The advantages of cold drawn steel tube

(1) the size is accuracy, tolerance is small;

(2) when the die hole machining is excellent, well-oiled and the surface of good quality and finish of up to seven;

(3) using it to produce small-diameter steel pipe and a special section;

(4) cold contribute to grain refinement of metals, together with the appropriate heat treatment to obtain good mechanical properties of steel pipe;

(5) The equipment is simple, flexible production methods, and to facilitate the replacement of species.

In addition, forming speed high yield without damage coating made ​​various section forms meet the use conditions; cold rolled Steel great plastic deformation improve steel yield points.