How,classify,steel,pipes,appli business, insurance How to classify steel pipes by application?
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Classify by Application - steel pipes for pipelines, steel pipes for thermal equipment, steel pipes for industrial machinery , petroleum , geological drilling steel , container steel , chemical industry with steel pipes, steel pipes for special purposes , others. 1. for low pressure liquid delivery (GB / T3092-1993) ,it is also known as general welded pipe, commonly known as the black steel pipe. Welded steel pipe is used for conveying water, gas , air, oil and heating steam and other general low pressure fluid and for some other purposes as well. Then divided into ordinary wall thickness steel pipe and thicker steel by wall thickness ; take pipe end into consideration, welded steel pipe can be divided into bare steel tube (bare tubes ) and threaded steel pipe . Pipe specifications could express with nominal diameter (mm), nominal diameter is the approximation of the diameter. Traditionally, expressed in inches commonly , such as 11/2 and so on. Except for delivering low pressure liquid directly, welded steel pipes are also widely used as raw pipe for low pressure liquid delivery galvanized welded steel pipe .The low pressure fluid galvanized welded steel pipe (GB / T3091-1993) , also known as galvanized welded steel pipe, commonly known as white tube . It ishot-dip galvanized welded (furnace brazed or welded )pipe used for conveying water , gas, air, oil and steam heating , warm water and other general low pressure fluid or some other purposes. Then divided into ordinary wall thickness steel pipe and thicker steel by wall thickness ; take pipe end into consideration, galvanized welded steel pipe can be divided into bare steel tube (bare tubes ) and threaded steel pipe . Pipe specifications could express with nominal diameter (mm), nominal diameter is the approximation of the diameter. Traditionally, expressed in inches commonly , such as 11/2 and so on.Ordinary carbon steel wire casingtube(GB3640-88) work for the protection of steel wires in industrial and civil construction, installation of equipment and other electrical installation. traight seam welded steel pipe (YB242-63) is parallel to the longitudinal welds and steel pipe . Usually divided into metric welded steel pipe , welded thin-walled tube , transformer cooling tubing and the like.Spiral submerged arc welded pipe(SY5036-83)for transport pressure bearing fluid is shaped by room temperature spiral with hot-rolled steel strip coils as pipe blank. It is spiral seam steel pipe made by double-sided submerged arc welding method for delivery of pressurized fluid spiral pipe joints. It has strong pressure bearing capacity, good welding performance , and through a variety of rigorous scientific examination and testing , it has been proved using safe and reliable. With big pipe diameter , high transmission efficiency, it can save the laying of pipeline investments. Mainly used for pipelines for transporting oil and gas.
How,classify,steel,pipes,appli