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 : 2017-01-01 View(s) : 2322
The energy market background, especially the construction of long distance natural gas pipeline to promote the development of API 5L steel pipe , the current market, domestic and international market demand for domestic oil and gas pipelines of about 8000000 T, the amount of annual suppl...
Keywords : Update : 2016-12-29 View(s) : 2664
API early in 1926 released by the American Petroleum Institute (API) API-5L standard, initially including three steel grade A25, A, B, and later released several times. Prior to 2000, the worldwide use X70, about 40%, X65, X60 are in the 30%, a considerable number of small-c...
Keywords : Update : 2016-12-29 View(s) : 2469
Lamination defect control measures of sawh steel pipe is following below: 1, to improve the toughness of plastic tube Improve the cleanliness of molten steel, to reduce the harmful inclusions; increase the proportion of the slab crystal axis, to reduce the center segregati...
Keywords : Update : 2016-12-28 View(s) : 2454
Chemical Composition The composition of pipe furnished to this specification, as determined by heat analysis for pipe other than Grade X 80, shall conform to the chemical requirements specified in Table 2, except that by agreement between the purchaser and the manufacturer carbon contents ...
Keywords : Update : 2016-12-28 View(s) : 1969
In general, the steel pipe can be classified into two categories: welded steel pipe and seamless steel tube. Welded steel pipe, also known as welded pipe . It is made of steel sheet or strip steel after crimp forming weld steel pipe. The production technology of welded steel...