This specification stipulates the requirements, quality assurance regulations and delivery preparations for alloy structural steel rods used in the manufacture of rocket launcher parts (except gun body parts). This specification is applicable to rolled, forged and cold-drawn alloy structural steel bars whose diameter or side length is not more than 250mm.
GJB 1220A-2008 Referenced Document
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 223.15 Chemical analysis of iron,steel and alloy--The determination of titanium by gravimetric method
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 223.19 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*, 2008-05-13 Update
GB/T 223.24 Methods for chemical analysis of iron, steel and alloy.The extraction seperation--The dimethylglyoxime spectrophotometric method for the determination of nickel 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*, 2008-05-13 Update
GB/T 223.43 Iron,steel and alloy.Determination of tungsten content.Gravimetric method and spectrophotometric method*, 2008-05-13 Update
GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method*, 2008-08-19 Update
GB/T 223.53 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 223.54 Iron, steel and alloy—Determination of nickel content—Flame atomic absorption spectrometric method*, 2022-07-11 Update
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*, 2008-08-19 Update
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 223.64 Iron,steel and alloy.Determination of manganese content.Flame atomic absorption spectrometric method*, 2008-05-13 Update
GJB 1220A-2008 history
2020GJB 1220A-2020 Specification for alloy structural steel rods for artillery parts
2008GJB 1220A-2008 Specification for alloy structure steel bar for artillery parts
1991GJB 1220-1991 Specification for alloy structural steel for artillery parts
GJB 1220A-2008 Specification for alloy structure steel bar for artillery parts has been changed from GJB 1220-1991 Specification for alloy structural steel for artillery parts.