GB/T 21833-2008
Austenitic-Ferritic(duplex)grade stainless steel seamless tubes and pipes (English Version)
- Standard No.
- GB/T 21833-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2020-11
- Replace By
- GB/T 21833.1-2020
- GB/T 21833.2-2020
- Latest
- GB/T 21833.1-2020
- GB/T 21833.2-2020
- Scope
- This standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of austenitic-ferritic duplex stainless steel seamless steel pipes. This standard applies to corrosion-resistant austenitic-ferritic duplex stainless steel seamless pipes.
GB/T 21833-2008 Referenced Document
- GB/T 2102 Acceptance, packaging, marking and quality certification for steel tubular products*， 2022-10-14 Update
- GB/T 222 Permissible tolerances for chemical composition of steel products
- GB/T 223.16 Methods for chemical analysis of iron,steel and alloy--The chromotropic acid photometric method for the determination of titanium content
- GB/T 223.18 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate separation iodimetric method for the determination of cupper content
- GB/T 223.19 Methods for chemical analysis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
- GB/T 223.23 Iron,,steel and alloy.Determination of nickel content.The dimethylglyoxime spectrophotometric method
- GB/T 223.25 Methods for chemical analysis of iron, steel and alloy.The dimethylglyoxime gravimetric method for the determination of nickel content
- GB/T 223.26 Iron,steel and alloy.Determination of molybdenum content.The thiocyanate spectrophotometric method
- GB/T 223.28 Methods for chemical analysis of iron,steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content
- GB/T 223.36 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
- GB/T 223.4 Alloyed steel.Determination of manganese content.Potentiometric or visual titration method*， 2008-05-30 Update
- GB/T 223.43 Iron,steel and alloy.Determination of tungsten content.Gravimetric method and spectrophotometric method
- GB/T 223.60 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content
- GB/T 223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
- GB/T 223.63 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method*， 2022-07-11 Update
- GB/T 223.68 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 Iron,steel and alloy.Determination of carbon contents.Gas-volumetric method after combustion in the pipe furnace
- GB/T 228 Metallic materials--Tensile testing at ambient temperature
- GB/T 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method*， 2018-05-14 Update
- GB/T 231.1 Metallic materials—Brinell hardness test—Part 1: Test method*， 2018-05-14 Update
- GB/T 241 Metal materials-Tube.Hydrostatic pressure test
- GB/T 242 Metal materials.Tube.Drift-expending test
- GB/T 246 Metallic materials—Tube—Flattening test*， 2017-07-12 Update
GB/T 21833-2008 history
- 2020 GB/T 21833.1-2020 Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1: Tubes for heat exchanger
- 2008 GB/T 21833-2008 Austenitic-Ferritic(duplex)grade stainless steel seamless tubes and pipes