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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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galvanized steel pipes

Preventive measures for improper connection of galvanized steel pipes

Keywords :galvanized steel pipes        Update : 2020-04-24        View(s) : 790

1. In the selection of pipes, high-quality ones should be selected; through the design specifications and the size of the pipe fittings, the connection method is finally determined. Strict construction should be carried out in accordance with the standard procedures and processes of various conn...

How to detect coated steel pipes?

How to detect coated steel pipes?

Keywords :coated steel pipes        Update : 2020-04-23        View(s) : 807

Coated steel pipe is based on steel pipe, and a layer of plastic anti-corrosion steel-plastic composite steel pipe is welded on the inner or outer surface of the steel pipe by spraying, rolling, dipping and suction processes.   1. Visual inspection   2. ...

The method of straight seam steel tube in preheating deformation

The method of straight seam steel tube in preheating deformation

Keywords :straight seam steel tube        Update : 2020-04-21        View(s) : 790

1. Reasonable material selection, reasonable selection of heating temperature, and control of heating speed.   2. Correct heat treatment process operation and reasonable tempering heat treatment process are also useful methods to reduce the deformation of precision messy mol...

plastic coated steel pipes

Common problems in the production and processing of plastic coated steel pipes

Keywords :plastic coated steel pipes        Update : 2020-04-17        View(s) : 944

1. Weld defect: Welding defects are more serious, which can be compensated by manual mechanical grinding treatment methods, and the resulting grinding marks will cause uneven surface and affect aesthetics. Only pickling and passivating the welding seam will also cause uneven surface. ...

spiral welded pipe

How to prevent decarburization of spiral welded pipe?

Keywords :spiral welded pipe        Update : 2020-04-16        View(s) : 774

To solve the problem of decarburization on the surface, it is mainly to deal with the heat treatment process, because the decarburization and oxidation of the spiral welded pipe are carried out at the same time, so during the heat treatment process, the spiral welded pipe should be kept awa...

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