1. H metal bending,Max 12 meters, very precise afterwards 2. Max Thickness can ... , Q345b 1. Material: Q235, Q195, Q345, etc;2. The huge tube are used on bridge, steel construction for factory, structural roof ... ;3. Our hydraulic machinery for bending is 2,500T;4. The maximum of the diameter of tube can be 1,500mm, the ... : Sandblast, paint, or hot dip galvanized are possilbe H steel tube bending