Spiral seam welded steel pipe, abbreviated as spiral steel pipe, is one of the common steel pipe products in fluid transportation pipelines such as oil, natural gas, water, hot water, sewage, steam, air, etc. Its English name is SSAW Pipes. When L245 is used as the material for spiral seam welded steel pipes, it is mainly used for pipeline steel pipes in petroleum and natural gas industry systems, and can also be used for water transmission engineering.