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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

Hotonline: 0086-187-7406-7534 

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The Use of Different Kinds of Straight Seam Steel Pipe

Keywords :        Update : 2017-01-02        View(s) : 1796

Straight seam steel pipe can be divided into general steel pipe, galvanized pipe, oxygen blowing pipe, wire casing, metric, deep well pump pipe, welded pipe roller automobile with a variety of pipe, pipe welding transformer, special tubes, welded thin-wall pipe and spiral welded pipe and steel pipe,...

Spiral Welding

Keywords :        Update : 2017-01-01        View(s) : 1978

Spiral welding refers strip or plate bending round, square and other shapes and then welded into the surface of the steel pipe seams. Welding methods can be divided according to different arc welded pipe, high-frequency or low frequency electric resistance welded pipe, gas pipe, stove ...

The Development Trend of The API 5L Steel Pipe

Keywords :        Update : 2017-01-01        View(s) : 1732

The energy market background, especially the construction of long distance natural gas pipeline to promote the development of API 5L steel pipe , the current market, domestic and international market demand for domestic oil and gas pipelines of about 8000000 T, the amount of annual suppl...

API 5L welded steel pipe

Keywords :        Update : 2016-12-29        View(s) : 1982

API early in 1926 released by the American Petroleum Institute (API)  API-5L   standard, initially including three steel grade A25, A, B, and later released several times. Prior to 2000, the worldwide use X70, about 40%, X65, X60 are in the 30%, a considerable number of small-c...

Lamination Defect Control Measures of SAWH Steel Pipe

Keywords :        Update : 2016-12-29        View(s) : 1845

Lamination defect control measures of  sawh steel pipe  is following below: 1, to improve the toughness of plastic tube Improve the cleanliness of molten steel, to reduce the harmful inclusions; increase the proportion of the slab crystal axis, to reduce the center segregati...

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