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YB/T 4071-2025Blast furnace tuyere (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 4071-2025 (Blast furnace tuyere) is available as an English-translated PDF.

YB/T 4071-2025 — This standard specifies the structural form, marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificate for blast furnace tuyeres.

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Document preview — YB/T 4071-2025

National Standard of the People's Republic of China

ICS: 77.180
Classification: H 92
Replacing: YB/T 4071-1991

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the structural form, marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificate for blast furnace tuyeres. This standard applies to copper water-cooled blast furnace tuyeres used in ironmaking blast furnaces; intermediate tuyeres in contact with the outer side of this tuyer may also refer to this standard.

Document data

International classification (ICS): 77.180.

Chinese classification (CCS): H92.

Supersedes the earlier edition YB/T 4071-1991.

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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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