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Welded steel pipes are classified according to their uses

Views: 0     Author: Site Editor     Publish Time: 2021-08-02      Origin: Site

It is divided into general welded pipe, galvanized welded pipe, oxygen blown welded pipe, wire bushings, metric welded pipe, roller pipe, deep well pump pipe, automobile pipe, transformer pipe, welding thin-wall pipe, welding special-shaped pipe, scaffolding pipe and spiral welded pipe.  

General welding pipe: general welding pipe to transport low pressure fluid.  It is made of steel.  It can also be manufactured from other mild steels which are easy to weld.  The steel pipe should be tested by water pressure, bending, flattening and so on. There are certain requirements on the surface quality. The delivery length is usually 4-, and it is often required to be delivered by fixed size (or double size).  The specification of the welded pipe is indicated by the nominal caliber (mm or inch). The nominal caliber is different from the actual one. According to the stipulated wall thickness, there are two kinds of welded pipe: ordinary steel pipe and thickened steel pipe.  Welded Steel Pipe for sale - GKSTEELPIPE

Galvanized steel pipe: in order to improve the corrosion resistance of steel pipe, the general steel pipe (black pipe) is galvanized.  Galvanized steel pipe is divided into hot dip galvanized and electric steel zinc two kinds, hot dip galvanized galvanized layer thick, low cost of electric galvanized.  The production process of straight welded pipe is simple, the production efficiency is high, the cost is low and the development is fast.  The strength of spiral welded pipe is generally higher than that of straight welded pipe. It can be used to produce larger welded pipe diameter with narrower blanks, and can also be used to produce different welded pipe diameter with the same width blanks.  But compared with the same length of straight seam pipe, the weld length is increased by 30~%, and the production speed is lower.  

Welded steel pipesof the application field  

Products are widely used in water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction, is one of the 20 key products developed in China.  

For liquid transport: water supply, drainage.  For gas transport: gas, steam, liquefied petroleum gas.  

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