GB/T 14408-2014 Low alloy steel castings for general engineering and structural purposes

GB/T 14408-1993 Low alloy steel castings for general engineering and structural purposes

GB/T 14408-2024 Low alloy steel castings for general engineering and structural purposes

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 222-2025 Steels and alloys—Permissible deviations of product analyzed chemical composition GB/T 223.3-1988 Methods for chemical analysis of iron, steel and alloy—The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content 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 223.60-1997 Methods for chemical analysis of iron,steel and alloy—The perchloric acid dehydration gravimetric method for the determination of silicon content GB/T 223.60-2024 Iron,steel and alloy—Determination of silicon content—Gravimetric method GB/T 223.68-1997 Methods for chemical analysis of iron,steel and alloy The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content 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 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 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 4338-1995 Metallic materials—Tensile testing at elevated temperature GB/T 4338-2006 Metallic materials—Tensile testing at elevated temperature GB/T 5613-1995 Code for representing cast steels GB/T 5613-2014 Designation for cast steels 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 5678-1985 The method for sampling cast alloys for spectrochemical analysis GB/T 5678-2013 Sampling methods of spectrochemical analysis for cast alloys 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 7233.1-2009 Steel castings—Ultrasonic examination—Part 1:Steel castings for general purposes GB/T 7233.1-2023 Steel castings—Ultrasonic testing—Part 1:Steel castings for general purposes 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 11351-1989 Mass tolerances for castings GB/T 11351-2017 Mass tolerances of casting GB/T 16923-1997 Normalizing and annealing of steel parts GB/T 16923-2008 Normalizing and annealing of steel parts GB/T 16924-1997 Quenching and tempering of steel parts GB/T 16924-2008 Quenching and tempering of steel parts GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition