This standard specifies the technical requirements, test methods, inspection rules, signs, packaging, storage and transportation of general-purpose heat-resistant steel and alloy castings. This standard is applicable to heat-resistant steel and alloy castings for general engineering, and the grades included represent the types of cast heat-resistant steel and heat-resistant alloy castings suitable for wide application under different heat-resistant conditions in general engineering. Those not specified in this standard can be specified in the order contract.
GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
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 223.22 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 223.3 Methods for chemical analysis of iron, steel and alloy--The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content
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 223.4 Alloyed steel.Determination of manganese content.Potentiometric or visual titration method
GB/T 223.40 Iron, steel and alloy Determination of niobium content by the sulphochlorophenol S spectrophotometric method
GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
GB/T 223.66 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 223.71 Methods for chemical analysis of iron, steel and alloy. The gravimetric method after combustion in the pipe furnace for the determination of carbon content
GB/T 223.72 Iron,steel and alloy.Determination of sulfur content.Gravimetric method
GB/T 228.1-2010 Metallic materials.Tensile testing.Part 1: Method of test at room temperature
GB/T 4336 Determination of multi-element content in carbon steel and medium and low alloy steel Spark discharge atomic emission spectrometry (conventional method) Amendment No. 1