Product Name | Factory Direct gi hollow square pipe |
Material | Q215-A~Q275-A 10# -50# 16Mn,5MnV,09MnV 40Cr,30CrMnSi,45Mn2,40MnB |
Surface | Galvanized |
Technique | Hot rolled/cold rolled /cold drawn /seamless/erw |
Dimension | OD :5mm-630mm Thickness :0.25mm-75mm |
Application | Oil/gas pipe ,aerospace use,machine parts ,furnace ,geological exploration,acid resistance ,bearing |
Surface | Coated /galvanized /black |