... welded pipes, all of these pipes are durable in different field Square & Rectangular steel pipes are made with good-quality hot ... and smooth surface. These products are suitable for metal structure, container manufacturing, building engineering, fitness equipment, furniture, motor and other ... SIZE6) Steel grade:Q195-Q345,SPHC,08AL,M87) Packing :in bundles with PVC gunny, no more than 2tmetric tons ...