Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 11261-2006 Steel and Iron-Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method 40.0 via email in 1 business day valid
GB/T 14203-2016 General rules for spark discharge atomic emission spectrometry 250.0 via email in 1~3 business day valid
GB/T 15006-2009 General rules of dimensions shape surface quality test method and inspection for elastic alloys 180.0 via email in 1~3 business day valid
GB/T 17616-1998 Unified Numbering System for Designations of Iron, Steel and Alloy 384.0 via email in 1 business day superseded
GB/T 17616-2013 Unified Numbering System for Designation of Iron, Steel and Alloy 660.0 via email in 1~3 business day valid
GB/T 18255-2000 Coking viscous oil products--Determination of distillation range 120.0 via email in 1 business day to be superseded
GB/T 20066-2006 Steel and Iron-Sampling and Preparation of Samples for the Determination of Chemical Composition 130.0 via email in 1 business day valid
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) 80.0 via email in 1 business day valid
GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas 80.0 via email in 1 business day valid
GB/T 223.23-2008 Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method 70.0 via email in 1 business day valid
GB/T 223.29-2008 Iron steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric method 90.0 via email in 1 business day valid
GB/T 223.31-2008 Iron steel and alloy - Determination of arsenic content -Distillation-molybdenum blue spectrophotometric method 60.0 via email in 1 business day valid
GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation 225.0 via email in 1~3 business day valid
GB/T 223.5-2008 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method 80.0 via email in 1 business day valid
GB/T 223.54-2022 Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method 315.0 via email in 1~5 business day to be valid
GB/T 223.55-2008 Iron steel and alloy - Determination of tellurium content - Oscillo-polarographic method 100.0 via email in 1 business day abolished
GB/T 223.59-2008 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method 70.0 via email in 1 business day valid
GB/T 223.63-2022 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method 225.0 via email in 1~3 business day valid
GB/T 223.64-2008 Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method 70.0 via email in 1 business day valid
GB/T 223.67-2008 Iron, Steel and Alloy - Determination of Sulfur Content - Methylene Blue Spectrophotometric Method 60.0 via email in 1 business day valid


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