This standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage, quality certificate and contract (or order form) content of zinc alloy ingots for casting. This standard applies to zinc alloy ingots for casting (including sand casting, metal casting and die casting, etc.).
GB/T 8738-2014 Referenced Document
GB/T 12689.1 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry
GB/T 12689.10 The methods for chemical analysis of zinc and zinc alloys-The determination of tin content-The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
GB/T 12689.3 The methods for chemical analysis of zinc and zinc alloys-The determination of cadmium content-The flame atomic absorption spectrometric method
GB/T 12689.4 The methods for chemical analysis of zinc and zinc alloys-The determination of copper content-The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
GB/T 12689.5 The methods for chemical analysis of zinc and zinc alloys-The determination of iron content-The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method
GB/T 12689.6 The methods for chemical analysis of zinc and zinc alloys-The determination of lead content-The oscillopolarographic method
GB/T 12689.7 Methods for chemical analysis of zinc and zinc alloys—Part 7:Determination of magnesium content—Flame atomic absorption spectrometric method
GB/T 12689.8 The methods for chemical analysis of zinc and zinc alloys-The determination of silicon content-The molybdenum blue spectrophotometric method
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values