GBT9711 L320/X46 PSL1 LSAW Pipeline has good mechanical properties and chemical properties,GBT9711 L320/X46 PSL1 LSAW Pipeline is mainly used in natural gas pipe, tubing, water pipe, steel structure, chemical industry, air conditioning, heat pipe, urban construction pipe, its surface can be painted black painting, antiseptic oil, 3PE, FBE, EPOXY coating.