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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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Surface Treatment of SAWH Steel Pipe

Keywords :        Update : 2017-01-10        View(s) : 2685

1, clean Used solvent, emulsion clean steel appearance, to get to remove oil, grease, dust, smooth agent and similar organic matter, but it means less steel appearance of rust, scale removal, welding flux, etc., thus the tricks only as adjuvant in corrosion produced. 2, derusting Primary ...

Handling Vehicle Requirements of SAWH Steel Pipe

Keywords :        Update : 2017-01-09        View(s) : 2548

Handling vehicle requirements of sawh steel pipe : 1, State regulations spiral steel pipe bulk manner. If the client requests balers can consider, as appropriate, but must 159MM diameter to 500mm between the bale packaging material strip and fastened, each should be twisted into at least two,...

Welding Technology of LSAW Steel Pipe

Keywords :        Update : 2017-01-09        View(s) : 2585

Molding method for manufacturing large diameter lsaw steel pipe are UOE molding method, a row of roll forming method (CFE), CE molding. For the vast majority of the final steps of the molding process is to conduct a post-weld tube expanding full-length, in order to improve the quality of wel...

API SPEC 5L Line Pipe

Keywords :        Update : 2017-01-08        View(s) : 2713

API SPEC 5L line pipe production process is divided into seamless steel pipe, ERW steel pipe, submerged arc welded pipe. But the main use of seamless steel pipe (the  Seamless), straight seam high frequency resistance welding steel pipe (Electric-Resistance Arc Welding, abbreviated ...

The Defects in Welded Steel Pipe Manufacturing

Keywords :        Update : 2017-01-08        View(s) : 2572

There are usually two heating products for the pipe billet of the welded steel pipe, including pre-heating and rolling tube. When manufacturing welded pipe , the  two heating products should be heated before in a given path, and it requires the use of intermediate annealing so that t...

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