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YB/T 4447-2025Refractory products for coke dry quenching equipment (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

July 1, 2026

Scope

YB/T 4447-2025 (Refractory products for coke dry quenching equipment) is available as an English-translated PDF.

YB/T 4447-2025 — This standard specifies the terms and definitions, classifications and grades, technical requirements, test methods, quality assessment procedures, packaging, marking, transportation, storage, and quality certificates for refractory products used in dry quenching equipment.

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Document preview — YB/T 4447-2025

National Standard of the People's Republic of China

ICS: 81.080
Classification: Q 44
Replacing: YB/T 4447-2014

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the terms and definitions, classifications and grades, technical requirements, test methods, quality assessment procedures, packaging, marking, transportation, storage, and quality certificates for refractory products used in dry quenching equipment. This standard applies to refractory products used in dry quenching equipment, including clay bricks, mullite bricks, mullite-corundum bricks, andalusite bricks, mullite-silicon carbide bricks, composite silicon carbide bricks, silicon nitride-bonded silicon carbide bricks, and nitride-bonded silicon carbide bricks, etc.

Document data

International classification (ICS): 81.080.

Chinese classification (CCS): Q44.

Supersedes the earlier edition YB/T 4447-2014.

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

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