Large diameter straight seam submerged arc welded (LSAW) steel pipes are primarily used for the transportation of various media, including oil, gas, coal, and slurry, both offshore and onshore. The international manufacturing techniques for these pipes vary in method and characteristics. Current ...
When selecting steel pipes for large-scale oil, gas, and water transmission projects, two common types are ERW (Electric Resistance Welded) pipes and LSAW (Longitudinal Submerged Arc Welded) pipes.Each type has distinct features, manufacturing processes, and application scenarios. At Haihao Grou ...
