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: 410116Phone:0086-731-8873-9521
Keywords : Update : 2017-01-09 View(s) : 2425
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...
Keywords : Update : 2017-01-08 View(s) : 2561
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 ...
Keywords : Update : 2017-01-08 View(s) : 2409
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...
Keywords : Update : 2017-01-06 View(s) : 2579
First of all welded pipe weld clean oil, paint, water, rust, etc., and then open the groove according to the thickness, to open a large number of thick, thin it to open a small number of (angle grinder, then that is the gap of product, generally 1- 1.5 times the diameter of ...
Keywords : Update : 2017-01-06 View(s) : 2222
New year, new begin, new dream. Before the Chinese New Year comes, Shinestar Group to have care, support the construction and development of the group of all customers, partners, employees, and friends from all walks of life, with the most cordial greetings and best wishes! Thanks for the ...