GBT9711 L175P/A25P PSL1 LSAW Pipeline is used for hot-rolled process, L175P/A25P PSL1 LSAW Pipeline's surface can be painted black paint, anti-corrosion oil or according to customer requirements,GBT9711 L175P/A25P PSL1 LSAW Pipeline is mainly used in crude oil, petrochemical raw materials, product transmission, oil pipeline, onshore and offshore long pipeline.