Engineered for structural integrity and superior longevity, our S250GD galvanized steel features a heavy Z275 zinc coating, providing exceptional corrosion resistance even in demanding environments. Offering excellent formability and high tensile strength, it serves as a highly cost-effective alternative to stainless steel—delivering robust durability at a fraction of the cost.
Whether for construction or manufacturing, BOMIS Steel provides precision-cut solutions tailored to your exact project requirements.
Spécifications du produit :
Thickness: 0.12mm – 6.0mm
Width: 600mm – 1500mm
Length: 2000mm – 6000mm (Custom cutting available upon request)
BOMIS Steel supplies premium S250GD+Z275 hot-dip galvanized structural steel, engineered to meet stringent international standards. Here is what the grade designation means for your specific application: 1mm Aluminium Sheet
S (Structural): Indicates that the steel is classified for structural applications, offering reliable load-bearing capabilities.
250 (Yield Strength): Guarantees a minimum yield strength of 250 MPa, ensuring the substrate provides robust mechanical performance.
GD (Hot-Dip Galvanized): Signifies the specialized hot-dip galvanizing process used to bond the protective coating to the steel substrate.
Z275 (Coating Weight): Represents a heavy, pure zinc coating with a total mass of 275g/m² (double-sided).
Need higher strength with the same Z275 coating? Our S350GD+Z275 Acier HDG delivers 350 MPa minimum yield — a 40% strength increase over S250GD — for structural applications where load capacity drives material choice.
| Paramètre | Spécification |
| Qualité du matériau | S250GD+Z275 Galvanized Steel |
| Norme d'exécution | EN 10346 |
| Formulaires disponibles | Coil, Sheet, Slit Strip |
| Épaisseur | 0,12 mm - 6,0 mm |
| Largeur | 600 mm – 1500 mm |
| Longueur | 2000 mm – 6000 mm (Custom cut-to-length available) |
| Paramètre | Spécification |
| Services à valeur ajoutée | Slitting, Cutting, Bending, Profiling, Punching, Embossing |
| Quantité minimale de commande (MOQ) | 18 tonnes métriques |
| Détails de l'emballage | Standard Seaworthy Export Packaging (Waterproof paper, steel strapping, pallets) |
Construction & Structural Engineering Engineered for core structural integrity. Ideal for manufacturing factory columns, load-bearing beams, roof purlins, decking slabs, and high-performance roofing panels.
Renewable Energy & Power Infrastructure Built to withstand harsh outdoor environments. Widely used for solar photovoltaic (PV) mounting brackets, electrical substation frameworks, transmission towers, and transformer enclosures.
Automotive Industry Delivering a superior strength-to-weight ratio. Commonly utilized in critical structural components, including automotive body frames, chassis beams, and heavy-duty reinforcements.
Transportation & Public Works Ensuring public safety and longevity. The go-to material for highway sound barriers, bridge guardrails, truck bed frames, and subway ventilation ducting systems.
Heavy Machinery & Agriculture Robust performance under extreme stress. Perfect for fabricating agricultural tractor chassis, harvester frames, and industrial heavy-duty storage racking systems.


Premium Quality Assurance Manufactured using top-tier raw materials and state-of-the-art production lines. We guarantee a perfectly uniform zinc coating, strictly free from bare spots and zinc nodules, ensuring maximum durability and stable long-term performance.
Internationally Certified Reliability Backed by ISO 9001 and ISO 14001 certifications, we have built a proven global track record, successfully exporting to over 120 countries. International clients trust us for our uncompromising product standards and highly responsive after-sales support.
Comprehensive Product Portfolio Equipped with extensive in-house processing capabilities, we serve as your one-stop steel supplier. Beyond standard coils, our diverse supply chain includes cut-to-size galvanized sheets, corrugated roofing profiles, pre-painted galvanized steel (PPGI), as well as galvanized pipes and wire products.
Q1: What is the main difference between S250GD and standard DX51D galvanized steel?
A: The primary difference lies in the mechanical properties. While DX51D is a commercial quality steel used for basic bending and forming, S250GD is a structural grade. It guarantees a minimum yield strength of 250 MPa, making it suitable for load-bearing applications like construction purlins and solar mounting brackets where structural integrity is critical.
Q2: Is a Z275 zinc coating sufficient for high-humidity or tropical climates?
A: Yes. The Z275 designation means a heavy coating of 275g/m² (double-sided). This thick layer of pure zinc provides exceptional corrosion resistance. It is highly recommended for outdoor applications, particularly in regions experiencing intense monsoon seasons or elevated humidity, ensuring a prolonged service life.
Q3: Can BOMIS Steel provide custom widths and lengths for S250GD coils?
A: Absolutely. While our standard widths range from 600mm to 1500mm, we operate advanced in-house processing lines. We offer custom slitting, cut-to-length services, and profiling to meet your exact manufacturing specifications, minimizing your material waste.
Q4: What is the Minimum Order Quantity (MOQ) and typical lead time for this grade?
A: Our standard MOQ for S250GD+Z275 is 10 Metric Tons. Depending on the specific dimensions and whether custom processing is required, our standard production and delivery lead time is typically between 15 to 30 days. Contact our sales team for an exact timeline based on your project schedule.