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: 410116Phone:0086-731-8873-9521
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...
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...
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. ...
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 ...
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...