Based on distinct methods, the tubes could
be divided into arc welding pipe, high-frequency ERW pipe, low frequency ERW
pipe, gas welded pipe, stove welded pipe, Bundy tubes, etc. The welded tubes
can be divided to the longitudinal welding tube and also spiral welding tube in
accordance with the form of the welding line. The spiral welding tube made
through the spiral welding tube mill with higher Tube Mill China
technology has the manufacturing method which the steel strip or plate is bent
for being inside the round, sq. along with styles to get welded in to the steel
tubes with welding traces about the surface area. The stove welded pipe may be
used as being the water gasoline pipe, the massive diameter longitudinal
welding tube is used for transporting high pressure oil and also gas, and the
spiral welding tube is used for oil not to mention gas transportation.
The spiral welding tube maded by using the solid
state high frequency welding tube mill has reduced price and greater
generation performance compared to the seamless steel tube. The spiral welding
tube has the characteristics concerning basic creation process, higher
generation efficiency, minimal price and then quick advancement. The spiral
welding tube has increased strength compared to longitudinal welding tube. It
may be made from slim blank steel strip to have massive diameter. The blank
components with the same width may be used for manufacturing the welded tubes
concerning different diameters. But in contrast with the longitudinal welding
tube which is precisely the same as being the size regarding the spiral tube,
the welding line concerning the spiral tube could be extended by 30% to 100%.
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