GB/T 47194-2026 Micro and mini channel heat exchangers

GB/T 15620-2025 Solid wire electrodes,solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys GB/T 16598-1996 Titanium and titanium alloy disc and ring GB/T 16598-2013 Titanium and titanium alloy disc and ring GB/T 16672-1996 Welds—Working positions—Definitions of angles of slope and rotation GB/T 16913-2008 Methods of dust character test GB/T 16913.1-1997 Methods of dust character test—Part 1:Dust sampling GB/T 16913.2-1997 Methods of dust character test—Part 2:Determination of effective density—Pyknometer method GB/T 16913.3-1997 Methods of dust character test—Part 3:Determination of bulk density—Natural bulk method GB/T 16913.4-1997 Methods of dust character test—Part 4:Determination of dispersivity—Andreason pipette method GB/T 16913.5-1997 Methods of dust character test—Part 5:Determination of reposeful angle—Poured angle of restrictive pile GB/T 16913.6-1997 Methods of dust character test—Part 6:Determination of hygroscopy—Hygroscopicity method GB/T 16913.7-1997 Methods of dust character test—Part 7:Determination of moisture content—Dry method GB/T 16913.8-1997 Methods of dust character test—Part 8:Determination of immersion—Immersion speed method GB/T 16913.9-1997 Methods of dust character test—Part 9:Determination of cohesion—Normal pull rift method GB/T 16913.10-1997 Methods of dust character test—Part 10:Determination of electrical resistivity—Disk method GB/T 16913.11-1997 Methods of dust character test—Part 11:Determination of field resistivity—Concentric rings method by means of filtration GB/T 19077-2016 Particle size analysis—Laser diffraction methods GB/T 19077-2024 Particle size analysis—Laser diffraction methods GB/T 19077.1-2003 Particle size analysis—Laser diffraction method GB/T 19077.1-2008 Particle size analysis—Laser diffraction methods—Part 1:General principles GB/T 19587-2004 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method GB/T 21832.1-2018 Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger GB/T 21833.1-2020 Seamless austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger GB/T 25137-2010 Titanium and titanium alloy forgings GB/T 26723-2011 Cold rolled titanium strip coil GB/T 26723-2025 Cold rolled titanium strip coil GB/T 26955-2011 Destructive tests on welds in metallic materials—Macroscopic and microscopic examination of welds GB/T 38973-2020 Titanium and titanium alloy bars for additive manufactural powder GB/T 39247-2020 Additive manufacturing—Specification for heat treatment process of metal parts GB/T 39251-2020 Additive manufacturing—Methods to characterize performance of metal powders GB/T 39255-2020 Gases and gas mixtures for welding and cutting processes GB/T 41882-2022 Copper and copper alloy powders for additive manufacturing GB/T 43484-2023 Additive manufacturing—Superalloy powder used for laser powder bed fusion GB/T 43895-2024 Additive manufacturing—Material—Mould steel powders GB/T 44194-2024 Additive manufacturing—Technical specification for reuse of metal powder GB/T 44239-2024 Aluminum alloy powder for additive manufacturing HG/T 20592 HG/T 20615 JB/T 4756-2006 Nickel and nickel alloy pressure vessels NB/T 11270-2023 Titanium Pressure Vessel NB/T 47006-2019 NB/T 47006-2019 Aluminum Blade-and-Groove Heat Exchanger NB/T 47010-2017 Stainless steel and heat-resistant steel forgings used in pressure equipment NB/T 47010-2010 Stainless and heat-resisting steel forgings for pressure equipments NB/T 47013.1-2015 Non-destructive testing of pressure equipment - Part 1: General requirements NB/T 47013.2-2015 Non-destructive testing of pressure equipment - Part 2: Radiographic testing NB/T 47013.3-2023 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.3-2015 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.4-2015 "Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing" NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing NB/T 47013.7-2012 Nondestructive testing of pressure equipments-Part 7:Visual examination NB/T 47013.8-2012 Nondestructive testing of pressure equipments-Part 8:Leak Testing NB/T 47013.8-2025 Non-destructive testing of pressure equipment - Part 8: Leakage testing NB/T 47013.10-2015 Non-destructive testing of pressure equipment - Part 10: Ultrasonic testing using time-of-flight diffraction method NB/T 47013.10-2010 Nondestructive testing of pressure equipments-Part 10:Ultrasonic time of flight diffraction technique NB/T 47013.11-2023 Non-destructive testing of pressure equipment - Part 11: Digital imaging detection using X-ray technology NB/T 47013.11-2015 Non-destructive testing of pressure equipment - Part 11: X-ray digital imaging testing NB/T 47013.14-2023 Non-destructive testing of pressure equipment - Part 14: X-ray computer-aided imaging inspection NB/T 47013.14-2016 Non-destructive testing of pressure equipment - Part 14: X-ray computer-aided imaging detection NB/T 47013.15-2021 NB/T 47013.15-2021 Nondestructive testing for pressure equipment - Part 15: Phased array ultrasonic testing NB/T 47014-2023 Pressure equipment welding process qualification NB/T 47015-2023 Stress vessel welding procedure NB/T 47016-2023 The mechanical properties of welded specimens for pressure equipment products are tested NB/T 47018.1-2017 Welding Material for Pressure Equipment Ordering Technical Specification Part 1: Purchase General Rules NB/T 47018.1-2011 Technical permission of welding materials for pressure equipment Section 1:General rule NB/T 47018.2-2017 The technical requirements for ordering welding materials for pressure equipment Part 2: Steel welding rods NB/T 47018.2-2011 Technical permission of welding materials for pressure equipment Section 2:Electrodes for steel NB/T 47018.3-2017 Specifications for Welding Materials for Pressure Equipment - Part 3: Gas-protected Electric Arc Welding Wire and Filler Wire NB/T 47018.3-2011 Technical permission of welding materials for pressure equipment Section 3:Steel electrodes and rods for gas shielded arc welding NB/T 47018.4-2017 Specification for Welding Materials for Pressure Equipment Part 4: Filler Steel Welding Wire and Welding Solder for Submerged-Arc Welding NB/T 47018.4-2011 Technical permission of welding materials for pressure equipment Section 4:Electrodes and fluxes for submerged arc welding NB/T 47018.5-2017 "Specifications for welding materials used in pressure equipment - Part 5: Stainless steel welding strips and welding fluxes for overlay welding" NB/T 47018.5-2011 Technical permission of welding materials for pressure equipment Section 5:Stainless steel strip electrodes and fluxes for overlay welding NB/T 47018.6-2011 Technical permission of welding materials for pressure equipment Section 6:Bare aluminum and aluminum-alloy welding electrodes and rods NB/T 47018.7-2011 Technical permission of welding materials for pressure equipment Section 7:Titanium and titanium-alloy welding electrodes and rods NB/T 47028-2023 Nickel and nickel alloy forged parts used in pressure vessels NB/T 47046-2015 Nickel and nickel alloy plates used in pressure equipment NB/T 47047-2015 Nickel and nickel alloy seamless tube for pressure equipment YB/T 6122-2023 Corrosion-resistant alloy large-diameter seamless tube