What is Aluzinc Steel Coil?
55% Aluzinc steel coils, also known as Galvalume or Aluminium-Zinc alloy coated steel, are a type of steel coated with an alloy comprising approximately 55% aluminum, 43.4% zinc, and 1.6% silicon. This unique coating provides a combination of the excellent corrosion resistance of aluminum and the galvanic protection of zinc, making it a superior material for various applications.
Composition:
- Aluminum (55%): Provides exceptional corrosion resistance by forming a protective layer of aluminum oxide.
- Zinc (43.4%): Offers sacrificial protection, similar to traditional galvanized steel, protecting the steel substrate by corroding preferentially.
- Silicon (1.6%): Enhances adhesion of the coating to the steel and helps maintain the integrity of the alloy layer during fabrication.
Reasons for Popularity of Aluzinc Metal Tiles in Brazil
1. Corrosion Resistance:
- Benefit: Aluzinc metal tiles offer excellent corrosion resistance due to their aluminum-zinc coating.
- Relevance: Brazil's diverse climate, which includes humid, coastal, and tropical regions, can be harsh on roofing materials. The corrosion resistance of Aluzinc metal tiles ensures longevity and durability in these environments.
2. Durability:
- Benefit: The combination of aluminum and zinc provides a robust protective layer that enhances the lifespan of the tiles.
- Relevance: Brazilian buildings benefit from durable materials that can withstand heavy rains, high humidity, and intense sunlight without deteriorating quickly.
3. Thermal Reflectivity:
- Benefit: Aluzinc metal tiles have high thermal reflectivity, which helps in reducing heat absorption.
- Relevance: This property is particularly advantageous in Brazil's hot climate, as it helps in keeping buildings cooler and reduces the need for air conditioning, leading to energy savings.
4. Aesthetic Appeal:
- Benefit: These tiles come with a visually appealing finish and can mimic the look of traditional roofing materials while offering modern benefits.
- Relevance: The aesthetic versatility of Aluzinc metal tiles makes them popular for both residential and commercial buildings in Brazil, enhancing curb appeal while providing functional benefits.
5. Lightweight:
- Benefit: Aluzinc metal tiles are lightweight compared to traditional roofing materials like clay or concrete tiles.
- Relevance: This reduces the structural load on buildings, which is beneficial for both new constructions and renovations, especially in regions prone to earthquakes or where older buildings may have structural limitations.
6. Fire Resistance:
- Benefit: The non-combustible nature of Aluzinc metal tiles provides excellent fire resistance.
- Relevance: In Brazil, where fire safety is a concern, especially in densely populated urban areas, using fire-resistant roofing materials adds an extra layer of protection.
7. Low Maintenance:
- Benefit: The durable coating on Aluzinc metal tiles requires minimal maintenance.
- Relevance: This is an important factor for homeowners and property managers in Brazil, where maintaining buildings can be challenging and costly.
8. Environmental Considerations:
- Benefit: Aluzinc metal tiles are recyclable and often made from recycled materials.
- Relevance: With increasing awareness of environmental sustainability, Brazilian consumers and builders are inclined towards eco-friendly building materials.
9. Cost-Effectiveness:
- Benefit: Despite their superior qualities, Aluzinc metal tiles are cost-effective in the long term due to their durability and low maintenance requirements.
- Relevance: The cost-effectiveness makes them an attractive option for a wide range of projects, from low-income housing to high-end residential and commercial buildings.
Summary
The popularity of Aluzinc metal tiles in Brazil can be attributed to their corrosion resistance, durability, thermal reflectivity, aesthetic appeal, lightweight nature, fire resistance, low maintenance, environmental benefits, and cost-effectiveness. These attributes make them an ideal choice for the Brazilian market, addressing the specific needs posed by the country's diverse climate and construction challenges.
1. Corrugated Steel Tiles
- Description: These are traditional roofing sheets with a wavy pattern, offering good water drainage and aesthetic appeal.
- Applications: Used for industrial, commercial, and residential roofing.
2. Trapezoidal Steel Tiles
- Description: Featuring a trapezoidal shape, these tiles provide excellent strength and durability.
- Applications: Ideal for industrial buildings, warehouses, and large commercial structures.
