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Help CenterSteel Bar Grating With 1-Year Warranty, Welded Construction, Mill Test Report Supplied
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As a professional manufacturer of steel bar grating, Hengshui Ruibin New Materials LLC is proud to present our premium welded steel bar grating, backed by a 1-year warranty and supplied with a Mill Test Report (MTR) for full traceability. Our grating is engineered using advanced resistance welding technology, ensuring every cross bar is securely fused to the bearing bars for maximum structural integrity. With a factory spanning 1,000–3,000 square meters and a dedicated team of 101–200 employees, we deliver consistent quality and timely shipments to global markets.
This steel bar grating is designed for heavy-duty environments where safety, durability, and easy maintenance are critical. Whether used in industrial platforms, walkways, drainage covers, or mezzanine flooring, our product provides excellent load-bearing capacity and slip resistance. The welded construction eliminates loose joints, making it ideal for high-traffic areas. Each batch is accompanied by a Mill Test Report, verifying the mechanical properties of the steel, giving you confidence in material quality.
Key Product Features & Benefits
- Welded Construction – Every joint is electrically resistance welded, creating a one-piece panel that resists vibration and load stress. No rivets or bolts to loosen over time.
- Customizable Dimensions – Bearing bar heights from 20mm to 100mm, thicknesses from 3mm to 8mm, and clear spacing tailored to your load requirements.
- Multiple Surface Finishes – Choose from bare steel, hot-dip galvanized for corrosion protection, or painted (color optional). Galvanized finish is ideal for outdoor and wet environments.
- Slip-Resistant Surface – Standard serrated (toothed) bearing bars available to enhance foot traction, even in oily or wet conditions.
- Mill Test Report (MTR) Included – Each order comes with a certified MTR documenting the chemical composition and tensile strength of the steel, ensuring compliance with project specifications.
- 1-Year Warranty – We stand behind our workmanship and materials, offering peace of mind for your investment.
- Easy Installation – Panels can be cut and welded on site, or we can supply pre-drilled holes for bolted connections. Lightweight design reduces labor costs.
- Wide Application – Perfect for factory walkways, drainage channels, security fencing, stair treads, vehicle gratings, and architectural grilles.
Technical Specifications (Typical Range)
| Parameter | Available Options |
| Material | Carbon steel (Q235, Q345) or Stainless steel (304, 316) |
| Bearing Bar Height | 20 – 100 mm (custom) |
| Bearing Bar Thickness | 3 – 8 mm (custom) |
| Clear Spacing (center-to-center) | 30, 40, 50, 60 mm (or custom) |
| Surface Finish | Bare, Hot-dip galvanized (ASTM A123), Painted |
| Load Capacity | Customized per span and deflection limit |
| Standard Panel Size | Up to 6m x 1.5m (larger on request) |
| Warranty | 1 year |
Our welded steel bar grating is manufactured to meet or exceed industry standards for strength and safety. The use of advanced jigs and fixtures ensures consistent bar spacing and panel flatness, reducing installation time. We also offer optional serrated bars, cross bars at different pitches, and banded ends for extra rigidity.
Why Choose Hengshui Ruibin New Materials LLC?
Since our establishment in 2019, we have grown into an export-oriented enterprise with an annual export value of US$2.5–5 million. Our products have been shipped to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, South Asia, and domestically. With a team of over 100 skilled workers and technicians, we maintain a flexible production capacity and strict quality control. Each shipment is carefully packed for sea freight from the ports of Tianjin and Qingdao.
We understand that every project is unique. That’s why we offer free consultations to help you select the right grating type, bar size, and surface treatment. Our engineers can also provide load calculation sheets upon request. Backed by a 1-year warranty and full Mill Test Report documentation, you can trust our steel bar grating to perform safely and reliably. Contact us today to discuss your requirements or request a quotation.
Frequently Asked Questions
Q1: What is the standard material for your steel bar grating?
A: Our standard material is carbon steel (typically Q235 or Q345), but we also offer stainless steel grades 304 and 316 for corrosive environments. Please specify your requirement when ordering.
Q2: What does “Mill Test Report supplied” mean?
A: A Mill Test Report (MTR) is a quality assurance document from the steel mill that certifies the chemical composition, mechanical properties, and heat number of the steel used. We provide it with every order to ensure traceability and compliance with project specifications.
Q3: Is the grating slip-resistant?
A: Yes, we offer serrated (toothed) bearing bars as an option to increase slip resistance. Standard flat bars are also available. Serrated surfaces are recommended for oily or wet conditions.
Q4: Can I get custom dimensions?
A: Absolutely. We can customize bearing bar height, thickness, spacing, and overall panel size to fit your specific application. Just provide your load and span requirements, and we’ll engineer the grating accordingly.
Q5: What is the delivery time for a typical order?
A: Delivery time depends on quantity and customization. For standard panels (without special coating or stainless steel), lead time is usually 15–25 working days after confirmation. For large orders or complex finishes, please contact our sales team for a precise schedule.
Q6: How is the grating packed for export?
A: Gratings are bundled with steel strapping, protected by wooden pallets or crates (optional), and wrapped in waterproof paper or plastic film for ocean freight. We also label each bundle with dimensions and heat numbers for easy identification.
Q7: What surface treatments are available?
A: We supply bare (oiled), hot-dip galvanized (conforming to ASTM A123), and painted finishes. Galvanized is the most common for outdoor use. Painted options include epoxy or polyurethane coatings. Please advise your environmental conditions.
Q8: Does the 1-year warranty cover all defects?
A: The warranty covers manufacturing defects in material and workmanship under normal use and service conditions. It does not cover damage due to misuse, corrosion from improper selection, or alterations made after delivery. Please read our terms for full details.
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