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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 Properties of Stainless Steel

The Properties of Stainless Steel

Keywords :The Properties of Stainless Steel        Update : 2021-01-05        View(s) : 913

Oxidation High oxidation resistance in air at ambient temperature is normally achieved with additions of a minimum of 13% (by weight) chromium, and up to 26% is used for harsh environment. The chromium forms a passivation layer of chromium oxide (Cr2O3) when exposed to oxygen. The layer ...

The measures to prevent precision cold drawn pipe cold crack

The measures to prevent precision cold drawn pipe cold crack

Keywords :The measures to prevent precision cold drawn pipe cold crack        Update : 2021-01-04        View(s) : 820

Welded p ipe  has welded joints rigid, multi-layer welding, welding metal bulky, so welded joints in high-stress state, such as the weld metal has a higher yield point, it is difficult to relaxation through its plastic deformation of welded joints of high stress , then weld crac...

 The influence of the steel belt size

The influence of the steel belt size

Keywords : The influence of the steel belt size        Update : 2020-12-30        View(s) : 839

when the strip is less than the width of the allowable deviation, the pressing force is decreased when the welded steel pipe , seam welded steel pipe is not so strong, cracks or open tube; when the width of the strip is greater than the when tolerance, when welded steel pipe extrusion press...

The Difference Between Welded and Seamless Sanitary Tubing

The Difference Between Welded and Seamless Sanitary Tubing

Keywords :The Difference Between Welded and Seamless Sanitary Tubing        Update : 2020-12-29        View(s) : 848

The Difference Between Welded and Seamless Sanitary Tubing Entire systems and components are both supplied by us. These Entire systems and components are parts of the high purity applications. We have high requirements of integrity and cleanliness. Nowadays piping and fittings are ...

 Steel pipe longitudinal cracks

Steel pipe longitudinal cracks

Keywords : Steel pipe longitudinal cracks        Update : 2020-12-28        View(s) : 889

Steel pipe weld defects affect the quality of the most immediate cause, and the welding crack is one of weld defects. Longitudinal cracks manifestations are: crack fracture, with a smooth arc free surface, sometimes oxides, electron probe found no other inclusions. Steel pipe longi...

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