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Help CenterGalvanized Steel Bar Grating, Cross Welded, 3mm x 20mm Bearing Bar, 30x30mm Opening, Load Capacity 500kg/m2
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer renowned for producing high-quality steel grating solutions. With over two decades of experience and an annual export value exceeding US$5 million, we supply reliable industrial products to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our Galvanized Steel Bar Grating, Cross Welded, 3mm x 20mm Bearing Bar, 30x30mm Opening, Load Capacity 500kg/m² is engineered to deliver exceptional strength, durability, and corrosion resistance for demanding environments. This product combines precision manufacturing with rigorous quality control, ensuring consistent performance in industrial flooring, walkways, and drainage covers.
Our grating panels are manufactured using high-quality steel strips that are hot-dip galvanized after welding, providing a robust protective layer against rust and corrosion. The cross-welded construction ensures each intersection is securely fused, offering uniform load distribution and long-term stability. With a bearing bar thickness of 3mm and width of 20mm, and an opening size of 30x30mm, this grating achieves a rated load capacity of 500 kg/m², making it suitable for both light and medium-duty industrial applications.
Key Features & Technical Specifications:
- Material: High-strength low-carbon steel, hot-dip galvanized to ASTM A123 standard (optional other standards upon request).
- Bearing Bar Dimensions: 3mm (thickness) x 20mm (width) – provides optimal strength-to-weight ratio.
- Opening Size: 30mm x 30mm (center-to-center spacing) – allows excellent drainage, light transmission, and ventilation.
- Load Capacity: 500 kg/m² (uniformly distributed load) – tested and verified for safety and reliability.
- Welding Process: Cross welded using electric resistance welding, ensuring strong, consistent joints without compromising structural integrity.
- Surface Finish: Hot-dip galvanized (zinc coating thickness ≥ 85μm) – exceptional corrosion resistance, ideal for outdoor and humid environments.
- Panel Dimensions: Standard sizes available (e.g., 1000mm x 6000mm) or fully customizable to meet project requirements.
- Applications: Industrial platforms, catwalks, stair treads, trench covers, drainage grates, mezzanine floors, and more.
| Parameter | Value |
|---|---|
| Bearing Bar Thickness | 3 mm |
| Bearing Bar Width | 20 mm |
| Clear Opening (Center-to-Center) | 30 mm x 30 mm |
| Load Capacity (Uniformly Distributed) | 500 kg/m² |
| Material | Low-carbon steel (Q235B or equivalent) |
| Surface Treatment | Hot-dip galvanized (≥85μm zinc coating) |
| Welding Type | Cross welded (resistance welding) |
| Standard Panel Size | 1000mm x 6000mm (customizable) |
Advantages & Customer Benefits:
- Enhanced Safety: The 30x30mm opening provides a secure foothold while preventing small objects from falling through. Anti-slip surface options available (e.g., serrated bars).
- Long Service Life: Hot-dip galvanizing ensures decades of maintenance-free performance, even in harsh environments like chemical plants or coastal areas.
- Cost-Effective: Lightweight yet strong design reduces structural support requirements and installation costs. Easy to cut, weld, or bolt on-site.
- Versatile Customization: We can produce panels with different bearing bar sizes, opening dimensions, and overall dimensions to match your specific load and space requirements.
- Eco-Friendly: 100% recyclable steel material – sustainable choice for green building projects.
Trust & Quality Assurance:
As a factory with 24 years of experience, Anping County Boli Hardware Wiremesh Products Factory has built a reputation for delivering consistent quality and reliable service. Our annual export value of US$5–10 million reflects the trust of global customers. We ship through major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. Each grating panel undergoes strict inspection for dimensional accuracy, weld strength, and galvanizing thickness before leaving our facility. We are committed to providing products that meet international standards, and we welcome third-party inspections or sample requests to verify quality.
Whether you need standard panels or custom-designed solutions, our team of experienced engineers can assist you with technical support, load calculations, and installation guidance. Contact us today to discuss your project requirements and receive a competitive quote. Choose Boli grating for a reliable, long-lasting industrial flooring solution.
Frequently Asked Questions
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Q: Can the grating be customized to different sizes?
A: Yes, we offer full customization. You can specify overall panel length, width, bearing bar dimensions, and opening size. Contact our sales team with your requirements. -
Q: What is the load capacity of this grating?
A: The rated uniformly distributed load capacity is 500 kg/m². This is based on the standard 3mm x 20mm bearing bars with 30x30mm openings. For higher loads, we can recommend thicker bars or smaller openings. -
Q: Is the galvanized coating resistant to saltwater and chemicals?
A: Hot-dip galvanizing provides excellent corrosion resistance in most environments, including coastal and industrial areas. For extreme chemical exposure, additional coatings (e.g., epoxy) can be applied on request. -
Q: How is the grating installed?
A: Installation methods include welding to structural steel, bolting with clips, or using specialized anchor systems. We can provide installation accessories and guidance based on your application. -
Q: Do you provide samples before bulk order?
A: Yes, we offer free samples (customer pays shipping). Samples can be cut from production stock to verify quality, dimensions, and finish. -
Q: What is the typical lead time for an order?
A: For standard sizes, lead time is 15–20 working days after confirmation. Custom orders may require 25–30 days depending on complexity and quantity. -
Q: What packaging do you use for export?
A: Panels are bundled with steel strapping, wrapped in waterproof paper or plastic, and packed on wooden pallets or steel crates to protect against damage during transit. -
Q: Can I order a small quantity for a trial project?
A: Certainly. We accept small orders (minimum order quantity may apply). Contact us for details on pricing and availability.
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