Threeway Steel-Seamless Steel Pipe, ERW Steel Pipe, LSAW Steel Pipe, SSAW Steel Pipe
Contact Us
Seamless Steel Pipe,ERW Steel Pipe,LSAW Steel Pipe,SSAW Steel Pipe,

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  

Home - NewsNews Center
In the pigging technology of long-distance natural gas steel pipelines, there are several types of p

In the pigging technology of long-distance natural gas steel pipelines, there are several types of p

Keywords :In the pigging technology of long-distance natural gas steel pipelines, there are several types of p        Update : 2022-06-16        View(s) : 878

(1) Pigging ball Usually, the pigging ball used in the gas steel pipeline is made of rubber material, the middle is empty, the thickness of the pipe wall is in the range of 3-5 cm, and there is a sealed water injection and exhaust hole on the top of the pigging ball. There is also a one-way va...

How to prevent corrosion of fire pipelines

How to prevent corrosion of fire pipelines

Keywords :How to prevent corrosion of fire pipelines        Update : 2022-06-15        View(s) : 913

It is recommended to use polyethylene anti-corrosion adhesive tape with a special primer for external anti-corrosion of the steel pipeline . This anti-corrosion process has low requirements on the construction site and no pollution. It can be prefabricated for anti-corrosion and then repaired aft...

Rust removal and maintenance method of straight seam welded pipe

Rust removal and maintenance method of straight seam welded pipe

Keywords :Rust removal and maintenance method of straight seam welded pipe        Update : 2022-06-14        View(s) : 906

The maintenance of straight seam welded pipe equipment has become a headache. Straight seam welded pipe equipment plays an important role in life and work. It is generally required that the surface of the straight seam welded pipe fittings reach a near-white level (Sa2.5). The practice has pro...

Eddy's current non-destructive testing method for welding seam of spiral steel pipe

Eddy's current non-destructive testing method for welding seam of spiral steel pipe

Keywords :Eddy's current non-destructive testing method for welding seam of spiral steel pipe        Update : 2022-06-13        View(s) : 813

As an efficient special means of transportation, pipeline transportation has played an increasingly important role in the fields of oil and natural gas transportation. At present, domestic large-diameter transportation pipelines are mainly constructed with spiral welded steel pipes . To ensure the ...

Three welding techniques for stainless steel welded pipes

Three welding techniques for stainless steel welded pipes

Keywords :Three welding techniques for stainless steel welded pipes        Update : 2022-06-10        View(s) : 914

Stainless steel welded pipe technology - argon arc welding Stainless steel welded pipes require deep penetration, no oxide inclusions, and as small a heat-affected zone as possible. Tungsten inert gas shielded argon arc welding has good adaptability, high welding quality, and good penetratio...

Page(s):  1 ... 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 ... 468