SMLS or ERW

Keywords:SMLS or ERW
Seamless tube compared with straight seam resistance steel tube is as follows:
1, High dimensional accuracy
Diameter and wall thickness deviation, straight seam electric resistance welded pipe smaller than seamless steel tubes. This is because the steel rolling and pipe molding is easy to control, so the high dimensional accuracy.

2, Good mechanical properties
Because straight seam resistance welding steel pipes easy to carry out controlled rolling, heat treatment and welding technology with the development of technology. Weld properties can be controlled. Elongation of straight seam resistance welding pipe is higher 8% -10% than seamless tube, which is mainly carbon ratio of straight seam electric resistance welded steel pipe less about 1/2 than seamless tube.

3, Anti-ulcer ability squeeze
High concentricity straight seam resistance welding pipe wall thickness uniformity. Weld heat treatment, metal homogeneous, and therefore have a higher resistance to collapse collapse capability.

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