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Steel pipes for hydrogen storage and transportation pipelines GB/T20801.5-2025 Pipelines for hydrogen use

2025-11-06View Original

Thread Content

**On October 31, 2025, the State Administration for Market Regulation and the **Standardization Administration Committee approved and issued, through Announcement No. 29 of 2025 on **Standards of the People’s Republic of China, 758 recommended **standards, including “Fasteners – Hexagon head threaded rods with holes – Part 2: Fine shank, grade B”, as well as 6 amendment sheets to recommended **standards. The following are standards related to pressure-bearing equipment for reference: GB/T 12459-2025 – Chinese name: Steel Butt-Welded Fittings; Type and parameters; Date of issuance: 2025-10-31; Date of implementation: 2026-05-01. GB/T 13401-2025 – Chinese name: Steel Butt-Welded Fittings – Technical specifications; Date of issuance: 2025-10-31; Date of implementation: 2026-05-01. GB/T 20801.1-2025 – Chinese name: Code for Pressure Piping – Part 1: Industrial Piping; Date of issuance: 2025-10-31; Date of implementation: 2026-05-01. GB/T 20801.5-2025 – Chinese name: Code for Pressure Piping – Part 5: Piping for Hydrogen Use; Date of issuance: 2025-10-31; Date of implementation: 2026-05-01. GB/T 46598-2025 – Chinese name: Steel Plates and Strips for Hydrogen Transportation and Storage Piping; Date of issuance: 2025-10-31; Date of implementation: 2026-05-01. GB/T 46599-2025 – Chinese name: Steel Tubes for Hydrogen Storage and Transportation Piping; Date of issuance: 2025-10-31; Date of implementation: 2026-05-01
Reply #22025-11-06
【Ten Years of Rapid Development in Chemical Equipment】The core equipment for China’s first 400,000 tons/year LAO production facility – the high-purity C4 and C6 product towers – was inspected and approved in Dalian. https://bbs.hcbbs.com/thread-5704530-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #32025-11-06
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2800 to 2025: Kunming University of Science and Technology, in collaboration with Guangdong, developed China’s first mobile zero-carbon hydrogen production and power generation unit, which was unveiled at the forum. https://bbs.hcbbs.com/thread-5704545-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #42025-11-07
【Ten Years of Rapid Development in Chemical Processing Equipment】The largest domestic project of its kind for continuous polymerization on a scale of 5,000 tons per batch of para-aramid fibers was successfully commissioned between 2021 and 2025. https://bbs.hcbbs.com/thread-5704579-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #52025-11-07
【Ten Years of Rapid Development in Chemical Processing Equipment】The first 6MPa 3,500-ton gasification furnace developed as part of the Space Long March project was successfully ignited during the pilot operation of the integrated project for clean and efficient utilization of resources in Xinjiang’s Zhongneng Lvyuan area. https://bbs.hcbbs.com/thread-5704592-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #62025-11-08
【Ten Years of Rapid Development in Chemical Engineering Equipment】Successful trial production of HE700M high-strength, extra-thick welded H-beams by Shansteel Co., Ltd. from 2024 to 2025 https://bbs.hcbbs.com/thread-5704594-1-1.html (Source: Haichuan Chemical Engineering Forum)
Reply #72025-11-08
【Ten Years of Rapid Development in Chemical Equipment】The key technology project for \"converting coal into high-end carbon materials\" carried out by Zhaoqing Shunxin from 2005 to 2025 has passed evaluation. https://bbs.hcbbs.com/thread-5704595-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #82025-11-09
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2806 to 2025: Dalian Institute of Chemical Physics’ new fixed-bed process for producing hydroquinone via phenol and hydrogen peroxide hydroxylation passes the scientific and technological achievement evaluation. https://bbs.hcbbs.com/thread-5704724-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #92025-11-09
【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2806 to 2025: Dalian Institute of Chemical Physics’ new fixed-bed process for producing hydroquinone via phenol and hydrogen peroxide hydroxylation passes the scientific and technological achievement evaluation. https://bbs.hcbbs.com/thread-5704724-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #102025-11-09
【Ten Years of Rapid Development in Chemical Equipment】2791-2025: Fuda Zijin Hydrogen Energy unveils China’s first 1,000-kilogram-class commercial ammonia decomposition hydrogen production and hydrogen refueling station https://bbs.hcbbs.com/thread-5704209-1-1.html (Source: Haichuan Chemical Industry Forum)
Reply #112025-11-09
【Ten Years of Rapid Development in Chemical Equipment】2792-2025: Breaking Monopolies! Huayou Gongjian Company’s self-developed \"bending pipe tool\" proves useful in East African projects https://bbs.hcbbs.com/thread-5704226-1-1.html (Source: Haichuan Chemical Industry Forum)

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