GB Standrad Q420QD/Q370QD/Q390QD/Q420YD/CE/Q460QD/E Hot Rolled Carbon Alloy Steel Plates for Bridge Steel
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Product Name |
Hot Rolled Carbon Alloy Steel Plates for Bridge Steel |
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Material |
GB：Q420QD/Q370QD/Q390QD/Q420YD /C/E /Q460QD/E JIS：SN/SM 370/420/490 YB/E/A ASTM：A709 Gr36/A709 Gr50 |
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Thickness |
1.5mm~24mm |
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Technique |
Hot rolled |
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Packing |
Bundle, or with all kinds of colors PVC or as your requirements |
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MOQ |
1 Tons, more quantity price will be lower |
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Surface Treatment |
1. Mill finished /Galvanized /stainless steel |
| 2. PVC,Black and color painting | |
| 3. Transparent oil,anti-rust oil | |
| 4. According to clients requirement | |
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Product Application |
|
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Origin |
Tianjin China |
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Certificates |
ISO9001-2008,SGS.BV,TUV |
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Delivery Time |
Usually within 7-10 days after receipt of advance payment |
Specifications
Thickness: Generally between 8-150mm, the thickest is 300mm, but the commonly used thickness range is usually between 4.5-50mm.
Width: Generally 2 meters, 2.2 meters, and 2.5 meters wide, and can also be customized according to customer requirements.
Length: The length is generally not fixed, most of the length is 9-12 meters, and can also be customized according to customer needs.
1. Material Composition
Alloy steel plates for bridge construction are typically made with elements such as chromium, molybdenum, and nickel, which significantly improve strength, toughness, and corrosion resistance. These carefully controlled compositions ensure reliable performance under demanding bridge engineering requirements.
2. High Strength & Toughness
These steel plates offer excellent tensile strength and impact toughness, allowing them to withstand heavy dynamic loads and structural stress. Their high strength-to-weight ratio enables safer and more efficient bridge designs.
3. Corrosion Resistance
Designed for long-term durability, alloy steel bridge plates provide strong resistance to moisture, salt, and harsh environmental conditions, ensuring extended service life and structural stability.
4. Excellent Weldability & Formability
These plates are easy to weld and form, supporting efficient fabrication and assembly of complex bridge structures while maintaining structural integrity and precision.
5. Compliance with International Standards
Manufactured according to strict industry standards, these steel plates meet required specifications for safety, performance, and quality in bridge construction projects.
6. Impact Resistance
Engineered for high impact resistance, they can effectively withstand traffic loads, vibration, and environmental forces, ensuring long-term reliability in bridge applications.
Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.
Hot rolling is a mill process which involves rolling the steel at a high temperature
which is above the steel’s recrystallization temperature.
Packaging:
Hot Rolled Carbon Alloy Steel Plates are typically packed in strong steel strips and covered with waterproof protective materials. Surface protection such as anti-rust oil, plastic film, and edge protectors can be applied according to customer requirements. Each bundle is clearly labeled for easy identification, handling, and traceability.
Shipping:
We provide flexible transportation options including bulk vessel, flat rack, and container shipment based on plate size and project requirements. All loading is professionally arranged to ensure stability, safety, and protection during long-distance transport. Royal Steel Group also supplies complete export documents such as MTC, packing list, invoice, and certificate of origin to ensure smooth customs clearance and efficient global delivery.
Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)
Q1: What are hot rolled carbon alloy steel plates used for?
They are widely used in bridges, construction structures, shipbuilding, pressure vessels, heavy machinery, and industrial engineering applications.
Q2: What makes carbon alloy steel plates different from carbon steel plates?
Carbon alloy steel plates contain additional alloying elements such as chromium, nickel, and molybdenum, which improve strength, toughness, and corrosion resistance.
Q3: Are these steel plates suitable for bridge construction?
Yes, they are specifically designed for bridge structures due to their high strength, impact resistance, and long-term durability under dynamic loads.
Q4: Can hot rolled alloy steel plates be welded and processed easily?
Yes, they offer excellent weldability, cutting, and forming performance, making them suitable for complex fabrication and engineering projects.
Q5: How is the quality of steel plates ensured?
Quality is guaranteed through strict raw material selection, chemical composition control, mechanical testing, and compliance with international standards.
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