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Our premium Hot Rolled Structural Steel Plates are engineered specifically for the rigorous demands of modern high-rise buildings and heavy-duty infrastructure. Utilizing advanced metallurgical processes, we provide a comprehensive range of grades including Q235GJB, Q345GJB, Q390GJC, and Q420GJC, ensuring that every project—from general building supports to super-high-rise skeletons—has the optimal balance of strength, toughness, and weldability.
As a professional manufacturer and technical exporter, we specialize in delivering high-performance steel solutions that meet CE and ISO9001 certifications. Whether you require cost-effective basic grades for ordinary structures or high-yield strength plates for critical bridge components and skyscrapers, our products are designed to withstand extreme loads while maintaining strict dimensional tolerances for seamless architectural integration.
| Product Name | Hot Rolled Steel Plate | Available Grades | Q235GJB, Q345GJB, Q390GJC, Q420GJC |
|---|---|---|---|
| Manufacturing Technique | Hot Rolled | Length Range | 4 - 12 Meters |
| Width Range | 1000 - 2200 mm | Thickness Range | 2.5 - 50 mm |
| Certification | CE, ISO9001 | Tolerance | ± 1% |
| Alloy Status | Non-Alloy | Delivery Lead Time | 10 - 20 Days |
Available in high-yield grades up to Q420GJC (≥420 MPa) for maximum reliability in super-high-rise structures.
Efficient logistics and production cycles ensure your materials arrive within 10-20 days.
Fully compliant with ISO9001 and CE standards, ensuring global industry acceptance.
Specialized 'C' grade plates offer enhanced toughness at 0°C for bridge and stadium beams.
Strict ±1% tolerance control reduces material waste and simplifies on-site assembly.
Export-standard packing tailored to your specific requirements for safe overseas transit.
Full control over production lines to ensure consistent metallurgical properties.
Professional foreign trade team handling complex logistics and compliance.
Round-the-clock support via WhatsApp, Skype, and WeChat for global clients.
Rigorous internal testing and full support for third-party inspections.
Free sample availability to verify material quality before bulk ordering.
Commitment to on-time delivery regardless of market price fluctuations.
| Steel Grade | Strength Level | Typical Application |
|---|---|---|
| Q235GJB | Basic (235 MPa) | General Supports / Secondary Parts |
| Q345GJB | Moderate (345 MPa) | Mid-demand Building Components |
| Q390GJC | High (390 MPa) | Stadium Beams / Bridge Structures |
| Q420GJC | Ultra-High (420 MPa) | Super-High-Rise Key Structures |
| Specialized | Customized | Extreme Load Bearing Project-Specific |
We are a professional manufacturer of steel products combined with a highly technical foreign trade division. This allows us to provide factory-direct pricing and specialized export services.
Yes, honesty is our core tenet. We promise to provide the best quality products and ensure on-time delivery regardless of market price changes.
To receive the best price quickly, please provide the steel grade, precise size, quantity, and your destination port.
Absolutely. We welcome third-party inspections to verify the quality and specifications of our steel plates before shipment.
Yes, we provide samples free of charge. The customer covers the initial freight, which we will refund to your account after our official cooperation begins.
The 'B' and 'C' suffixes denote quality and toughness grades. GJC plates generally offer better impact toughness (often tested at 0°C), making them more suitable for critical load-bearing elements and colder environments.
