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Threeway Steel Co., Ltd

E-mail: sales@srtsteelpipe.com

Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

Phone:0086-731-8873-9521  

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Large diameter steel pipe forming method

Large diameter steel pipe forming method

Keywords :Large diameter steel pipe forming method        Update : 2023-12-01        View(s) : 410

1. Hot push expansion method: push expansion equipment is simple, low cost, convenient maintenance, economical and durable, and flexible product specifications. If you are required to prepare large-diameter steel pipes and other similar products, you only need to add some accessories. It is appropri...

Measures to avoid warping of 3PE anti-corrosion layer pipe ends

Measures to avoid warping of 3PE anti-corrosion layer pipe ends

Keywords :Measures to avoid warping of 3PE anti-corrosion layer pipe ends        Update : 2023-11-29        View(s) : 372

1. Under the condition of not affecting the welding of the nozzle, the reserved length of the epoxy powder at the end of the polyethylene layer should be appropriately increased to prevent the 3PE anti-corrosion warping caused by the long stacking time of the steel pipe and the serious metal corrosi...

The difference between 304 and 316 stainless steel pipes

The difference between 304 and 316 stainless steel pipes

Keywords :The difference between 304 and 316 stainless steel pipes        Update : 2023-11-27        View(s) : 440

They are very similar in appearance. SS304%SS316 is an austenitic, non-magnetic, and non-heat hardening treatment.    1. Different element composition   SS304-→Chromium-18%, Nickel 8%  SS316-→Chromium-16%, Nickel 10% and Molybdenum 2%    2. Different performance    The addition of molybd...

Fire steel piping connection method

Fire steel piping connection method

Keywords :Fire steel piping connection method        Update : 2023-11-23        View(s) : 408

1. Groove type (clamp) connection (1) The grooved connector (pipe joint) and the depth of the steel pipe groove should meet the requirements of "Grooved Pipe Joint" (CJJ/T156-2001). The working pressure of grooved pipe joints with a nominal diameter of DN ≤ 250mm is 2.5MPa, and ...

The correct way to store spiral steel pipes

The correct way to store spiral steel pipes

Keywords :The correct way to store spiral steel pipes        Update : 2023-11-21        View(s) : 504

1) The site or warehouse where spiral steel pipe products are stored should be located in a clean and well-drained place, away from factories and mines that produce harmful gases or dust. Weeds and all debris should be removed from the site and the steel should be kept clean. 2) They must n...

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