GB/T 397-2009
AbolishedSpecification of coal for coke making
炼焦用煤技术条件
Application Summary AI generated
GB/T 397-2009 specifies the technical requirements for coal used in coke production, including parameters such as ash content, sulfur content, volatile matter, and caking index. It is applied in the coking industry to ensure consistent quality of coal blends for metallurgical coke manufacturing, particularly in iron and steel production. The standard serves as a procurement and quality control reference for coal suppliers and coke plants.
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