... ,Q235 3.Size:0.7--3mm 4.Used for:upvc door and window Namesteel lining,steel angles,steel framing ,metal frames,The doors ... Size According To The Contract.Steel MaterialQ195-Q235TypeC,L,U,or Profiled steel angle.ApplicationThe doors and windows strengthen steel.SurfaceBared Or Painted, Galvanized ... ' Requirements.PortTianjinDelivery TimeWithin 15 days(30% in advance) c type channel steel