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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

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Prevention Method of Oil and Gas Spiral Steel Pipe Corrosion

Keywords :        Update : 2016-11-13        View(s) : 2145

Oil and gas spiral steel pipe corrosion means to slow or prevent pipeline in internal and external medium under the action of chemical, electrochemical, or eroded by microbial metabolic activity and metamorphism. First of all, to prevent third-party damage and oil and gas spiral steel pipe c...

Standards For API 5L Steel Pipe

Keywords :        Update : 2016-11-11        View(s) : 124

The American Petroleum Institute(API), founded in 1919, is the largest petroleum and natural gas industry association in the United States. The main contribution of API  is to develop a series of standards for oil and gas industry in accordance with legislative and environmental requireme...

"Internet + Steel" Full Impact SSAW Steel Pipe Manufacturers

Keywords :        Update : 2016-11-11        View(s) : 74

The  SSAW steel pipe  manufacturers because the steel market downturn, the steel trade team is facing a major reshuffle.According to statistics, the number of the country's steel trade has reduced from 200000 to 100000  or so. China's iron and steel industry in the tr...

US Steel Mill Shipments Drop 10% in September

Keywords :        Update : 2016-11-10        View(s) : 63

According to latest statistics released by the American Iron and Steel Institute (AISI), the steel shipment by country’s mills declined sharply by over 10% month-on-month in September this year. When matched with the shipments during the same month a year before, the Sep ’16 shipments were down by n...

The Advantages of Spiral Steel Pipe Strength

Keywords :        Update : 2016-11-10        View(s) : 1332

Pipe under internal pressure, usually on the wall there are two main stress, namely the radial stress delta Y and delta X axial stress. Synthetic stress of the weld of the delta delta Y = (l / 4 sin2 alpha + cos2 alpha) 1/2, among them, the alpha for spiral welded pipe weld spiral Angle. Weld s...

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