Industrial black steel pipe

Welded Steel Pipe for the different welding process is divided into the furnace pipe, welding (ERW) pipes and automatic arc welding, because of the different welding form is divided into two kinds of longitudinal and spiral welded pipe, due to the shape of the end and circular welded pipe and shaped (square, flat) welded pipe.Welded Steel Pipe is rolled into a tube shaped steel plate to butt or spiral seam welding and, in the manufacturing method, voltage liquid transportation by welding steel pipe, spiral seam welded steel pipe and directly roll welded steel pipe, welded steel pipe. Seamless Steel Pipe can be used in a variety of industries, such as liquid pressure pipe and gas pipeline. Welding pipe can be used for water pipelines, gas pipelines, heating pipes, electrical appliances, etc..

Sectional shape
Steel and steel products specifications is very wide, its performance requirements are various. All of these should be distinguished with changes in user requirements or working conditions. In general, the steel tube products are classified according to the shape of the section, the production method, the pipe material, the connection method, the coating characteristics and the application.
According to the pipe cross-sectional shape can be divided into: steel pipe and profiled steel pipe.
Shaped steel pipe is a kind of non circular section of the steel pipe. Including: square tube, rectangular tube, oval tube, flat oval tube, half pipe, hexagonal tube, hexagonal circular tube, equilateral hexagonal tube, tube of equilateral triangle, Pentagon plum tube, octagonal tube. A convex shaped tube, double convex tube. Biconcave shaped pipe, tube, oval - shaped tube, flat tube, tube diamond shaped, star shaped tube and parallelogram pipes, ribbed tube, drop shaped tube, internally finned tube, twisting reducing pipe, B type tube, D type tube and multilayer tube concave shape.
According to the shape of the steel pipe, it is divided into: equal section steel tube and steel tube with variable cross-section. Variable section (or variable section) steel pipe is a steel tube with periodic or non periodic changes in the shape of the cross section, inside and outside diameter and wall thickness. The main: external conical tube, conical inner tube, outer stepped tube, in the step tube, cycle section pipe, corrugated pipe, Spiral Pipe, finned tube and double barrel.

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Product Categories : Steel Pipe > Steel Pipe