23.040.10 - Iron and steel pipes

GB/T 32488-2026 in English

Ductile iron pipes and fittings—Seal coats for cement mortar linings

TO BE VALID

Issued on:2026-07-02 | Implemented on:2027-02-01

GB/T 47924-2026 in English

Green product assessment—Cast iron pipe

TO BE VALID

Issued on:2026-07-02 | Implemented on:2027-02-01

GB/T 12772-2026 in English

Cast iron pipes, fittings and accessories with flexible joint for building drainage

TO BE VALID

Issued on:2026-05-25 | Implemented on:2026-12-01

GB/T 46322-2025 in English

Restrained joint systems for ductile iron pipelines—Calculation rules for lengths to be restrained

VALID

Issued on:2025-10-05 | Implemented on:2026-05-01

GB/T 17456.2-2025 in English

Ductile iron pipes,fittings and accessories—External zinc-based coating—Part 2: Zinc rich paint with finishing layer

VALID

Issued on:2025-08-29 | Implemented on:2026-03-01

GB/T 17456.1-2025 in English

Ductile iron pipes, fittings and accessories—External zinc-based coating—Part 1：Metallic zinc and zinc alloy with finishing layer

VALID

Issued on:2025-08-29 | Implemented on:2026-03-01

YB/T 6296-2024 in English

Spheroidal Graphite Iron Pipe, Fittings and Accessories Zinc-Based Coating Surface Waterborne Corrosion Protection

VALID

Issued on:2024-10-24 | Implemented on:2025-05-01

NB/T 20006.20-2024 in English

Alloy steels for pressurized water reactor nuclear power plants - Part 20: Seamless steel pipes for main steam and main feed water pipes

VALID

Issued on:2024-09-24 | Implemented on:2025-03-24

NB/T 20007.8-2024 in English

Stainless steel for pressurized water reactor nuclear power plants Part 8: Austenitic stainless steel seamless pipes for level 1, 2 and 3 equipment

VALID

Issued on:2024-09-24 | Implemented on:2025-03-24

DB3211/T 1069-2023 in English

VALID

Issued on:2023-12-22 | Implemented on:2024-02-01