GB/T 32238-2015 General steel castings suitable for low temperature and high pressure service

GB/T 222-1984 Method of sampling steel for determination of chemical composition and permissible variations for product analysis GB/T 222-2006 Permissible tolerances for chemical composition of steel products GB/T 223.4-1988 Methods for chemical analysis of iron, steel and alloy The volumetric method for determination of manganese content by ammonium nitrate oxidation GB/T 223.4-2008 Alloyed steel—Determination of manganese content—Potentiometric or visual titration method GB/T 223.5-1997 Methods for chemical analysis of iron,steel and alloy—The reduced molybdosilicate spectro photometric method for the determination of acid-soluble silicon content GB/T 223.5-2008 Steel and iron—Determination of acid-soluble silicon and total silicon content—Reduced molybdosilicate spectrophotometric method GB/T 223.11-1991 Methods for chemical analysis of iron, steel and alloy The ammonium persulfate oxidation volumetric method for the determination of chromium content GB/T 223.11-2008 Iron,steel and alloy—Determination of chromium content—Visual titration or potentiometric titration method GB/T 223.14-2000 Methods for chemical analysis of iron,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content GB/T 223.23-1994 Methods for chemical analysis of iron, steel and alloy—The dimethylglyoxime spectrophotometric method for the determination of nickel content GB/T 223.23-2008 Iron,steel and alloy—Determination of nickel content—The dimethylglyoxime spectrophotometric method GB/T 223.26-1989 Methods for chemical analysis of iron, steel and alloy The thiocyanate direct photometric method for the determination of molybdenum content GB/T 223.26-2008 Iron,steel and alloy—Determination of molybdenum content—The thiocyanate spectrophotometric method GB/T 223.43-1994 Methods for chemical analysis of iron, steel and alloy—Determination of tungsten content GB/T 223.43-2008 Iron,steel and alloy—Determination of tungsten content—Gravimetric method and spectrophotometric method GB/T 223.59-2008 Iron,steel and alloy—Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method GB/T 223.67-1989 Methods for chemical analysis of iron, steel and alloy—The reducing distillation-methylene blue photometric method for the determination of sulfur content GB/T 223.67-2008 Iron,steel and alloy—Determination of sulfur content—Methylene blue spectrophotometric method GB/T 223.69-1997 Methods for chemical analysis of iron,steel and alloy The gas- volumetric method after combustion in the pipe furnace for the determination of carbon content GB/T 223.69-2008 Iron,steel and alloy—Determination of carbon contents—Gas-volumetric method after combustion in the pipe furnace 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 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 5677-1985 Methods of radiographic testing and classification of radiographs for steel castings GB/T 5677-2007 Radiographic testing for steel castings GB/T 5677-2018 Castings—Radiographic testing GB/T 6060.1-1997 Roughness comparison specimens—Cast surfaces GB/T 6060.1-2018 Surface roughness comparison specimen—Part 1:Casting surface GB/T 6414-1999 Castings—System of dimensional tolerances and machining allowances GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances GB/T 7233.2-2010 Steel castings—Ultrasonic examination—Part 2:Steel castings for highly stressed components GB/T 7233.2-2023 Steel castings—Ultrasonic testing—Part 2:Steel castings for highly stressed components 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 9443-1988 Methods of liquid penetrant testing and classification of indication for steel castings GB/T 9443-2007 Penetrant testing for steel castings GB/T 9443-2019 Steel and iron castings—Liquid penetrant inspection GB/T 9444-1988 The methods for magnetic particle testing and for specifying quality levels of steel castings GB/T 9444-2007 Magnetic particle testing for steel castings GB/T 9444-2019 Steel and iron castings—Magnetic particle inspection GB/T 15056-1994 Evaluation method on cast surface roughness GB/T 15056-2017 Casting surface roughness—Appraising method GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition GB/T 222-2025 Steels and alloys—Permissible deviations of product analyzed chemical composition GB/T 223.11-2025 Iron, steel and alloy—Determination of chromium content—Titrimetric method and spectrophotometric method