YB/T 6535-2026Iron pellets for hydrogen-based direct reduction in shaft furnaces (English PDF)

YB/T 6535-2026 is the English-translated version of 氢基竖炉直接还原用球团.

The document sets out the technical requirements, test methods, inspection rules, marking, packaging, transport, storage and quality certificate for iron ore pellets used in direct reduction in hydrogen-based shaft furnaces. It applies to pellets produced for use in the hydrogen-based shaft furnace direct reduction process, which turns the pellets into direct reduced iron for steel-making. In practical terms, the document defines what a buyer may expect of such pellets and how conformity is demonstrated and documented at delivery, from testing through to the certificate that accompanies each consignment.

Pellet plants, direct reduction operators, buyers of pellets and testing laboratories can use it when agreeing supply terms and checking deliveries. It is a voluntary standard (code with /T), issued by the Ministry of Industry and Information Technology on 15 July 2026 and effective from 1 February 2027. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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