galvanized steel plate
Looking for reliable steel plates for your construction projects? You've found the right supplier. As a direct factory with 20 years of structural steel experience, GNEE Steel offers high-quality S350GD+Z275 galvanized steel plate at factory prices. In this guide, we'll explore its construction applications and provide key technical details to support your projects.
Galvanized steel plate
Galvanized steel is a construction staple due to its durability and cost-effectiveness. It's used in everything from roofing to structural frames.
S350GD+Z275 is a top choice for construction because it combines high strength (S350GD grade) with heavy zinc coating (Z275) for long-lasting performance.
Common construction uses include roofing panels, wall cladding, purlins, and structural supports-all areas where corrosion resistance is critical.
Key Applications of S350GD+Z275 in Construction
S350GD+Z275 galvanized steel plate excels in various construction scenarios:
- Roofing Systems: Resists rain, snow, and UV rays, ensuring leak-free performance for decades.
- Wall Cladding: Provides both aesthetic appeal and weather protection for commercial and residential buildings.
- Structural Purlins: Supports roof loads with high strength while resisting rust in humid attics.
- Fencing and Guardrails: Offers security and durability for construction sites and finished projects.
- Prefabricated Buildings: Enables quick assembly with materials that withstand transportation damage.
Its versatility makes it suitable for both residential and large-scale commercial projects.
Chemical & Mechanical Specs for Construction-Grade S350GD+Z275
Construction projects require strict adherence to standards. Below are S350GD+Z275's key specs:
| Chemical Element | Max Content (%) | Mechanical Property | Value |
|---|---|---|---|
| C | 0.12 | Yield Strength | ≥350 MPa |
| Si | 0.50 | Tensile Strength | 420-560 MPa |
| Mn | 1.60 | Elongation (A80mm) | ≥18% |
| P | 0.035 | Zinc Coating | 275g/m² |
| S | 0.035 | Bending Capacity | D=2t, 180° |
These specs meet international construction standards, including EN 10346 and ASTM A653.
Standard Sizes for Construction Projects
GNEE Steel provides S350GD+Z275 in sizes optimized for construction:
| Application | Thickness | Width | Length |
|---|---|---|---|
| Roofing Panels | 0.8mm-1.5mm | 1000mm-1220mm | 2440mm-6000mm |
| Wall Cladding | 0.8mm-2.0mm | 1220mm-1500mm | 2440mm-6000mm |
| Structural Purlins | 2.0mm-4.0mm | 1000mm-1500mm | 3000mm-6000mm |
We can also provide custom sizes to match your project's exact requirements.
S350GD+Z275 galvanized steel plate is a construction essential, offering the perfect blend of strength and corrosion resistance for long-lasting structures. GNEE Steel's factory-direct supply ensures you get quality materials at competitive prices.
To discuss your construction project's needs or get a 2026 price quote, please contact our construction sales team now. We'll provide expert advice and timely delivery to keep your project on track.
- Available Steel Grade
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
|
Forcold Forming Chinese Standard |
DX51D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX52D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
|
SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
|
|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
|
SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
|
|
SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
|
|
SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
|
|
For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
|
|
S550GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |