NB/T 47007-2010 Air-cooled heat exchangers

NB/T 47007-2018 Air-cooled heat exchanger

GB 13296-1991 Seamless stainless steel tubes for boiler and heat exchanger GB 13296-2007 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2013 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2023 Seamless stainless steel tubes for boiler and heat exchanger GB 150-1998 Steel pressure vessels GB 151-1999 Tubular heat exchangers GB 50009-2012 Load code for the design of building structures GB 50011-2010 Code for seismic design of buildings GB 50017-2017 Code for design of steel structures GB 50018-2002 Technical code of cold-formed thin-wall steel structures GB 50205-2001 Code for acceptance of construction quality of steel structures GB 50205-2020 Standard for acceptance of construction quality of steel structures GB 6479-2000 Seamless steel tubes for high-pressure for chemical fertilizer equipments GB/T 6479-2013 Seamless steel tubes for high-pressure chemical fertilizer equipments GB 9948-1988 Seamless steel tubes for petroleum cracking GB 9948-2006 Seamless steel tubes for petroleum cracking GB/T 9948-2013 Seamless steel tubes for petroleum cracking GB/T 9948-2025 Seamless steel tubes and pipes for petrochemical and chemical facilities GB/T 10412-2002 Grooved pulleys for classical and narrow V-belts (system based on datum width) GB/T 10412-2025 Belt drives—Grooved pulleys for classical and narrow V-belts(system based on datum width) GB/T 10413-2002 Grooved pulleys for Narrow V-belts(system based on effective width) GB/T 10413-2025 Belt drives—Grooved pulleys for narrow V-belts(system based on effective width) GB/T 10715-2002 Belt drives—V-ribbed belts, joined V-belts and V-belts including wide section belts and hexagonal belts—Electrical conductivity of antistatic belts:Characteristics and methods of test GB/T 10715-2021 Belt drives—V-ribbed belts,joined V-belts and V-belts including wide section belts and hexagonal belts—Electrical conductivity of antistatic belts:Characteristics and methods of test GB/T 1171-1996 Classical V-belts for general use GB/T 1171-2006 Classical V-belt for general drive GB/T 1171-2017 Classical V-belt for general drive GB/T 1231-1991 Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures GB/T 1231-2006 Specifications of high strength bolts with large hexagon head,large hexagon nuts,plain washers for steel structures GB/T 1231-2024 High strength bolts with large hexagon head assemblies for steel structures GB/T 12771-2000 Welded stainless steel pipes for liquid delivery GB/T 12771-2008 Welded stainless steel pipes for liquid delivery GB/T 12771-2019 Welded stainless steel pipes for fluid transport GB/T 13274-1991 Technical specification for general purposes axial fans GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13487-2002 Synchronous belts for general drive GB/T 13487-2017 Synchronous belts for general drive GB/T 13487-2025 Synchronous belt drives—Synchronous belts for general drive 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 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport GB/T 14976-2025 Seamless stainless steel pipes for fluid transport GB/T 1566-2003 Square and Rectangular thin keyways GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 230.1-2004 Metallic Rockwell hardness test—Part1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2009 Metallic materials—Rockwell hardness test—Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T) GB/T 230.1-2018 Metallic materials—Rockwell hardness test—Part 1:Test method GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels GB/T 3190-2008 Wrought aluminium and aluminium alloy——Chemical composition GB/T 3767-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering method in an essentially free field over a reflecting plane GB/T 3767-2016 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane GB/T 3880.1-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2023 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 4437.1-2000 Aluminium and aluminium alloy extruded tubes—Part 1:Seamless tubes GB/T 4437.1-2015 Aluminium and aluminium alloy extruded tubes—Part 1:Seamless tubes GB/T 4437.1-2023 Aluminium and aluminium alloys extruded tubes—Part 1:Seamless tubes GB/T 4662-1993 Rolling bearings—Static load ratings GB/T 4662-2003 Rolling bearings—Static load ratings GB/T 4662-2012 Rolling bearings—Static load ratings GB/T 4662-2025 Rolling bearings—Static load ratings GB/T 5777-1996 Seamless steel pipe and tubing—Methods for ultrasonic testing GB/T 5777-2008 Seamless steel pipe and tubing methods for ultrasonic testing GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded(except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections GB/T 6391-1995 Rolling bearings—Dynamic load ratings and rating life GB/T 6391-2003 Rolling bearings—Dynamic load ratings and rating life GB/T 6391-2010 Rolling bearings—Dynamic load ratings and rating life GB/T 6893-2000 Aluminium and aluminium alloy cold drawn (rolled) seamless tubes GB/T 6893-2010 Aluminium and aluminium alloys cold drawn(rolled) seamless tubes GB/T 6893-2022 Aluminium and aluminium alloys cold drawn (rolled) tubes GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 7735-1995 Steel tubes—The inspection method on eddy current test GB/T 7735-2004 Steel tubes-The inspection method on eddy current test GB/T 7735-2016 Automated eddy current testing of seamless and welded(except submerged arc-welded) steel tubes for detection of imperfections GB/T 8163-1999 Seamless steel tubes for liquid service GB/T 8163-2008 Seamless steel tubes for liquid service GB/T 8163-2018 Seamless steel pipes for liquid service GB/T 8733-2000 Aluminum alloy ingots for casting GB/T 8733-2007 Aluminum alloy ingots for casting GB/T 8733-2016 Aluminum alloy ingots for casting GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding GB/T 985.2-2008 Recommended joint preparation for submerged arc welding JB 4708 JB/T 4709-2000 JB/T 4711-2003 Coating and packing for pressure vessels transport JB/T 4730.1-2005 JB/T 4730.2-2005 JB/T 4730.3-2005 Nondestructive testing of pressure equipments—Part 3:Ultrasonic testing 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 JB/T 4730.6-2005 Nondestructive testing of pressure equipments—Part 6:Eddy current testing YB/T 050-1993 YNK Gear Reducer for Metallurgical Equipment YB/T 050-2021 Metallurgical equipment MHB gearbox 固定式压力容器安全技术监察规程 锅炉压力容器无损检测人员资格考核规则 锅炉压力容器压力管道焊工考试与管理规则

ISO 13706-2005