Spiral steel pipe or ssaw steel pipe feature
Time:2012-12-16 12:06 Click:times
Usually strength of spiral pipe is higher than the straight seam pipe. He can use narrower material to produce bigger welding pipe, and can use the same width of raw material to produce different diameter welding pipes.
Usually strength of spiral pipe is higher than the straight seam pipe. He can use narrower material to produce bigger welding pipe, and can use the same width of raw material to produce different diameter welding pipes.
