1)Product:carbon steel profile square pipe 2)WT:0.7mm-13mm 3)Material:Q195~Q345 4)Length:1m-12m 5)Size:15*15mm-400*400mm carbon steel profile square pipe1)ApplicationsWater Pipelines, Waste waterlines , Water supply mains Deep tube wells casing pipes, Gas/Natural gas pipe lines, Oil pipe lines, Industrial Purposes, Sewerage system, Industrial water lines/plant piping, Vehicular chassis and frames ...