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Help CenterSteel Bar Grating 30x5mm Galvanized With Mill Test Report for Flooring Projects
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At Anping County Boli Hardware Wiremesh Products Factory, we have been manufacturing high-quality steel products since 1998, and our Steel Bar Grating 30x5mm Galvanized with Mill Test Report is a testament to our commitment to excellence. Designed specifically for demanding flooring projects, this grating combines robust construction with superior corrosion resistance, ensuring long-lasting performance in industrial, commercial, and infrastructure applications. Each batch is accompanied by a Mill Test Report, verifying material composition and mechanical properties, giving you complete confidence in every purchase.
Our galvanized steel bar grating features 30mm x 5mm bearing bars, precisely welded to create a rigid, slip-resistant surface suitable for heavy loads and high-traffic areas. The hot-dip galvanized finish provides exceptional protection against rust, chemicals, and harsh weather, making it ideal for both indoor and outdoor flooring. With decades of export experience to over 15 countries, we ensure consistent quality and timely delivery from our strategic ports in Tianjin, Qingdao, Shanghai, and Foshan.
Key Features & Technical Specifications
- Material: High-strength carbon steel (Q235 or equivalent), with verified chemistry via Mill Test Report.
- Bar Dimensions: 30mm height × 5mm thickness – providing excellent load-bearing capacity.
- Surface Finish: Hot-dip galvanized (≥ 85 μm coating thickness) per ASTM A123 standards.
- Welding: Continuous resistance welding ensures strong joints and uniform spacing.
- Customization: Available in various panel sizes, bar spacing (e.g., 30mm, 40mm, 50mm), and cross bar configurations.
- Applications: Flooring, walkways, platforms, stair treads, drainage covers, trench covers, and industrial mezzanines.
| Parameter | Value |
|---|---|
| Bearing Bar Size | 30mm (H) × 5mm (T) |
| Standard Panel Width | 1000mm / 1200mm (customizable) |
| Standard Panel Length | 2000mm – 6000mm (customizable) |
| Bar Spacing (center to center) | 30mm, 40mm, 50mm (optional) |
| Cross Bar Spacing | 100mm or as required |
| Surface Treatment | Hot-dip galvanized (silver gray) |
| Load Capacity | Up to 10 kN/m² (varies by spacing) |
| Mill Test Report | Included with each shipment |
Why choose our 30x5mm galvanized bar grating for your flooring projects? The balanced bar height (30mm) and thickness (5mm) offer an optimal strength-to-weight ratio, reducing overall structural load while maintaining durability. The hot-dip galvanized coating ensures a service life of 20+ years in moderate environments, and the slip-resistant surface enhances safety for personnel and equipment. Additionally, the open design allows light, air, and water to pass through, preventing accumulation and reducing maintenance costs.
Our factory, established in 1998, has an annual export value of US$5 million to US$10 million, serving markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Each order is subject to rigorous quality control, including dimensional checks, weld strength tests, and coating thickness verification. The Mill Test Report provides full traceability of the steel, ensuring compliance with project specifications and international standards.
We invite you to experience the reliability and performance of our steel bar grating. Whether you need standard panels or custom sizes, our team is ready to assist with technical support, fast quotations, and efficient logistics. Contact us today to discuss your flooring project requirements and receive a competitive quote with a guaranteed Mill Test Report.
Frequently Asked Questions (FAQ)
Q1: What is the difference between hot-dip galvanized and painted grating?
A: Hot-dip galvanizing provides a metallurgically bonded zinc coating that offers superior corrosion resistance compared to paint. It is more durable, requires less maintenance, and has a longer service life, especially in outdoor or humid environments.
Q2: Can I get custom panel sizes and bar spacing?
A: Yes, we offer full customization. You can specify the panel width, length, bearing bar spacing, and cross bar spacing. Our engineering team can also design for specific load requirements.
Q3: What does the Mill Test Report include?
A: The Mill Test Report (MTR) provides chemical composition (carbon, manganese, silicon, etc.) and mechanical properties (yield strength, tensile strength, elongation) of the steel used. It ensures material traceability and compliance with project specifications.
Q4: Is the grating suitable for pedestrian walkways and heavy machinery areas?
A: Absolutely. The 30x5mm bar size is designed for medium to heavy loads. For pedestrian walkways, standard spacing (30mm or 40mm) is recommended; for heavy machinery, we can adjust spacing and add cross bars for increased rigidity.
Q5: What is the typical lead time for an order?
A: For standard sizes, lead time is 15–20 days after order confirmation. Custom orders may take 25–30 days depending on complexity. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) to destinations worldwide.
Q6: How is the grating packed for export?
A: Panels are bundled with steel straps, protected with edge protectors, and wrapped in waterproof paper or plastic film to prevent damage during transit. We also offer pallet packing and crating if required.
Q7: Do you provide installation instructions or technical drawings?
A: Yes, we provide installation guidelines, load tables, and typical fixing details upon request. Our technical team can also assist with design calculations for your specific project.
Q8: Can I request a sample before placing a bulk order?
A: Yes, sample orders are welcome. We can provide a small piece (e.g., 200mm x 200mm) with the same finish. The sample cost is deductible from your bulk order. Please contact our sales team for details.
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