Threeway Steel Co., Ltd
E-mail: email@example.comAddress: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116
With the continuing improvement in quality of hot rolled coils and the progress in pipe-processing equipment and technology, the quality of spirally welded pipes was enhanced rapidly.
SAWH steel pipes performed well in the trunk pipelines in China and Canada without serious quality and safety problems, and so their high ratio of performance against cost has been increasingly recognized by customers.
The technology of low stress forming, residual stress control, pipe end expanding and nondestructive testing, as well as the adoption of high toughness welding wire and welding flux have significantly improved the quality of domestically produced spirally welded pipes. The first successful pressure test of the west section of the Line 2 of West-East Natural Gas Distribution Project is to have great impact on the global oil and gas pipe industry.
The SAWH steel pipes produced in China not only satisfy domestic demand but also are exported in large volume.