GB/T 41608-2022 Precision stainless steel foil

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 223.3-1988 Methods for chemical analysis of iron, steel and alloy—The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.5-1997 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 223.8-2000 Methods for chemical analysis of iron,steel and alloy The sodium fluoride separation—EDTA titration method for the determination of aluminium content 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 223.17-1989 Methods for chemical analysis of iron, steel and alloy The diantipyrylmethane photometric method for the determination of titanium content GB/T 223.18-1994 Methods for chemical analysis of iron, steel and alloy The sodium thiosulfate separation iodimetric method for the determination of cupper 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 223.28-1989 Methods for chemical analysis of iron, steel and alloy The α-benzoinoxime gravimetric method for the determination of molybdenum content GB/T 223.30-1994 Methods for chemical analysis of iron, steel and alloy The arsenazo Ⅲ spectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy The neutral titration method for the determination of nitrogen content after distillation separation 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 223.68-1997 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 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 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 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 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 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 17505-1998 Steel and steel products General technical delivery requirements GB/T 17505-2016 Steel and steel products—General technical delivery requirements 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 20124-2006 Steel and iron—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas (Routine method) YB/T 4334-2013 Metal foil room temperature tensile testing 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 YB/T 4334-2024 YB/T 4334-2024 Metal foil room temperature tensile test method GB/T 247-2025 General rules of package, mark and certification for steel plate, sheet and strip GB/T 222-2025 Steels and alloys—Permissible deviations of product analyzed chemical composition GB/T 223.8-2025 Iron,steel and alloy—Determination of aluminium content—Titrimetric method and spectrophotometric method GB/T 223.11-2025 Iron, steel and alloy—Determination of chromium content—Titrimetric method and spectrophotometric method