... Size:thickness:1mm-25mm 4.Length:6m 2013 HIGH QUALITY AQUARE RETANGULAR STEEL PIPE 1.Grade:Q195, Q235B, Q235C ... -600*400mm Application Mechanical equipment, solar energy equipment, steel structure, auto part, bridge pile foundation, barrier, ... . smooth delivering procedure Contact Us: Tianjin Huaanxuyang Steel Trade Co.,LtdSally meng QQ:960191399SkypeMeng_zhaohuanTelephone15022160557E-mailsally.meng@ ...