Détails essentiels
Expédition:快递
Introduction du produit
The characteristics of galvanized I steel: 1. Strong corrosion resistance: the thickness of hot-dip galvanized layer can reach more than 300 m; 2. Good plasticity and toughness: no deformation in cold bending; 3. High strength: it can be used as the load-bearing framework of ceiling enclosure plate. 4. Good fire resistance: high melting point (1000 ° C), strong fire resistance; 5. Long service life: ≥ 100 years. 6. Flexible and fast installation: short construction period. 7. The color is bright and durable, without surface decoration