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 223.16 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Chromotropic Acid Photometric Method for the Determination of Titanium Content"
GB/T 223.29 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Xylenol Orange Photometric Method for Determination of Lead Content after Carrier Precipitation"
GB/T 223.31 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Distillation-Molybdenum Blue Spectrophotometric Method for the Determination of Arsenic Content"
GB/T 223.32 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Hypophosphite Reduction-Iodimetric Method for the Determination of Arsenic Content"
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 223.48 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Semixylenol Orange Photometric Method for the Determination of Bismuth Content"
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 223.60 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content"
GB/T 223.61 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Ammonium Phosphomolybdate Volumetric Method for the Determination of Phosphorus 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 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Sodium (Potassium) Periodate Photometric Method for the Determination of Manganese Content"
GB/T 223.64 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Flame Atomic Absorption Spectrometric Method for the Determination of Manganese Content"
GB/T 223.67 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Reducing Distillation-Methylene Blue Photometric Method for the Determination of Sulfur Content"
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 223.71 "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 "Methods for Chemical Analysis of Iron, Steel and Alloy-The Alumina Chromatographic Separation-Barium Sulfate Gravimetric Method for the Determination of Sulphur Content"
GB/T 719 "Pig Iron-Sampling for Chemical Analysis"
YB/T 081 "Rule for Rounding Off of Numerical Values and Judgement of Testing Values for Technical Standards of Metallurgy"
ISO 4935 "Steel and Iron-Determination of Sulfur Content-Infrared Absorption Method after Combustion in an Induction Furnace"
ISO 9596 "Steel and Iron-Determination of Total Carbon Content-Infrared Absorption Method after Combustion in an Induction Furnace"
1 Scope
This standard specifies technical requirements, test methods, inspection rules, transport and quality certificate of pig iron used for spheroidal graphite cast iron.
This standard is applicable to pig iron used for spheroidal graphite cast iron.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
