL/T 1113-2009 The inspection code of pipe hangers and supports for power plants

DL/T 1113-2024 Acceptance regulations for piping supports and hangers in coal-fired power plants

DL/T 616-2023 Guidelines for maintenance and adjustment of steam and water piping and supports of thermal power plants DL/T 616-1997 Guidelines for maintenance and adjustment of steam and water piping and supports of thermal power plants DL/T 616-2006 Maintenance & adjusting guide for thermal power plant Steam-water piping and support-hangers 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 DL/T 678-2023 Electric power steel structure welding general technical specification DL/T 678-2013 Electric Power Steel Structure Welding General Technical Specification DL/T 678-1999 DL/T 678-1999 General technical specification for welding of steel structures in power plants DL/T 752-2023 "Rules for Welding Technology of Heterogeneous Steel in Thermal Power Plant" DL/T 752-2010 Welding Technical Specification for Blended Steel in Thermal Power Plant DL/T 752-2001 Code for welding technology of different types of steel in thermal power plants DL/T 819-2019 Welding Heat Treatment Procedures for Thermal Power Plants DL/T 819-2010 Welding Heat Treatment Technical Specification for Large Power Generating Plant DL/T 819-2002 Welding Heat Treatment Technical Specification for Thermal Power Plant DL/T 869-2004 Welding Procedures for Thermal Power Plants DL/T 931-2017 The Examination Regulations for Physical and Chemical Testers in the Power Industry DL/T 931-2005 Electricity industry physical and chemical inspection personnel qualification examination rules GB/T 12361-2003 General specification of Steel die forgings GB/T 1239.2-2009 Cold coiled helical springs technical specifications—Part 2:Compressions spring GB/T 1239.4 GB/T 13912-2002 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 13912-2020 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 2516-2003 General purpose metric screw threads—Limit deviations GB/T 2516-2023 General purpose metric screw threads—Limit deviations GB/T 5267.1-2002 Fasteners—Electroplated coatings GB/T 5267.1-2023 Fasteners—Electroplate coating GB/T 9799-1997 Metallic coatings—Electroplated coatings of zinc on iron or steel GB/T 9799-2011 Metallic and other inorganic coatings—Electroplated coatings of zinc with supplementary treatments on iron or steel GB/T 9799-2024 Metallic and other inorganic coatings—Electroplated coatings of zinc with supplementary treatments on iron or steel JB/T 4730.4-2005 Nondestructive testing of pressure equipments—Part 4:Magnetic particle testing JB/T 4730.5-2005 Nondestructive testing of pressure equipments—Part 5:Penetrant testing