What are the fabrication and corrosion protection requirements for SGCC ventilation ducts in buildings?
Formed using bending and interlocking processes, with sealed seams; the interior must be coated with anti-corrosion paint, and the exterior galvanized layer must be intact to prevent corrosion from oil fumes and moisture, extending service life.
What are the design and installation points for SGCC building railings?
Use 1.0-2.0mm thick plates, bend and weld them together, then spray anti-corrosion paint on the surface; galvanized embedded parts must be used to fix the posts to the ground to prevent bottom corrosion.
What are the differences and selection criteria between SGCC and color-coated steel sheets for building construction?
SGCC is a basic galvanized sheet that can be painted later; color-coated steel sheets are an integrated galvanized and coated product. Color-coated steel sheets are preferred for exterior building components, while SGCC is chosen for components requiring on-site processing.
What are the application precautions for SGCC in damp building environments (such as basements and kitchens)?
Select products with a high zinc coating (≥275g/m²), and apply waterproof and anti-corrosion treatment to the surface to avoid long-term water accumulation; ventilation ducts need to have an additional insulation layer to prevent condensation corrosion. What are the functions and construction requirements of SGCC embedded waterstop steel plates in construction?
For waterproofing concrete construction joints, 0.8-1.5mm thick SGCC plates should be selected. During installation, they should be placed in the center, with an overlap length of ≥50mm, and welded firmly to ensure waterstop effect.