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Lined pipe stress analysis
Lined pipe from the inner lining is the wear layer, the insulating layer, steel wall. Currently lined pipeline network to use more double-lined shells, no shells steel and fiber-reinforced double lining, no single hexagonal mesh of steel fiber reinforced lining and other forms. Because after usin...Read more -
Chinese Pipeline for gas—Hunan great steel pipe
Our products : Seamless steel pipe for oil and gas transportation . ERW steel pipe for gas pipeline construction .Spiral steel pipe API 5L ,ASTM A252,LSAW steel pipe etc. Hunan Shinestar Steel Group(HSSG) was founded in 1978 and our enterprise is thepredecessor of branch of China’s oil an...Read more -
Introduction to Black Steel Pipe
Black steel pipe is a non-galvanized steel pipe. Black steel pipe is used in applications that do not require the pipe to be galvanized. This non galvanized black steel pipe acquired its name because of its dark coloured iron oxide coating on its surface. Because of the strength of black steel pi...Read more -
Application of square seamless steel pipe
In a large number of industries, square steel pipes are used. The production of this kind of pipes is increasing day by day. With compare to round steel pipes, square steel pipes are little more efficient. The reason is that the square column is more efficient than the solid circular column. In a...Read more -
How to make steel tubes
Crossed, lower materials and beveling Steel construction drawings based crossed and consider cutting losses, welding shrinkage and other factors. After marking with a stamp, paint, pipe segments were marked, section number, flow direction, horizontal and vertical centerline, bevel angle and cutti...Read more -
High-frequency welding technology of hot-rolled seamless steel pipe
Small diameter steel pipe is mainly used in oil, natural gas pipeline. The small diameter steel pipe has one side welding and welding by both sides, welded pipe shall ensure that the water pressure test, the tensile strength and cold bending properties of the weld in accordance with regulations. ...Read more