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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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Hot rolling and cold rolling technology of seamless steel tube

Hot rolling and cold rolling technology of seamless steel tube

Keywords :Hot rolling and cold rolling technology of seamless steel tube        Update : 2021-06-04        View(s) : 1358

Seamless steel pipes are made of steel ingots or solid tube billets through the perforation into capillary tubes and then made by hot rolling, cold rolling, or cold drawing. The specifications of seamless steel pipes are expressed in millimeters of outer diameter * wall thickness. Seamless stee...

What happens to the stainless steel pipe after pickling

What happens to the stainless steel pipe after pickling

Keywords :What happens to the stainless steel pipe after pickling        Update : 2021-05-28        View(s) : 1364

With the wide application of stainless steel pipes, people's requirements are getting higher and higher, and the processing technology has become diversified. Pickling is one of the processing techniques. Do you know why the stainless steel pipe undergoes a hydrogen embrittlement reaction after pick...

The difference between galvanized steel pipe and stainless steel pipe

The difference between galvanized steel pipe and stainless steel pipe

Keywords :The difference between galvanized steel pipe and stainless steel pipe        Update : 2020-12-23        View(s) : 1440

1. The meaning of galvanized steel pipe and stainless steel pipe is different Galvanized steel pipe, welded steel pipe with hot-dip galvanized or electro-galvanized layer on the surface. Stainless steel pipe is a hollow long round steel. 2. Different application scope Hot-dip galvanized s...

Derusting grade of seamless steel pipe

Derusting grade of seamless steel pipe

Keywords :Derusting grade of seamless steel pipe        Update : 2020-12-22        View(s) : 1534

The fundamental point of the surface treatment standard is four different rust levels: The surface of Grade A steel is completely covered with adhering oxide scale, and there is almost no rust. The surface of grade B steel has begun to rust, and the oxide scale has begun to peel off in flakes. ...

Galvanized pipe standard

Galvanized pipe standard

Keywords :Galvanized pipe standard        Update : 2020-12-16        View(s) : 1529

Galvanized pipe, also known as galvanized steel pipe, is divided into two types: hot-dip galvanized and electro-galvanized. The hot-dip galvanized layer is thick and has the advantages of uniform coating, strong adhesion, and long service life. The cost of electro-galvanizing is low, the surface is ...

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