galvanized steel plate
Searching for galvanized steel plates ideal for outdoor covered structures? Look no further. As a trusted direct factory with 20 years of experience, GNEE Steel specializes in DX51D+Z200 galvanized steel plate-the top choice for covered outdoor applications. In this guide, we'll explain its outdoor-specific advantages and provide technical details to support your projects.
Galvanized steel plate
Outdoor covered structures (e.g., carports, awnings, covered walkways) need materials that resist humidity, rain splashes, and occasional weather exposure. DX51D+Z200 is tailored for this need.
Its Z200 coating (200g/m²) offers stronger protection than lower coatings, while DX51D's formability allows for easy installation and customization.
Common outdoor covered structure uses include carport roofing, patio covers, warehouse canopies, and covered market stalls.
Key Advantages of DX51D+Z200 for Outdoor Covered Structures
DX51D+Z200 offers unique benefits for outdoor covered applications:
- Enhanced Corrosion Resistance: Z200 coating withstands humidity and occasional rain, preventing rust for 12-18 years outdoors.
- Weather Resistance: Handles temperature fluctuations (-40°C to 80°C) without coating degradation.
- Easy Installation: Lightweight yet durable, making it easy to transport and install on structural frames.
- Low Maintenance: Requires minimal upkeep compared to wood or uncoated steel, reducing long-term costs.
- Aesthetic Versatility: Available in regular or minimized spangle finish, matching different design styles.
These advantages make it a cost-effective solution for outdoor covered structures.
Technical Specs for Outdoor-Grade DX51D+Z200
Outdoor covered structures require strict material standards. Below are the key specs for DX51D+Z200:
| Specification | Value | Outdoor Benefit |
|---|---|---|
| Zinc Coating Adhesion | Excellent | Resists peeling during installation and weather exposure |
| Salt Spray Resistance | ≥500 hours | Withstands coastal humidity and road salt exposure |
| UV Resistance | Good | Maintains color and coating integrity under sunlight |
| Load-Bearing Capacity | 1.2kN/m² (for 1mm thickness) | Supports snow and wind loads for covered structures |
| Thermal Expansion Coefficient | 13.5×10⁻⁶/°C | Minimizes warping from temperature changes |
All specs meet international outdoor construction standards, including ISO and ASTM requirements.
Standard Sizes for Outdoor Covered Structures
GNEE Steel provides DX51D+Z200 in sizes optimized for outdoor projects:
| Structure Type | Thickness | Width | Length |
|---|---|---|---|
| Carport Roofing | 0.8mm-1.2mm | 1220mm-1500mm | 3000mm-6000mm |
| Patio Covers | 0.6mm-0.9mm | 1000mm-1220mm | 2440mm-3000mm |
| Warehouse Canopies | 1.0mm-1.5mm | 1220mm-1500mm | 3000mm-6000mm |
We offer custom cutting to match your structure's exact dimensions, reducing material waste.
DX51D+Z200 galvanized steel plate is the ideal material for outdoor covered structures, combining enhanced corrosion resistance and easy installation. GNEE Steel's factory-direct supply ensures consistent quality for your outdoor projects.
To discuss your outdoor covered structure needs or request samples of DX51D+Z200, please reach out to our technical team today. We'll provide tailored solutions to optimize your project's durability and cost.
- Available Steel Grade
|
Grade |
Yield Strength MPa≥ |
Tensile Strength MPa≥ |
Elongation A%≥ |
|
DX51D Z/ZM/AZ/AM |
240-380 |
270-500 |
22 |
|
DX52D Z/ZM/AZ/AM |
140-300 |
270-420 |
26 |
|
DX53D Z/ZM/AZ/AM |
140-260 |
270-380 |
30 |
|
DX54D Z/ZM/AZ/AM |
120-220 |
260-350 |
36 |
|
S220GD Z/ZM/AM |
220 |
300 |
20 |
|
S250GD Z/ZM/AZ/AM |
250 |
330 |
19 |
|
S280GD Z/ZM/AM |
280 |
360 |
18 |
|
S300GD A/AM |
300 |
380 |
18 |
|
S320GD Z/ZM/AM |
320 |
390 |
17 |
|
S350GD Z/ZM/AZ/AM |
350 |
420 |
16 |
|
S450GD A/AM |
450 |
480 |
15 |
|
S550GD Z/ZM/AZ/AM |
550 |
550 |
- |
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