GB/T 31862-2015
ActiveCommercial coal quality—Lignite
商品煤质量 褐煤
Application Summary AI generated
GB/T 31862-2015 specifies the quality classification, technical requirements, test methods, and inspection rules for commercial lignite (brown coal). It is applied in the mining and coal trading industries to define acceptable ranges for moisture, ash, volatile matter, sulfur, and calorific value, ensuring consistent quality for power generation and industrial combustion. This standard is used by coal producers, suppliers, and buyers in China for contract agreements and quality acceptance testing.
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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.