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Threeway Steel Co., Ltd

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Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116

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Large diameter steel pipe

Keywords :        Update : 2015-11-15        View(s) : 1610

Large diameter steel pipe generally refers to OD over 500 mm diameter straight seam steel pipe, for now the biggest diameter can reach 2020 mm, single seam weld maximum diameter is 1220 mm. Standard Domestic usually adopt GB/T3091-2008、GB/T9711.1-1997、API 5L standard 。 General materi...

Main characters of LSAW steel pipe

Keywords :        Update : 2015-11-12        View(s) : 1729

1) Pipes have a longitudinal weld, internal and external weld both adopts a submerged arc welding. 2) With the whole mechanical expanding processing, stress in the internal of steel pipe is small and uniform distribution, which can effectively prevent stress corrosion cracking, and high dimensiona...

Property of Seamless Steel Pipe

Keywords :        Update : 2015-11-11        View(s) : 2184

Property 1.1 According to the supplying of mechanism performances about the domestic seamless steel pipe, common carbon steel as per the A class of GB/T700-88( content S ≤0.050% and P≤0.045% should be guaranteed), and mechanical property should conform to GB8162-87 1.2 Hydrostatic test must ba...

US Raw Steel production plummets by nearly 13% to 1,618,000 net tons

Keywords :        Update : 2015-11-10        View(s) : 307

 United States domestic raw steel production plummeted by nearly 13% to 1,618,000 net tons during the week ended November 7, 2015, while the capability utilization rate was 67.7 percent, as per the latest figures released by the American Iron and Steel Institute (AISI). According to AISI, ...


Classification of Seamless Steel pipe

Keywords :        Update : 2015-11-09        View(s) : 1658

1. Way of producing: Hot-rolled pipe, cold-rolled pipe, cold drawn pipe and extruded tube etc. 2. Appearance: Round steel pipe and special section tube. Beside the square tube and rectangular tube, special section tube also including the elliptical tube, round tube, triangular tubes, hexagonal tub...

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