Galvanized steel
Galvanized steel sheet is a corrosion-resistant metal product, formed by hot-dip galvanizing carbon steel. It is widely used in structural projects, automotive manufacturing, and industrial facilities.
The S320GD galvanized steel sheet is a high-strength structural grade, tailored for load-bearing scenarios with outstanding comprehensive performance.
Looking for trusted S320GD galvanized steel sheet suppliers? You've come to the right place. As a direct factory with 20 years of structural steel experience, GNEE Steel supplies EN 10346 compliantS320GD+Z sheets at factory prices. In this guide, we'll explore its core advantages for structural applications.
Galvanized Steel Sheet Package
Mechanical Strength: Advantage for Structural Use
S320GD's high strength is its primary advantage in structural applications, supporting heavy loads and resisting deformation.
Its mechanical properties strictly comply with international standards, ensuring stable performance in key structures.
|
Mechanical Property |
Specification Value |
Structural Advantage |
|---|---|---|
|
Minimum Yield Strength |
≥320MPa |
Withstands long-term load without permanent deformation |
|
Tensile Strength |
360-510MPa |
High fracture resistance for critical structural parts |
|
Elongation (A80mm) |
≥20% |
Good formability for complex structural shapes |
Its chemical composition is optimized to balance strength and processability for structural needs.
|
Chemical Element (Wt%) |
Standard Range |
|---|---|
|
Carbon (C) |
≤0.25% |
|
Silicon (Si) |
≤0.60% |
|
Manganese (Mn) |
≤1.70% |
|
Phosphorus (P) |
≤0.10% |
|
Sulfur (S) |
≤0.045% |
Excellent Corrosion Resistance for Long-Term Structural Durability
Structural components often face outdoor or humid environments, demanding strong corrosion resistance.
The zinc coating of S320GD forms a protective barrier, preventing steel base oxidation.
|
Zinc Coating Grade |
Coating Weight (g/㎡) |
Service Life in Outdoor Structures |
|---|---|---|
|
Z180 |
≥180 |
15-20 years |
|
Z275 |
≥275 |
25-30 years |
This advantage reduces maintenance costs for long-term structural projects.
It avoids rust-induced structural damage, ensuring safety and durability.
Versatile Size Specifications for Diverse Structural Projects
Structural applications vary in size requirements, and S320GD offers flexible size options.
Customizable dimensions adapt to roofs, walls, and support structures.
|
Thickness (mm) |
Width (mm) |
Length (mm) |
Typical Structural Application |
|---|---|---|---|
|
0.8-1.2 |
800-1800 |
1000-2500 |
Building roof and wall panels |
|
1.5-2.5 |
800-1800 |
1000-3000 |
Structural supports and frames |
|
2.8-3.0 |
800-1800 |
1000-3000 |
Heavy-duty industrial structural parts |
Precise size tolerance ensures easy assembly in structural construction.
Cost-Effectiveness: Balancing Performance and Budget
Compared to high-alloy steels, S320GD offers better cost-performance for structural projects.
Its long service life and low maintenance needs reduce total project costs.
High formability minimizes processing waste, optimizing material utilization.
It meets structural performance requirements without excessive investment.
The S320GD galvanized steel sheet excels in structural applications with its superior strength, corrosion resistance, and versatility. It is a reliable choice for long-lasting, cost-effective structures. Check our S320GD galvanized steel sheet specs for detailed parameters, or contact us now to get a 2026 factory price quote and customized structural solution!
- 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 |