What is LSAW and SSAW Pipe?
The two main types of LSAW pipes are the longitudinal (with a single or double straight seam weld, DSAW) and the spiral type (called, HSAW, SSAW or SAWL pipe). Spiral steel pipes and straight seam steel pipes are currently widely used in water pipelines, construction and other industries, but there is a big difference between the two. 1.