Tipo de acero aluminizado 2
Tipo de acero aluminizado 2 is designed primarily for corrosion protection rather than extreme heat resistance. Its nearly pure aluminum coating offers excellent weatherability, long service life, and strong resistance to atmospheric corrosion. These characteristics make it an ideal choice for construction, agricultural, and industrial applications requiring durable and low-maintenance steel products.
- Descripción
Descripción
Tipo de acero aluminizado 2 is a carbon steel product coated with commercially pure aluminum through a hot-dip process. Unlike Type 1, which contains an aluminum-silicon alloy coating, this grade uses nearly pure aluminum to provide superior atmospheric corrosion resistance. It is widely used in construction, storage equipment, agricultural facilities, and outdoor structures where long-term durability is required.
Composición del recubrimiento
The coating of Aluminized Steel Type 2 mainly consists of aluminum with minimal alloying elements.
| Elemento | Contenido típico (%) |
|---|---|
| Aluminio (Alabama) | ≥99 |
| Silicio (Y) | Rastro |
| Hierro (fe) | Small amount from diffusion layer |
The high-purity aluminum coating forms a dense oxide film on the surface, protecting the steel substrate from corrosion and weather exposure.
Propiedades mecánicas
Mechanical properties are determined primarily by the base steel rather than the aluminum coating.
| Propiedad | Valor típico |
| Resistencia a la tracción | 270–450 MPa |
| Fuerza de producción | 140–300 MPa |
| Alargamiento | 20–40% |
| Dureza | 55–85 HRB |
The material maintains good formability and can be processed through bending, roll forming, estampado, y soldadura.
Características clave de rendimiento
Excelente resistencia a la corrosión
The pure aluminum coating provides excellent protection against moisture, oxidación, and industrial atmospheres. This makes the material suitable for outdoor applications and environments exposed to humidity.
Larga vida útil
A stable aluminum oxide layer continuously protects the surface from further corrosion, helping extend the lifespan of structures and fabricated components.
Good Weather Resistance
The coating performs well under long-term exposure to rain, sunlight, and temperature fluctuations. It maintains surface integrity better than ordinary carbon steel.
Excellent Heat Reflectivity
The bright aluminum surface reflects radiant heat efficiently, helping reduce heat absorption in buildings and industrial equipment.
Aplicaciones típicas
Tipo de acero aluminizado 2 is commonly used in:
- Roofing and wall panels
- Grain silos and storage tanks
- Agricultural buildings
- equipos de climatización
- Sistemas de ventilación industriales
- Armarios electricos
- Outdoor enclosures
- Construction components
- Solar equipment supports
- Corrosion-resistant structural parts
Tipo 1 vs. Tipo 2 Comparación
| Propiedad | Tipo 1 | Tipo 2 |
| Revestimiento | Aluminum-Silicon Alloy | Aluminio puro |
| Resistencia al calor | Excelente | Bien |
| Resistencia a la corrosión | Very Good | Excelente |
| Resistencia a la oxidación | Excelente | Very Good |
| Exhaust System Use | Común | Extraño |
| Building Applications | Limitado | Común |
