Galvanized Steel

2 year ago

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HANNSTAR INDUSTRY

 2 year year

Product details

This premium-grade galvanized steel coil combines DX51D structural strength with SGCC (JIS G 3302) corrosion resistance, ideal for precision-forming applications

Galvalume Steel: The preferred engineering choice for high-performance protection
Aluminized zinc steel sheet adopts a coating of 55% aluminum - 43.4% zinc - 1.6% silicon alloy, and a dense metallurgical bonding layer is formed through the hot-dip galvanizing process. Its corrosion resistance is 3 to 6 times that of ordinary galvanized steel plates. It can remain rust-free for up to 1000 hours in salt spray tests and is suitable for outdoor highly corrosive environments such as industrial plants and photovoltaic brackets. The high heat resistance (315℃) of the aluminum-zinc alloy layer makes it an ideal material for high-temperature exhaust systems. Meanwhile, its light reflectivity is over 75%, which can significantly reduce the heat load on the building roof.

Galvanized Steel: An economical choice for standardized applications
The hot-dip galvanizing process provides basic anti-corrosion ability for steel through the sacrificial anode protection mechanism of the zinc layer. The conventional galvanized coating (80-275g/m²) can meet the requirements of moderately corrosive environments such as indoor structures and civil buildings, and its cost is 20%-30% lower than that of aluminized zinc steel plates. Its excellent weldability and formability make it the mainstream material for standardized products such as light steel keels and home appliance shells, especially suitable for large-scale manufacturing scenarios that are sensitive to cost.

Aluminum Coil/Pipe/Plate: The core carrier of the lightweight revolution
Aluminum alloy materials achieve the optimal balance between strength and weight through alloying (such as the 6061 and 7075 series) and heat treatment processes. The tensile strength of 7075-T6 aluminum alloy reaches 572MPa, and its weight is only one-third that of steel. It is widely used in aerospace structural components and the chassis of new energy vehicles. The surface of aluminum products can be treated with anodic oxidation, electrophoretic coating and other methods to form a wear-resistant protective layer of 10-25μm thick, meeting the decorative and protective requirements of building curtain walls and interior decoration of rail transit.

Stainless Steel: The ultimate solution for extreme environments
Different grades of stainless steel (such as 304, 316, 904L) achieve precise control of corrosion resistance and mechanical properties through the proportion of elements such as chromium, nickel, and molybdenum. 316L stainless steel, with a 2% molybdenum content, demonstrates outstanding resistance to pitting corrosion in a chloride ion environment and has become the standard material for Marine engineering and food processing equipment. 904L super stainless steel is suitable for highly corrosive chemical scenarios such as sulfuric acid and phosphoric acid. Its biocompatibility makes grades such as 316L and 444 the preferred choice for medical implantable devices.

Aluzinc Steel: A pioneering material for the circular economy
Aluzinc Steel continues the alloy formula advantages of Galvalume Steel and combines the closed-loop recycling technology to achieve 100% recycling and regeneration. Its "self-healing" coating can re-form a protective film through zinc oxidation after being damaged, extending its service life by more than 30%. In fields such as prefabricated buildings and logistics turnover boxes, its modular design and reusable features effectively reduce the total life cycle cost and contribute to the goal of green construction.

Prepainted Steel: An Innovative fusion of functionality and aesthetics
Color-coated steel plates are coated with organic coatings such as polyester (PE) and fluorocarbon (PVDF) on the surface of the steel plates by continuous roller coating process. PVDF coating, with a fluorine content of over 70%, achieves more than 30 years of weather resistance and is suitable for high-rise building curtain walls. The HDP high-weather-resistant polyester coating meets the appearance requirements of industrial plants and residential buildings with a higher cost performance. The coating can integrate functions such as anti-fingerprint and easy cleaning, and at the same time supports CMYK full-color gamut customization to meet the personalized needs of architectural design.

In engineering practice, material selection needs to comprehensively consider environmental corrosiveness, design life, processing technology and budget constraints. These six major metal materials form a complete solution matrix. Whether it is a cutting-edge project pursuing ultimate performance or a conventional project emphasizing cost-effectiveness, the best technical and economic indicators can be achieved through scientific combination.

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