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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

Hotonline: 0086-187-7406-7534 


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 seamless steel pipe and welded pipe

What is the difference between seamless steel pipe and welded pipe

Keywords : seamless steel pipe and welded pipe        Update : 2020-07-22        View(s) : 503

The forming process of seamless steel tubes and welded tubes is mainly different.   Welded pipe is the abbreviation for the welded pipe. Welded pipe is a kind of steel pipe made of welded pipe mold. As an important part of steel products, steel p...

What valves are in the pipeline?

What valves are in the pipeline?

Keywords :pipeline        Update : 2020-07-15        View(s) : 570

(1) Shut-off valve : Shut-off valve is also called closed-circuit valve, its role is to connect or cut off the medium in the pipeline. Block valves include gate valves, globe valves, plug valves, ball valves, butterfly valves and diaphragms.   (2) Check valve: Check valve i...

Welding characteristics of galvanized steel

Welding characteristics of galvanized steel

Keywords :galvanized steel        Update : 2020-07-10        View(s) : 535

Galvanized steel is generally coated with a layer of zinc on the low carbon steel, and the galvanized layer is generally 20um thick. Zinc has a melting point of 419°C and a boiling point of around 908°C. In welding, zinc melts into a liquid and floats on the surface of the molten pool or at th...

 submerged arc steel pipe

Acceptance steps of submerged arc steel pipe

Keywords : submerged arc steel pipe        Update : 2020-07-09        View(s) : 495

1. The inspection and inspection of submerged arc steel pipes shall be carried out by the technical supervision bureau of the supplier.   2. The supplier guarantees that the submerged arc steel pipes delivered meet the regulations of the corresponding product standards. Th...

pipe fittings and cast pipe fittings

The difference between forged pipe fittings and cast pipe fittings

Keywords :pipe fittings and cast pipe fittings        Update : 2020-07-08        View(s) : 463

pipe fittings and cast pipe fittings Generally speaking, the mechanical properties of castings are lower than those of forgings of the same material. In addition, the forging process can ensure the continuity of the metal fiber structure, keep the fiber structure of the forging consist...

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