This standard specifies the classification, code, size, shape, weight, technical requirements, samples, test methods, inspection rules, packaging, marks and quality certificates of seamless steel pipes for high-pressure boilers. This standard is applicable to the manufacture of seamless steel pipes for steam boilers and pipelines of high pressure and above.
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.10 Methods for chemical analysis of iron,steel and alloy The cupferron separation-chrome azurol S photometric method for the determination of aluminium content
GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration*, 2009-05-01 Update
GB/T 223.12 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 223.13 Methods for chemical analysis of iron,steel and alloy The ammonium ferrous sulfate titration method for the determination of vanadium content
GB/T 223.14 Methods for chemical analysis of iron,steel and alloy The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
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 223.17 Methods for chemical analysis of iron,steel and alloy--The diantipyrylmethane 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 223.23 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 223.30 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 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 223.43 Iron,steel and alloy.Determination of tungsten content.Gravimetric method and spectrophotometric method
GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
GB/T 223.58 Methods for chemical analysis of iron,steel and alloy--The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content
GB/T 223.59 Iron,steel and alloy.Determination of phosphorus content.Bismuth phosphomolybdate blue spectrophotometic method and antimony phosphomolybdate blue spectruophotometric 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 5310-2008 history
2023GB/T 5310-2023 Seamless steel pipe for high pressure boiler
2017GB/T 5310-2017 Seamless steel tubes and pipes for high pressure boiler
2008GB 5310-2008 Seamless steel tubes and pipes for high pressure boiler
1995GB 5310-1995 Seamless steel tubes and pipes for high pressure boiler
GB 5310-2008 Seamless steel tubes and pipes for high pressure boiler was changed to GB/T 5310-2017 Seamless steel tubes and pipes for high pressure boiler.