1. Description
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.
2. Aluzinc metal tiles are highly popular in the Brazilian market
due to several key factors that make them well-suited for the
region's climate and construction needs. Here are the primary
reasons for their popularity:
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.
3. Types of steel tiles
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 |
Horizontal Packing ( Eye to Side) with wooden pallet |
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 |
S350GD+Z, S350GD |
S450GD+Z, S450GD |
S500GD+Z, S500GD |
S550GD+Z, S550GD |
