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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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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) : 1247

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) : 1338

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) : 1429

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) : 1393

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 ...

Source of Flange Casting Porosity and Improvement Measures

Source of Flange Casting Porosity and Improvement Measures

Keywords :Source of Flange Casting Porosity and Improvement Measures        Update : 2020-12-15        View(s) : 1011

Flange castings are thin-walled gray iron castings. The production process is: resin sand boxless molding, the sand core adopts two processes: cold core box core making and coated sand hot core box core making. Water-based paint is applied to the sand mold as a whole. After drying in the drying tunn...

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