galvanized steel plate
Need galvanized steel plates that can withstand harsh outdoor conditions? Look no further. As a trusted direct factory with 20 years of experience, GNEE Steel specializes in S350GD+Z275 galvanized steel plate-the ideal choice for long-lasting performance. In this guide, we'll focus on the Z275 coating's benefits and help you understand its value for your projects.
Galvanized steel uses zinc coating to fight corrosion. The higher the zinc coating weight, the better the protection.
Z275 means 275 grams of zinc per square meter-one of the thickest coatings available for galvanized steel plates.
S350GD+Z275 combines S350GD's structural strength with Z275's superior corrosion resistance, outperforming lower-coating options like Z140 or Z200.
Galvanized steel plate
Benefits of Z275 Coating on S350GD Steel Plates
The Z275 coating on S350GD+Z275 offers multiple advantages:
- Longer Service Life: Resists rust for 20-30 years in outdoor environments, reducing replacement costs.
- Saltwater Resistance: Ideal for coastal projects, as it withstands salt spray better than thinner coatings.
- Low Maintenance: Requires minimal upkeep compared to uncoated or lightly coated steel.
- Weather Resistance: Handles extreme temperatures, rain, and UV rays without degradation.
This makes S350GD+Z275 perfect for outdoor structures like roofing, fencing, and marine components.
Mechanical Performance of S350GD+Z275 vs. Lower Coating Grades
How does S350GD+Z275 compare to lower coating options? See the comparison below:
| Property | S350GD+Z275 | S350GD+Z200 | S350GD+Z140 |
|---|---|---|---|
| Zinc Coating Weight | 275g/m² | 200g/m² | 140g/m² |
| Estimated Outdoor Lifespan | 25-30 years | 15-20 years | 10-15 years |
| Corrosion Resistance | Excellent | Good | Moderate |
| Ideal Applications | Coastal, heavy rainfall areas | Moderate climate areas | Indoor, dry areas |
All options maintain S350GD's core strength, but Z275 excels in harsh conditions.
Standard Dimensions of S350GD+Z275 Galvanized Steel Plate
GNEE Steel provides S350GD+Z275 in common industry sizes:
| Thickness Range | Standard Widths | Standard Lengths |
|---|---|---|
| 0.5mm - 2.0mm | 1000mm, 1220mm, 1500mm | 2000mm, 2440mm, 3000mm |
| 2.0mm - 5.0mm | 1220mm, 1500mm | 2440mm, 3000mm, 6000mm |
Custom cutting is available for specific project requirements, with fast turnaround times.
S350GD+Z275 galvanized steel plate stands out for its Z275 coating's exceptional protection, making it the top choice for demanding environments. GNEE Steel's direct factory supply ensures competitive pricing and consistent quality.
To request a sample of S350GD+Z275 or get a detailed cost breakdown, please reach out to our technical team today. We'll help you select the right material for your needs.
- Zinc Thickness
| Zinc Coating Grade | Zinc Coating (g/m²) | Corrosion Resistance | Typical Applications | Remarks |
| Z30 | 30 | Very low | Indoor parts, home appliance inner panels, ventilation ducts | Not suitable for outdoor use |
| Z60 | 60 |
Low |
Indoor structures, temporary facilities | Low cost |
| Z80 | 80 | Medium | Light steel structures, base metal for PPGI | Good cost performance |
| Z100 | 100 | Medium | PPGI, fencing, general construction
|
Common export grade |
| Z120 | 120 | Medium-High |
|
Longer service life |
| Z140 | 140 | Medium-High | Industrial buildings, agricultural facilities | Suitable for outdoor use |
| Z180 | 180 | High | Long-term outdoor structures, equipment housings
|
Recommended for outdoor use |
| Z200 | 200 | Very high | Humid environments, heavy structures
|
Higher cost |
| Z275 | 275 | Excellent
|
Coastal areas, solar mounting systems, high-corrosion environments | High standard |
- Available Steel Grade
|
Available Steel Grade(Ensure weight and support third-party testing) |
||||
|
Steel grade |
Coating |
Yield(MPA) |
Tensile(MPA) |
Elongation(%) |
|
DX51D |
Z,ZF |
-- |
270-500 |
20 |
|
DX52D |
Z,ZF |
140-300 |
270-420 |
22 |
|
DX53D |
Z,ZF |
140-260 |
270-380 |
26 |
|
DX54D |
Z,ZF |
140-220 |
270-350 |
30 |
|
S220GD |
Z,ZF |
220 |
300 |
18 |
|
S250GD |
Z,ZF |
250 |
330 |
17 |
|
S280GD |
Z,ZF |
280 |
360 |
16 |
|
S320GD |
Z,ZF |
320 |
390 |
15 |
|
S350GD |
Z,ZF |
350 |
420 |
14 |
|
S400GD |
Z,ZF |
400 |
470 |
-- |
|
S450GD |
Z,ZF |
450 |
530 |
-- |
|
S500GD |
Z,ZF |
500 |
560 |
-- |
|
Select type Galvanized Steel based on requirements |
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