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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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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) : 1411

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) : 1502

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) : 1490

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) : 1090

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...

Problems that occur when welding thin-walled stainless steel pipes

Problems that occur when welding thin-walled stainless steel pipes

Keywords :Problems that occur when welding thin-walled stainless steel pipes        Update : 2020-12-09        View(s) : 1121

1. Construction level issues: Welding is a very professional technique. Many experts, including on-site construction workers, believe that after welding, it cannot be disassembled. In many actual construction sites, it is very inconvenient to make changes, so many construction workers are unwillin...

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