GB/T 26653-2026 Exhaust manifold castings

GB/T 26653-2011 Exhaust manifold iron castings

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 223.5-1997 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 223.11-2025 Iron, steel and alloy—Determination of chromium content—Titrimetric method and spectrophotometric method GB/T 223.12-1991 Methods for chemical analysis of iron, steel and alloy—The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium 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 223.25-1994 Methods for chemical analysis of iron, steel and alloy The dimethylglyoxime gravimetric method for the determination of nickel content 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 223.38-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-gravimetric method for the determination of niobium content GB/T 223.40-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content GB/T 223.40-2007 Iron,steel and alloy—Determination of niobium content by the sulphochlorophenol S spectrophotometric method GB/T 223.58-1987 Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content 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 223.64-1988 Methods for chemical analysis of iron,steel and alloy—The flame atomic absorption spectrometric method forthe determination of manganese content GB/T 223.64-2008 Iron,steel and alloy—Determination of manganese content—Flame atomic absorption spectrometric 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 223.71-1997 Methods for chemical analysis of iron,steel and alloy—The gravimetric method after combustion in the pipe furnace for the determination of carbon content 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 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 3821-1983 Determination of cleanliness for small and medium power internal combustion engines GB/T 3821-2005 Small and medium power internal combustion engines—Cleanliness measurement GB/T 3821-2015 Small and medium power internal combustion engines—Cleanliness limits and measurements GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology 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 7216-1987 Gray cast iron metallography GB/T 7216-2009 Metallographic test for gray cast iron GB/T 7216-2023 Metallographic test for grey cast iron GB/T 9441-1988 Metallographic test for spheroidal graphite cast iron GB/T 9441-2009 Metallographic test for spheroidal graphite cast iron GB/T 9441-2021 Metallographic test method for spheroidal graphite cast iron 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 11170-1989 Method for photoelectric emission spectroscopic analysis of stainless steel GB/T 11170-2008 Stainless steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method(Routine method) GB/T 11351-2017 Mass tolerances of casting GB/T 14203-1993 General rule for photoelectric emission spectroscopic analysis of iron, steel and alloy GB/T 14203-2016 General rules for spark discharge atomic emission spectrometry 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 24234-2009 Cast iron—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (Routine method) GB/T 26656-2011 Metallographic test for compacted(vermicular) graphite cast irons GB/T 26656-2023 Metallographic test for compacted(vermicular)graphite cast irons GB/T 34904-2017 Spheroidal graphite iron castings—Ultrasonic testing GB/T 42124.3-2025 Geometrical product specifications(GPS)—Dimensional and geometrical tolerances for moulded parts—Part 3:General dimensional and geometrical tolerances and machining allowances for castings