GB/T 9943-2008
High-speed tool steels (English Version)
- Standard No.
- GB/T 9943-2008
- 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
- Latest
- GB/T 9943-2008
- Replace
- GB/T 9943-1988 GB/T 9942-1988 GB/T 4462-1984
- Scope
- This standard specifies the order content, classification, size, shape and its allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of high-speed tool steel. This standard applies to hot-rolled, forged, cold-drawn high-speed tool steel bars (round steel, square steel, flat steel, hexagonal steel, etc.) The general term, hereinafter referred to as steel rod), wire rod and silver bright steel rod, its chemical composition is also applicable to ingots and billets.
GB/T 9943-2008 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 223.13 Methods for chemical analysis of iron,steel and alloy The ammonium ferrous sulfate titration method for the determination of vanadium content
- GB/T 223.19 Methods for chemical analysis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
- GB/T 223.20 Methods for chemical analysis of iron steel and alloy.The Potentiometric titration method for the determination of cobalt content
- GB/T 223.22 Methods for chemical analysis of iron ,steel and alloy.The nitroso-R-salt spectrophotometric method for the determination of cobalt content
- GB/T 223.23 Iron,,steel and alloy.Determination of nickel content.The dimethylglyoxime spectrophotometric method
- 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 223.43 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*， 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 223.62 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 223.64 Iron,steel and alloy.Determination of manganese content.Flame atomic absorption spectrometric method
- GB/T 223.65 Steel, iron and alloy.Determination of cobalt content.Flame atomic absorption spectrometric method*， 2012-12-31 Update
- GB/T 223.66 Methods for chemical analysis of iron,steel and alloy--The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content
- GB/T 223.8 Methods for chemical analysis of iron,steel and alloy The sodium fluoride separation-EDTA titration method for the determination of aluminium content
GB/T 9943-2008 history
- 2008 GB/T 9943-2008 High-speed tool steels
- 1988 GB/T 9943-1988 High speed tool steel bars--Technical requirements
- 1984 GB/T 4462-1984 Standard figure of coarse carbide of high speed tool steel
GB/T 9943-2008 High-speed tool steels has been changed from GB/T 9942-1988 High speed tool steel forged bars with large section--Technical requirements.
GB/T 9943-2008 High-speed tool steels has been changed from GB/T 4462-1984 Standard figure of coarse carbide of high speed tool steel.