structural steel
S250GD (1.0242) is a structural steel grade under EN 10346, mainly used for galvanized steel. "S" denotes structural steel, "250" indicates the minimum yield strength in MPa, and "GD" signifies its suitability for galvanization. It contains carbon, manganese, and silicon, with stringent limits on sulfur and phosphorus. Common methods include hot-dip and electro-galvanizing, producing galvanized sheets or coils for construction, appliances, and automotive industries.
Being very durable and certainly highly corrosion resistant yet cost-effective, Hot Dipped Galvanized Steel products are highly preferred. Once galaxies protect zinc against wear, corrosion, etc., the life of steel products increases considerably through galvanization. With little or no maintenance, these products make for a feasible and cost-effective option for various uses, from buildings to automobiles and infrastructures. In addition, their versatility and reliability result in satisfactory performance under severe conditions for industrial and commercial projects.
Benefits of Hot-Dip Galvanization
| Benefit | Description |
|---|---|
| Corrosion Resistance | Protects steel with barrier and cathodic layers. |
| Durability | Tough, abrasion-resistant, and long-lasting. |
| Longevity | Provides decades of maintenance-free service. |
| Complete Coverage | Coats all surfaces, including edges and corners. |
| Cost-Effective | Low initial and life-cycle costs. |
| Sustainability | Made from recyclable zinc and steel. |
| Fast Processing | Quick application and ready-to-use. |
| Versatility | Suitable for various shapes and environments. |
| Aesthetic Options | Natural finish or paintable for customization. |
| Reliability | Consistent quality and adherence to standards. |
-
Applications in Structural Steel Projects
Employed in construction and infrastructure, hot-dip galvanization is essential in the structural steel stage. Bridges, buildings, and industrial facilities have corrosion resistance imparted for a lifetime durability guarantee against exposure to harsh environments. This is a paramount consideration to ensure the reliability and longevity of structural elements while circumventing maintenance costs as much as possible in the long run.
S250GD Galvanized Steel Products Dimension
| Product Type | Thickness (mm / inch) | Width / Outer Diameter (mm / inch) | Length (mm / ft) |
| S250GD Sheet | 0.30 – 3.00 mm (0.012 – 0.118″) | 800 – 1830 mm (31.5 – 72″) | Up to 6,000 mm (Up to 19.69 ft) |
| S250GD Coil | 0.30 – 3.00 mm (0.012 – 0.118″) | 800 – 1830 mm (31.5 – 72″) | Custom length available |
| S250GD Pipe | 1.5 – 12.0 mm (0.059 – 0.472″) | 21.3 – 219.1 mm (0.84 – 8.63″) | Up to 12,000 mm (Up to 39.37 ft) |
-
S250GD Galvanized Steel Sheet
S250GD galvanized steel sheets are widely used in building structures, roofing, wall cladding, and industrial applications. With a uniform zinc coating and excellent corrosion resistance, they provide durability and aesthetic appeal. Sheets can be used directly or further processed for painting and forming.
-
S250GD Galvanized Steel Coil
S250GD galvanized steel coil is designed for large-scale processing and various forming applications. It can be easily cut and welded, making it suitable for automotive parts, household appliances, and building materials.
We offer two galvanizing options:
- Hot-dip galvanizing – Provides superior corrosion resistance.
- Electro-galvanizing – Offers a smoother, more refined appearance.
-
S250GD Galvanized Steel Pipe
S250GD galvanized steel pipe is ideal for structural support, piping systems, and ventilation equipment. It features:
Excellent corrosion resistance and durability, ensuring long-term performance in harsh environments.
A smooth, easy-to-clean surface, making it suitable for construction and industrial applications.
For custom sizes and specifications, feel free to contact us-we'll recommend the best solution for your needs!

- 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 |


