GB/T 5751-2009: Translated English of Chinese Standard. (GBT 5751-2009, GB/T5751-2009, GBT5751-2009): Chinese coal classification
https://www.chinesestandard.net, Oct 22, 2015 - Technology & Engineering - 13 pages
This Standard specifies classification system of Chinese coals based on application. This Standard is applicable to the coals explored, produced, processed, utilized and sold within the territory of China.
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Common terms and phrases
1/2 medium caking anthracite's subclass ash content productivity ash reduction ash-free basis Vdaf Bituminous Coal GB/T caking coal RN caking index Category Code Encoding Chinese classification Chinese Coals Classification for Coals Classification indicator Vdaf Classification of bituminous classification system coal and coke coal and lignite coal classification coal is divided coal is fat coal or gas-fat coal sample coal seam coal's Code Encoding Classification commercial coal content productivity rate degree of coalification detailed in GB/T detailed in Table determination method dry ash-free basis Encoding Classification indicator flame coal CY Gas-fat coal QF gelatine layer gross calorific value Hard coal Hydrogen joule long flame coal mass fraction maximum thickness Meagre lean coal Mechanical sampling medium caking coal method is detailed MJ/kg moist ash-free basis Non-caking coal BN requirements of GB Samples for Coal Solid mineral fuels Standard Subclasses Classification thickness of gelatine value of moist vitrinite volatiles of dry Weakly caking coal