Galvalume is an ideal building material, whether it is a renovation or a new project, traditional or avant-garde design, can meet the aesthetics and practicality of the building's appearance. As ODM Stone Coated Metal Roofing and curtain wall materials, 85% of the roofs in Paris, France use titanium-zinc materials. Zinc roofs have appeared in films, photographic works of art and paintings for many times, and galvanized steel sheets have become a symbol of modern Paris. In recent years, in the Americas, Australia and Asia, galvanized steel sheets can be seen from private houses to public buildings, such as airports, opera houses, convention centers, stadiums and museums.
Galvalume-galvanized steel sheet is smelted from high-grade electrolytic zinc with a purity of 99.99% and precise quantitative copper and titanium, which greatly improves the processing performance and mechanical properties of zinc, and the quality is also better. Galvalume-coated steel sheets are pre-passivated and have a multi-tone gray surface that harmonizes with all building materials. The service life of its raw materials can reach 80-100 years, which makes people full of confidence and prospects for the appearance of the building.
The galvanized steel sheet for roof and wall is smelted with high-purity metal zinc (99.995%) and a small amount of aluminum and zinc that meet the European quality standard EN1179. The content of aluminum is 0.06%-0.20%, which can improve the resistance of the steel sheet. Creep property, the content of zinc is 0.08%-1.00%, which is used to increase the hardness of the alloy. Zinc is an exceptionally durable metallic material that is naturally resistant to corrosion. A dense passivation protective layer can be formed on the surface, so that zinc can maintain an extremely slow corrosion rate. Experimental detection and tracking show that the corrosion rate of zinc is less than 1 micron per year, and the 0.7 mm galvanized steel sheet can be used for nearly 100 years. The wound can recover automatically. The wound surface recovers 0.001μ within one day, and the thickness can rise to 0.005μ after one day, and rise to 0.01μ after 20 days. All self-preserving metals can maintain the luster of the metal for a long time.
The thickness of galvanized steel sheets for roof and wall is 0.5-1.0 mm, and the weight is 3.5-7.5 kg/square meter. For example, the weight of 0.82 mm-thick galvanized steel sheet is only 5.7 kg/square meter. The Sand Coated Roofing Sheet material is extremely light and has basically no impact on the roof structure. The breaking strength of galvanized steel plate for roofing is 16 kg/mm2, the elongation is 15-18%, the modulus of elasticity is 1.5×105 MPa, and the density is 7.15.
Advantages of galvanized steel sheet:
1. Durable: the service life of galvanized steel plate can reach 80-100 years.
2. Strong self-healing ability.
3. Easy to maintain.
4. The scope of application is wide.
5. Strong jzroof wholesale Stone Coated Metal Roofing must use galvanized steel sheets.