3. Tile-Effect Steel Tiles
- Description: Designed to mimic the appearance of traditional clay or concrete tiles while providing the benefits of steel.
- Applications: Popular in residential buildings and commercial buildings for aesthetic purposes.
4. Standing Seam Steel Tiles
- Description: These tiles have a raised seam running vertically up the roof, providing a sleek, modern look and superior weather resistance.
- Applications: Used in contemporary residential buildings and high-end commercial projects.
5. Sandwich Panel Steel Tiles
- Description: Composed of a core insulating layer sandwiched between two steel sheets, offering excellent thermal and acoustic insulation.
- Applications: Used in cold storage, warehouses, and buildings requiring temperature control.
Category |
Details |
---|---|
Thickness Range | 0.14 mm - 2.00 mm |
Width Range | 600 mm - 1500 mm |
Coil Weight | Up to 25 tons |
Coil Inner Diameter | 508 mm / 610 mm |
Coating Composition | 55% Aluminum, 43.4% Zinc, 1.6% Silicon |
Coating Weight | AZ50 - AZ200 (50 g/m² - 200 g/m²) |
Surface Finish | Regular Spangle, Mini Spangle, Zero Spangle |
Surface Treatment | Chromated, Non-Chromated, Oiled, Dry, Anti-fingerprint |
Mechanical Properties | |
- Yield Strength | 300 - 550 MPa |
- Tensile Strength | 300 - 600 MPa |
- Elongation | 10% - 30% (depending on grade) |
Spangle | Regular, Minimised, Zero |
Coil Length | Custom lengths based on customer requirements |
Standard Compliance | ASTM A792, JIS G3321, EN 10346 |
Applications | Roofing, Siding, HVAC, Appliances, Automotive, Agricultural Equipment, Industrial Components |
Index |
Regular spangle |
Zero spangle |
Galvanized Steel Coil/Sheets |
Galvanized Steel Coil/Sheets |
|
Thickness |
0.13-2.50mm |
0.20-2.0mm |
Width |
600~1500mm |
600~1500mm |
Zinc Coating |
Z30~Z400 g/㎡ |
Z30~Z275 g/㎡ |
Surface Treatment |
Passivated / Chromated 6+,3+, Free; |
Skin passed, Chromated 6+, 3+, Free |
Oiled |
Oiled, AFP (anti-finger print) |
|
Steel Grade |
DX51D/52D/53D/ |
DX51D/52D/53D/ |
S250GD/280GD/350GD/550GD |
S250GD/280GD/350GD/550GD |
|
ASTM A653M, SS255-SS550 |
ASTM A653M, SS255-SS550 |
|
JIS G3302-SGCC, SGCH (Full hard-G550) |
JIS G3302-SGCC, SGCH (Full hard-G550) |
|
Coil I.D. |
508 / 610 mm |
508 / 610 mm |
Coil weight |
2 ~ 20 tons |
2 ~ 20 tons |
Packaging |
Standard export packing ( Eye to Side) |
|
Vertical Packing ( Eye to Sky) with wooden pallet |
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Horizontal Packing ( Eye to Side) with wooden pallet |
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MOQ. |
16 tons |
16 tons |
Loading port |
Tianjin / Qingdao / Rizhao port |
|
Usage |
Purlins, light steel frame, ventilation duct, downpipe, round pipe, square pipe, roof panel, corrugated sheets. |
Coated steel coil production, household appliances ( pre-coated metal PCM) |
Roof panel, corrugated sheets |
Application |
Steel Grade |
Standard |
Function & Characteristics |
Stamping Steel China Steel Grade |
DX51D+Z, DX51D DX52D+Z, DX52D DX53D+Z, DX53D DX54D+Z, DX54D |
GB/T 2518 |
Including materials for general use, mechanical biting(LFQ Lock Forming quality), deep drawing, and ultra deep drawing. The coating and welding performance of alloying hot-dip galvanizing are superior. |
Structural Steel |
S250GD+Z, S250GD |
GB/T 2518 |
Structural steel is generally used for important purposes such as load-bearing, and is often used in steel structure projects, with good corrosion resistance and processing performance |
S280GD+Z, S280GD |
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S350GD+Z, S350GD |
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S450GD+Z, S450GD |
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S500GD+Z, S500GD |
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S550GD+Z, S550GD |
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