GB/T 17258-2011 Steel cylinders for the on-board storage of compressed natural gas as a fuel for automotive vehicles

GB 17258-1998 Steel cylinders for the on—board of compressed natural gas as a fuel for vehicles

GB/T 17258-2022 Steel cylinders for the on-board storage of compressed natural gas as a fuel for automotive vehicles

GB/T 223.78-2000 Methods for chemical analysis of iron,steel and alloy—Curcumin spectrophotometric method for the determination of boron content GB/T 223.79-2007 Iron and steel—Determination of multi-element contents—X-ray fluorescence spectrometry(Routine method) GB/T 223.80-2007 Iron,steel and alloy—Determination of trace bismuth and arsenic contents—Hydride generation-atomic fluorescence spectrometric method GB/T 223.81-2007 Iron,steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric method GB/T 223.82-2007 Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity method GB/T 223.82-2018 Steel and iron—Determination of hydrogen content—Thermal conductivity/infrared method after fusion under inert gas GB/T 223.83-2009 Steel and iron—Determination of high sulfur content—Infrared absorption method after combustion in an induction furnace GB/T 223.84-2009 Steel and iron—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 223.85-2009 Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnace GB/T 223.86-2009 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace GB/T 223.87-2018 Iron, steel and alloy—Determination of calcium and magnesium—Inductively coupled plasma mass spectrometric method GB/T 223.88-2019 Iron,steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method GB/T 223.89-2019 Iron,steel and alloy—Determination of tellurium content—Hydride generation-atomic fluorescence spectrometric method GB/T 223.90-2021 Iron,steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectrometric method GB/T 223.91-2021 Iron,steel and alloy—Determination of copper—2,2′-Biquinoline spectrophotometric method GB/T 223.92-2023 Iron, steel and alloy—Determination of lanthanum, cerium, praseodymium, neodymium and samarium content—Inductively coupled plasma mass spectrometry GB/T 224-1987 Determination of depth of decarburization of steel GB/T 224-2008 Determination of depth of decarburization of steels GB/T 224-2019 Determination of the depth of decarburization of steels GB/T 226-1991 Etch test for macrostructure and defect of steels GB/T 226-2015 Test method for macrostructure and defect of steel by etching GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 232-1999 Metallic materials—Bend test GB/T 232-2010 Metallic materials—Bend test GB/T 232-2024 Metallic materials—Bend testing method GB/T 1979-2001 Standard diagrams for macrostructure and defect of structural steels GB/T 1979-2025 Evaluation of macrostructural defects in structural steels—Acid etching method and ultrasonic testing method GB/T 4157-2006 Laboratory testing of metals for resistance to specific forms of environmental cracking in H2S environments GB/T 4336-2002 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel(routine method) GB/T 4336-2016 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) 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 7144-1999 Colored cylinder mark for gases GB/T 7144-2016 Coloured cylinder mark for gases GB 8335-1998 Special threads for gas cylinders GB/T 8335-2011 Special threads for gas cylinders GB/T 8336-1998 Special thread gauges for gas cylinders GB/T 8336-2011 Special thread gauges for gas cylinders GB/T 9251-1997 Method for hydraulic test of gas cylinders GB/T 9251-2011 Methods for hydrostatic test of gas cylinders GB/T 9251-2022 Methods for hydrostatic test of gas cylinders GB/T 9252-2001 Method for cycling test of gas cylinders GB/T 9252-2017 Method for pressure cycling test of gas cylinders GB/T 12137-2002 Method for leakage test of gas cylinders GB/T 12137-2015 Methods for leakage test of gas cylinders GB/T 12137-2025 Methods for leakage test of gas cylinders GB/T 12606-1999 Steel tubes—The testing method of magnetic flux leakage GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded(except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections GB/T 13005-1991 Terminology of gas cylinders GB/T 13005-2011 Terminology of gas cylinders GB/T 13298-1991 Metal—Inspection method of microstructure GB/T 13298-2015 Inspection methods of microstructure for metals GB/T 13320-1991 Metallographic grading atlas and assessing method for steel die forgings GB/T 13320-2007 Metellographic grading atlas and assessing method for steel die forgings GB/T 13320-2025 Metellographic grading atlas and assessing method for steel die forgings GB 13447-1992 Steel blank for seamless gas cylinder GB/T 13447-2008 Steel blank for seamless gas cylinder GB 15385-1994 Method for hydraulic burst test of gas cylinders GB/T 15385-2011 Method for hydraulic burst test of gas cylinder GB/T 15385-2022 Method for hydraulic burst test of gas cylinder GB 18047-2000 Compressed natural gas as vehicle fuel GB 18047-2017 Compressed natural gas as vehicle fuel GB 18248-2000 Seamless steel tubes for gas cylinder GB/T 18248-2008 Seamless steel tubes for gas cylinder GB/T 18248-2021 Seamless steel tubes for gas cylinder GB/T 23907-2009 Non-destructive testing—Shims for magnetic particle testing

ISO 11439:2000