1.Steel Structure Workshop Materials
Beam and post: GB Q235/Q355B grade, welded H steel section.
Sub steel structure: GB Q235B grade, steel bar, pipe, angle steel, etc.
Purlin: Galvanized C section.
Maintenance: Roof, wall, skylight
The minimum size of the fillet welding for any which not defined in the
drawings shall be 6mm with full welding.
2.Fasteners( bolts and nuts) for jointing
High Strength bolts 10.9 grade used to connect the Steel Columns and pressure type high strength bolts 10.9 grade used to connect the constructional elements.
3. Derusting and painting
Shot blasting to 2.5 and Applying of Paint with following
1st coat of Primary anti-rust paint 30 microns
2nd coat of Primary anti-rust paint 30 microns
4. Loads
Roof dead load: 0.25 kN/m 2
Roof live load: 0.3 kN/m 2
Wind speed or wind load: 80~110 km/h
Steel structure worshop material component
Main Steel Frame | H section steel | Q235/Q355 grade steel 8mm/10mm |
Welding | Automatic submerged arc welding | |
Rust removal | Shot blasting Sa 2.5 | |
Surface processing | Alkyd painting or galvanized | |
Intensive bolt | Grade 10.9 | |
Sub Steel Frame | Angle brace | L50x4, Steel Q235, processed and painted |
Cross support | Φ20, Steel Q235, processed and painted | |
Tie rod | Φ89*3, Steel Q235, processed and painted | |
Bracing | Φ12, Steel Q235, processed and painted | |
Standard bolt | Galvanized bolt | |
Roof | Purlin | C#160,C#180,C#250, galvanized |
Roof panel | Insulated sandwich panel or corrugated steel plate | |
Skylight panel | 2.0mm FRP | |
Accessories | Glass cement, self-tapping screws,etc | |
Flashing/Trimming | Sheet steel profile | |
Gutter | Galvanized sheet steel profile | |
Water pipe | Φ110 PVC | |
Walls | Purlin | C#160,C#180,C#250, galvanized |
Wall | Insulated sandwich panel or corrugated steel plate | |
Accessories | Glass cement, self-tapping screws,etc | |
Flashing/Trimming | Sheet steel profile | |
Ventilation | Axial fan | |
Doors | Rolling door/sliding door | Automatic or manual |
Windows | Sliding/fixed/shutter | Aluminum or PVC window frame |