This part specifies the requirements for the manufacturing, testing, inspection and acceptance of manganese-nickel-molybdenum steel forgings for steam generator tube sheets in pressurized water reactor nuclear power plants. This section applies to 18MnNiMo alloy steel forgings for steam generator tube sheets in pressurized water reactor nuclear power plants.
NB/T 20006.6-2011 Referenced Document
GB 223.19 Iron and steel and alloy chemical analysis method Neocuproine-chloroform extraction photometric method for determination of copper content
GB 223.37 Methods for chemical analysis of iron,steel and alloy The indophenol blue photometric methods for the determination of nitrogen content after distillation seperation
GB 223.53 Methods for Chemical Analysis of Iron, Steel and Alloys - Determination of Copper Content by Flame Atomic Absorption Spectrophotometry
GB 223.58 Methods for chemical analysis of iron, steel and alloys Sodium arsenite-sodium nitrite titration for the determination of manganese content
GB 223.62 Method for Chemical Analysis of Iron, Steel and Alloy Butyl Acetate Extraction Spectrophotometric Determination of Phosphorus
GB 223.63 Chemical analysis methods of steel and alloys Sodium periodate (potassium) spectrophotometric determination of manganese content
GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration
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 223.14 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 223.21 Methods for chemical analysis of iron steel and alloy.The 5-CL-PADAB 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 223.31 Iron,steel and alloy.Determination of arsenic content.Distillation-molybdenum blue spectrophotometric method
GB/T 223.47 Methods for chemical analysis of iron,steel and alloy. The carrier precipitation-molybdenum blue potometric method for the determination of antimony content
GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
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/T 223.64 Iron,steel and alloy.Determination of manganese content.Flame atomic absorption spectrometric method
GB/T 223.67 Iron,steel and alloy.Determination of sulfur content.Methylene blue spectrophotometric method
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 223.9 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method
NB/T 20006.6-2011 history
2011NB/T 20006.6-2011 Alloy steel for pressurized water reactor nuclear power plants.Part 6:Mn-Ni-Mo steel forgings for PWR steam generator tube plates