GB/T 46598-2025 Steel plate,sheet and strip for gaseous hydrogen transportation and storage pipeline

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 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 247-1997 General rule of acceptance, package, mark and certification for steel plates(sheets) and strips GB/T 247-2008 General rule of package,mark and certification for steel plates(sheets)and strips GB/T 247-2025 General rules of package, mark and certification for steel plate, sheet and strip GB/T 709-1988 Dimensions, shape, weight and tolerances for hot-rolled plates and sheets GB/T 709-2006 Dimension,shape,weight and tolerances for hot-rolled steel plates and sheets GB/T 709-2019 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet GB/T 2970-1991 Thicker steel plate—Method for ultrasonic inspection GB/T 2970-2004 Thicker steel plates—Method for ultrasonic inspection GB/T 2970-2016 Method for ultrasonic testing of thicker steel plates GB/T 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing GB/T 3075-1982 Method of axial force controlled fatigue testing of metals GB/T 3075-2008 Metallic materials—Fatigue testing—Axial-force-controlled method GB/T 3075-2021 Metallic materials—Fatigue testing—Axial force-controlled method GB/T 3634.1-2006 Hydrogen—Part 1:Industrial hydrogen GB/T 3634.1-2025 Hydrogen—Part 1:Industrial hydrogen GB/T 3634.2-2011 Hydrogen—Part 2:Pure hydrogen,high pure hydrogen and ultrapure hydrogen GB/T 3634.2-2025 Hydrogen—Part 2:Pure hydrogen,high purity hydrogen and ultra purity hydrogen 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 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 6394-2002 Metal-methods for estimating the average grain size GB/T 6394-2017 Determination of estimating the average grain size of metal GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8363-1987 Metallic materials—Drop-weight tear tests of ferritic steels GB/T 8363-2007 Test method for drop-weight tear tests of steel products GB/T 8363-2018 Steel—Drop-weight tear tests method GB/T 10561-2023 Determination of content of nonmetallic inclusions in steel—Micrographic method using standard diagrams GB/T 17505-1998 Steel and steel products General technical delivery requirements GB/T 17505-2016 Steel and steel products—General technical delivery requirements GB/T 19624-2004 Safety assessment for in-service pressure vessels containing defects GB/T 19624-2019 Safety assessment of in-service pressure vessels containing defects GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method) GB/T 20125-2006 Low-alloy steel—Determination of multi-element contents—Inductively coupled plasma atomic emission spectrometric method GB/T 21143-2007 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 21143-2014 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 21143-2025 Metallic materials—Unified method of test for determination of quasistatic fracture toughness GB/T 34474.1-2017 Determination of banded structure of steel—Part 1:Micrographic method using standards diagrams GB/T 34542.2-2018 Storage and transportation systems for gaseous hydrogen—Part 2:Test methods for evaluating metallic material compatibility in hydrogen atmosphere GB/T 42662-2023 Non-destructive testing of steel tubes—Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes