National reunification counseling hot line
028-84314686
telephone£º
0086-13880562815
phone£º
0086-28-84314686 84438416
fax£º
0086-28-84438416 84333210
E-mail£ºyutema@123.comSmall diameter seamless steel pipe, can be called small-diameter seamless steel pipe, small diameter seamless steel pipe can be divided into: small diameter seamless steel pipes and straight seam (also called welding) small-diameter seamless steel pipe, general steel tube diameter 89mm or less, 4mm above; can be referred to as small-diameter seamless steel pipe.
It is a small-diameter cold drawn seamless steel pipe having a hollow cross section, no seams around a circular, square, rectangular steel. Seamless steel ingot is made of perforated or solid through the capillary tube, and then hot-rolled, cold-rolled or cold call is made. Seamless steel pipe having a hollow cross-section, a large number of channels for transporting fluids, such as pipes, pipe and solid steel bar, compared to the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle frames and construction using steel scaffolding.