... structure warehouse/ workshop2. Steel Material: Q235B and Q345B3. Connection Type: bolted connection.4. Preservative Treatment: painted5. Advantages: fast ... different thickness(50mm,75mm,100mm, 200mm), density, color, type, etc.b. Single color corrugated steel sheet( Steel ... , for example, steel bracket, bolts, self-drilling screw, rivet, inter and outer cullis, rainspout, trimming sheet, glass cement ...