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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

Advantages of hot rolling

Keywords :        Update : 2015-11-30        View(s) : 1883

(1) Hot rolling can  reduce the energy consumption and reduce costs significantly. When hot rolled, high plasticity and low deformation resistance of metal can reduce the energy consumption.  (2) Hot rolling can improve the processing performance of metal and alloy, the casting o...

Difference between SMLS steel pipe and welded steel pipe

Keywords :        Update : 2015-11-26        View(s) : 1919

1. Appearance; Welded steel pipe have a welding line on the inner wall but seamless have no. 2. Pressure; Pressure of seamless pipe is higher. Generally welded pipe is around 10 MPa, and have welded pipe seamless process. 3.Welded pipe is completed by cold rolling system, high frequency we...

Summary of CEO in November

Keywords :        Update : 2015-11-23        View(s) : 1987

However,in front of 2015, it is a big challenge for us. For now, our challenge now is double; On the one hand, economic rights speed slow. On the other hand, from the marketing, research and  development, production, logistics, and the impact to the enterprise management. Five tips ...

Steel pipe- Condition of delivery

Keywords :        Update : 2015-11-22        View(s) : 1884

Steel pipe- Condition of delivery It refers to the status of plastic deformation or heat treatment when loading. Usually we called it hot rolled or cold drawing(rolling) when producing withou heat treatment, and heat treatment if opposite. Or classify as normalizing heat treatment (often),...

Hot dip galvanized pipe

Keywords :        Update : 2016-02-24        View(s) : 1925

First, acid pickling the steel pipe to clean oxide of iron on the surface. After that, clean the pipe by ammonium chloride or zinc chloride or ammonium chloride and zinc chloride mixed aqueous solution in tank, and then sent to the hot dip plating tank. Hot dip galvanized steel pipe has adva...

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