Standard No.:	GB/T 718-2024
English Name:	Pig iron for casting
Chinese Name:	铸造用生铁
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2024-05-28
Implemented on:	2024-12-1
Status:	to be valid
Superseding:	GB/T 718-2005 Foundry pig iron
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	195.0
Delivery:	via email in 1 business day

Pig iron for casting 1 Scope This document specifies the classification and designation, technical requirements, test methods, inspection rules, as well as packaging, storage, transportation and quality certificate of pig iron for casting. This document is applicable to the production and application of pig iron for gray cast iron, pig iron for spheroidal graphite cast iron and high purity pig iron for foundry. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 223.3 Methods for chemical analysis of iron, steel and alloy - The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method 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 223.13 Methods for chemical analysis of iron, steel and alloy - The ammonium ferrous sulfate titration method for the determination of vanadium content GB/T 223.14 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 223.17 Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane photometric method for the determination of titanium content GB/T 223.18 Methods for chemical analysis of iron, steel and alloy - The sodium thiosulfate separation iodimetric method for the determination of copper 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 223.26 Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method GB/T 223.29 Iron, steel and alloy - Determination of lead content - Carrier precipitation - Xylenol orange 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 223.53 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrophotometric method for the determination of copper content GB/T 223.59 Iron, steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric 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 223.61 Methods for chemical analysis of iron, steel and alloy - The ammonium phosphomolybdate volumetric 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 Iron, steel and alloy - Determination of manganese content - Flame atomic absorption spectrometric 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 223.71 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 223.75 Iron, steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method GB/T 223.76 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of vanadium content GB/T 223.78 Methods for chemical analysis of iron, steel and alloy - Curcumin spectrophotometric method for the determination of boron content GB/T 223.79 Iron and Steel - Determination of multi-element contents - X-ray fluorescence spectrometry (routine method) GB/T 223.80 Iron, steel and alloy - Determination of trace bismuth and arsenic contents - Hydride generation-atomic fluorescence spectrometric method GB/T 223.81 Iron, steel and alloy - Determination of total aluminum and total boron contents - Microwave digestion-inductively coupled plasma mass spectrometric method GB/T 223.84 Steel and alloy - Determination of titanium content - Diantipyrylmethane spectrophotometric method GB/T 223.89 Iron, steel and alloy - Determination of tellurium content - Hydride generation-atomic fluorescence spectrometric method GB/T 5611 Foundry terminology GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and designation 5 Technical requirements 6 Test methods 7 Inspection rules 8 Packaging, storage, transportation and quality certificate