GB/T 12770-2012
Welded stainless steel tubes for mechanical structures (English Version)
- Standard No.
- GB/T 12770-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 12770-2012
- Replace
- GB/T 12770-2002
- Scope
- This standard specifies the classification and code, order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of stainless steel welded steel pipes for mechanical structures. This standard applies to stainless steel welded steel pipes (hereinafter referred to as steel pipes) for machinery, automobiles, bicycles, furniture and other mechanical parts and structural parts.
GB/T 12770-2012 Referenced Document
- GB/T 22 Bolts,small hexagon head with fit neck
- GB/T 222 Permissible tolerances for chemical composition of steel products
- GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration
- 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 223.25 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 223.37 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation*， 2020-06-02 Update
- GB/T 223.40 Iron, steel and alloy Determination of niobium content by the sulphochlorophenol S 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 223.72 Iron,steel and alloy.Determination of sulfur content.Gravimetric method
- GB/T 223.84 Steel and iron.Determination of titanium content.Diantipyrylmethane spectrophotometric method
- GB/T 223.85 Steel and iron.Determination of sulfur content.Infrared absorption method after combustion in an induction furnace
- GB/T 223.86 Steel and iron.Determination of total carbon content.Infrared absorption method after combustion in an induction furnace
- GB/T 223.9 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method
GB/T 12770-2012 history
- 2012 GB/T 12770-2012 Welded stainless steel tubes for mechanical structures
- 2002 GB/T 12770-2002 Welded stainless steel tubes for machine structures
