HXSCO: Your Trusted Galvalume Steel Supplier
Galvalume Steel is an advanced metallurgical technology. It combines the strength and formability of steel with the corrosion resistance of an aluminum-zinc alloy coating. The Galvalume coating process involves continuously hot-dip coating cold-rolled steel substrates in a molten bath containing 55% aluminum, 43.4% zinc, and 1.6% silicon. This creates a metallurgical bond between the coating and the steel substrate, forming multiple layers of intermetallic compounds.
We employ advanced aluminum-zinc coating technology to ensure coating quality compliance with international standards such as ASTM A792, JIS G3321, and EN 10346. With decades of experience in metallurgy and surface treatment technology, HXSCO provides high-quality aluminum-zinc coated steel solutions. Our comprehensive Galvalume Steel product range covers various grades, specifications, and custom solutions to meet the needs of industries such as construction, automotive, agriculture, and manufacturing.
Specifications of Galvalume Steel
| Item |
Specification Range |
|---|---|
| Thickness |
0.20 mm – 2.00 mm |
| Width |
600 mm – 1250 mm |
| Coating Mass |
AZ50 – AZ200 (g/m²) |
| Surface Finish |
Dry / Oiled / Chromated / AFP (Anti-Fingerprint) |
| Material Grade |
G550, G350, SGLCC, etc. |
| Standards |
ASTM A792 / JIS G3321 / EN |
Advantages Of Galvalume Steel
- Corrosion Protection: Compared to traditional galvanized steel, galvanized steel offers 2-4 times better corrosion resistance. The aluminum component forms a stable oxide layer, providing excellent barrier protection, while the zinc component provides electrochemical protection and self-healing properties.
- Longer Service Life: Galvanized steel can last up to 40-50 years, resulting in lower maintenance costs and a higher lifetime value.
- Heat Resistance: Galvanized steel can withstand sustained operating temperatures up to 315°C (600°F) without significant degradation of coating performance.
- Formability: Galvanized steel exhibits excellent formability, allowing for complex forming operations without damaging the coating. The galvanized coating exhibits good ductility and is resistant to cracking during processing.
- Self-Healing: The zinc component in the coating has self-healing properties, effectively controlling edge rust formation and extending service life.
- Aesthetics: Galvanized steel offers a bright, attractive appearance that maintains its visual appeal over time. The coating’s reflective properties also contribute to energy efficiency in roofing applications.
- Cost-effectiveness: The initial cost of galvanized steel is higher than that of galvanized steel, but it has a longer service life and lower maintenance costs.
Galvalume Steel vs. Galvanized Steel
Galvanized and galvanized steel sheets each have their unique characteristics in terms of corrosion resistance, lifespan, heat resistance, formability, and cost. Galvanized steel sheets offer 2-4 times greater corrosion resistance than galvanized steel sheets, with a service life of up to 40-50 years. Furthermore, galvanized steel sheets offer improved heat resistance, making them suitable for high-temperature environments. Galvanized steel sheets, on the other hand, offer superior formability, making them suitable for complex machining. Although galvanized steel sheets have a 10-20% higher initial cost, their longer lifespan and reduced maintenance requirements result in lower overall lifecycle costs.
Galvalume steel Applications
Galvalume steel offers excellent corrosion resistance, strength, and aesthetics. It is widely used in construction, industry, and agriculture. Its weather resistance and design flexibility make it a popular choice for roofing systems, wall cladding, and structural components in construction. Its durability and excellent workability make it a popular choice for industrial applications such as equipment, HVAC systems, and transportation components. In agricultural environments, it is used for buildings, machinery, and greenhouse structures. Galvalume steel resists corrosion from moisture, chemicals, and organic matter, ensuring long-term, stable performance.
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