YB/T 4403-2014 (English Version) PDF

Scope: This standard specifies the particle size specifications, technical requirements, test methods, inspection rules, packaging, marking, storage, transportation and quality certificates of graphitized carburizers. This standard is applicable to graphitized carburizers prepared from petroleum coke as raw material through high-temperature graphitization treatment for carburization in the steel smelting and casting industries. It is also applicable to the production of carbon graphite materials that require high carbon content and sulfur content. of raw materials.

YB/T 4403-2014 Referenced Document

GB/T 1429 Carbon materials.Determination of the ash content
GB/T 24526 Carbon materials-Determination of the total sulphur content
GB/T 24527 Carbon materials-Determination moisture in air-dried sample
GB/T 3521-2008 Method for chemical analysis of graphite
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*， 2022-10-12 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 8719 General rule for packing,marking,storage,transport and quality certificates of carbonaceous material and products*， 2022-07-11 Update
YB/T 5189 Determination of volatile matter of carbon materials*， 2022-09-30 Update