... tube 3.Size:thickness:1mm-25mm 4.Length:6m 2013 HIGH QUALITY AQUARE RETANGULAR STEEL PIPE 1.Grade:Q195, Q235B, Q235C, Q235D ... -600*600mm, Section:35*15mm-600*400mm Application Mechanical equipment, solar energy equipment, steel structure, auto part, bridge pile foundation, barrier ... Visit:About us: Our products are very popular because of high-quality and reasonable price. As we have been in this area ...