Galvalum Steel Coil

Main product description

Galvalume is a coating consisting of zinc, aluminum and silicon that is used to protect a metal (primarily steel) from oxidation. It is similar to galvanizing in that it is a sacrificial metal coating which protects the base metal.

Galvalume Steel:The ultimate form of alloy protection
By molecular metallurgy process, 55% aluminum, 43.4% zinc and 1.6% silicon are fused and cast into nanoscale honeycomb alloy layer, the corrosion resistance reaches 5 times that of traditional galvanized sheet, and can still maintain more than 25 years of service life in the environment of salt spray concentration exceeding 3 times the national standard. At 300℃, the intensity attenuation is only 3%, and the thermal reflectivity of 75% can reduce the building energy consumption by 40%. From photovoltaic brackets to high-end home appliance housings, aluminum-plated zinc steel has become a benchmark material in industrial and civil fields with its long-term protection and energy saving advantages.

Galvanized Steel:The intelligent evolution of 100 years of craft
Based on AI dynamic zinc control system, the precision control of hot-dip galvanizing and electrogalvanizing can be realized at nanometer level. The original self-healing zinc shield technology automatically triggers ion migration when the coating is damaged, and completes the reconstruction of the protective layer in 0.1 seconds. Widely used in bridge steel structure, automobile chassis and other fields, with excellent weldability and cost efficiency, continue to build a solid foundation for modern industry.

Aluminum Coil:Aviation grade lightweight revolution
Using the same origin manufacturing process of aerospace aluminum, the aluminum grain is refined to 30 nm, the strength-to-weight ratio exceeds 220MPa · m³/kg, and the weight is only 1/3 of that of steel. The surface composite nano-ceramic coating, self-cleaning, anti-fingerprint, electromagnetic shielding three functions in one, after 100,000 wear tests are still as clean as new. From the curved shape of the super high-rise curtain wall to the new energy vehicle battery tray, the aluminum coil reshapes the design and functional boundaries with extreme lightness and super toughness.

Stainless Steel:A model of molecular precision manufacturing
By using EAF+AOD refining technology, the ratio accuracy of Ni-Cr alloy was controlled within 0.01% error range, and the crystal structure was optimized by molecular dynamics simulation. Medical grade stainless steel implanted silver ion antibacterial layer, antibacterial rate of 99.99%; Deep-sea grade stainless steel can withstand 1100 atmospheres and the shape variable is less than 0.1%. From food equipment to Marine engineering, every stainless steel product is a perfect blend of corrosion resistance and high-end aesthetics.

Nickel Strip:Nanoscale precision performance engine
The ultra-precision nickel strip with purity of 99.9999% and thickness tolerance of ±0.003mm was produced by electron beam continuous purification technology. Its 0.0008Ω · mm²/m ultra-low resistivity and **-200℃ to 600℃ wide temperature range adaptability ** *, in the new energy battery connection to improve the charge and discharge efficiency of 15%, in the semiconductor package to achieve zero delay signal transmission, become the core material of cutting-edge technology.

Prepainted Steel:The aesthetic revolution of digital color
The world's first AI spectrum matching coating production line to achieve nanoscale accurate reduction of 2000 + Pantone color numbers. The coating is made of memory alloy material, which automatically reorganizes molecular structure when scratched, and completes self-repair within 5 minutes; Photochromic technology can change colors with ambient light. From the dynamic curtain walls of art venues to the popular appearance of home appliances, color-coated steel is empowered by technology to redefine industrial aesthetics.

We rely on Industry 4.0 smart factory to build a full-link digital control system from raw materials to finished products, and each product passes 128 rigorous testing processes. With a global intelligent logistics network and 24-hour technology think tank, we provide customers with one-stop services from material selection, customized processing to full life cycle maintenance. Join us to go to the future era of metal materials!

Product Description

Large Spangles

With the naked eye can distinguish the diameter of more than 3mm spangles called Large Spangles, also known as normal spangles or natural spangles. The best size recognized internationally is 8~12mm.

Small Spangles
The spangles diameter 1~2mm called Small Spangles. When the hot galvanized sheet comes out from the zinc pot, to the zinc layer without solidification spray or zinc powder, a water droplet, a zinc powder particles will form a crystallization center, so that the number of spangles per unit area increases and becomes smaller, so the galvanized surface will form small identifiable spangles with the naked eye.
Zero Spangles
The Coil can not see the Spangles with the naked eye, known as Zero Spangles, this is accomplished by controlling the chemical composition of zinc liquefaction. Hot dip galvanizing only adds a certain amount of aluminum to the zinc liquid, without adding lead, antimony, tin, can produce zero spangle products.

Product application

Package：
Standard Exported Package: We will choose the package according to the characteristic of product and the delivery way, trying our best to protect the order in good condition.
Shipping:
1.     We ship to worldwide.
2.     For sample quantities, we will ship the parts within 1-5 workdays after payment is received.
3.     Products can be delivered according to customer service requirements.
4.     We are not responsible for any accidents, delays or other issue that are the responsibility of the shipping service. 

Company Profile

Hannstar Co., Ltd prioritizes quality, reputation, and integrity, aiming to offer top-notch steel products and services while maintaining high ethical standards. Our commitment is promptly delivering products and services, understanding customer needs, and continuously improving. We embrace a customer-centric philosophy and seek to establish a renowned corporate brand through quality and exceptional service. Ensure users' interests, do business with mutual benefit, and make friends sincerely.

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