钢结构的讲习班

Steel structure workshop: Specs: Steel frames: Q235, Q345, etc.Roof andWall panels: steel plates of 0.4, 0.5mm, or EPS/PU sandwich boards of 50mm, 75mm, 100mm. A. The main structure (welding H section steel) 1. Steel material: Q345, Q235. 2. Welding type: auto-submerged arc welding and CO2 shielded welding. 3. Derusting grade: Sa 2.5 grade in china. 4. Preservative treatment: two layer primer and two layer. Paint light gray (total thickness: 100-120um). B. The secondary structure (C purlin, steel bracing, tie-bar, knee-brace, support for steel beam and column, etc). 1. steel material: Q235. 2. method of production cutting, forming, drilling, CO2 welding, de-rusting, painting, etc. 3. Derusting grade: Sa 2.5 grade in China. 4. preservative treatment: two layer primer and two layer epoxy paint light gray (total thickness: 100-120um). C. EPS sandwich panel for Roof. 1. Panel type: 970, 950. 2. Galvanized steel sheet: 60-70g/. 3. Outside (corrugated steel sheet): 0.3/0.4/0.5/0.6mm. 4. Inside (corrugated steel sheet): 0.3/0.4/0.5/0.6mm. 5. density of EPS: 8kg-12 kg/. 6. Color of steel sheet: sea blue, white grey and bright red. Price terms: FOB, CIF, C&F Payment: T/T, L/C