GB/T 5751-2009
ActiveChinese classification of coals
中国煤炭分类
Application Summary AI generated
GB/T 5751-2009 defines the classification system for coals based on their degree of coalification, petrographic composition, and technological properties. It is applied in China’s coal mining, processing, and trading industries to standardize coal types for use in power generation, metallurgy, and chemical production. The standard also guides quality assessment and contractual specifications in domestic and international coal transactions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.