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Help CenterBridge Building Heavy Duty Carbon Steel Plate A572 Gr50 S355JR 10mm-80mm Thick
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Hello, this is Hemaokang Steel (Shandong) Co., Ltd., a trusted supplier of high-quality steel products. Our Bridge Building Heavy Duty Carbon Steel Plate in grades A572 Gr50 and S355JR is engineered to meet the rigorous demands of modern bridge construction and heavy infrastructure projects. With a thickness range of 10mm to 80mm, these plates offer exceptional strength, weldability, and durability, ensuring long-term performance in the most challenging environments.
Our company, established in 2025, has rapidly grown to serve global markets with an annual export value of US$50–100 million. We are located in Liaocheng, Shandong, China and employ a skilled team of 51–100 people. Our commitment to quality is backed by ISO9001 certification. We supply these heavy-duty carbon steel plates to major markets across North America, South America, Europe, Asia, Africa, Oceania, and the Middle East.
Product Features & Technical Specifications
- High Strength: A572 Gr50 offers a minimum yield strength of 345 MPa (50 ksi), while S355JR provides a minimum yield of 355 MPa. Both grades are ideal for load-bearing bridge members.
- Excellent Weldability: Low carbon equivalent ensures easy welding without preheating for most thicknesses (refer to standard procedures).
- Superior Toughness: Good impact resistance at low temperatures, suitable for cold climate bridge projects.
- Thickness Range: 10mm to 80mm – we can supply specific thicknesses as per your project requirements.
- Customizable Dimensions: Width up to 3200mm, length up to 12000mm, or custom sizes upon request.
- Surface Options: Available in bare (mill scale), shot blasted, or primed/painted finish upon request.
- Edge Preparation: Milled edge or sheared edge options available for precise fit-up.
| Parameter | Specification |
|---|---|
| Thickness | 10mm – 80mm (customizable) |
| Width | 1000mm – 3200mm |
| Length | 2000mm – 12000mm |
| Grade | A572 Gr50 (ASTM) / S355JR (EN 10025) |
| Yield Strength (min) | 345 MPa (A572 Gr50) / 355 MPa (S355JR) |
| Tensile Strength | 450–620 MPa (A572 Gr50) / 470–630 MPa (S355JR) |
| Surface Treatment | Bare, shot blasted, painted (optional) |
| Application | Bridge construction, heavy building structures, offshore platforms |
Advantages for Your Project
- Cost-Effective: High strength-to-weight ratio reduces material usage and overall structure weight, lowering foundation costs.
- Reliable Supply: With annual export value exceeding US$50 million, we ensure stable production and timely delivery to global clients.
- Quality Assurance: Every plate is tested for mechanical properties, chemical composition, and dimensional accuracy, complying with ISO9001 quality management system.
- Technical Support: Our experienced team assists with grade selection, fabrication guidance, and custom processing (cutting, drilling, etc.).
- Flexible Packaging: Plates can be bundled, crated, or shipped in containers according to your requirements.
Why Choose Hemaokang Steel?
Since our establishment in 2025, we have dedicated ourselves to providing premium steel solutions worldwide. Our factory in Liaocheng, Shandong is equipped with advanced processing lines and strict quality control procedures. Our team of 51–100 employees ensures that every order receives personalized attention. We have successfully served clients in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. Our ISO9001 certification reflects our commitment to consistent quality and continuous improvement.
We understand that bridge construction demands absolute reliability. That is why our Bridge Building Heavy Duty Carbon Steel Plate A572 Gr50 S355JR is manufactured to strict international standards. Whether you need standard sizes or custom dimensions (10mm–80mm thick), we can deliver. Contact us today for a competitive quotation and enjoy peace of mind with a partner that values quality and integrity.
Frequently Asked Questions (FAQ)
-
Q: What is the minimum order quantity (MOQ) for these plates?
A: The MOQ depends on thickness and grade. Typically, we can supply 1–2 metric tons for standard sizes, but we also accept smaller trial orders. Please contact us with your specific requirements. -
Q: Can you supply plates with custom dimensions (width, length, thickness)?
A: Yes, we can customize thickness within 10–80mm, width up to 3200mm, and length up to 12000mm. Custom cutting is also available upon request. -
Q: What is the typical lead time for delivery?
A: For standard sizes, lead time is 15–30 days from order confirmation. For custom orders, it may be 20–40 days, depending on quantity and processing requirements. -
Q: Do you provide third-party inspection or certification?
A: Yes, we can arrange third-party inspection (e.g., SGS, BV) at additional cost. Our ISO9001 certification is standard, and we can provide mill test certificates (MTC) for each batch. -
Q: What surface treatments are available?
A: The plates are supplied in bare condition (mill scale) as standard. For additional protection, we offer shot blasting, primer painting, or hot-dip galvanizing as optional services. -
Q: Are these plates suitable for welding in the field?
A: Yes, both A572 Gr50 and S355JR have good weldability. For thicker plates (above 50mm), preheating may be recommended. We can provide welding guidelines upon request. -
Q: How do you ensure the plates are flat and free from defects?
A: Our production process includes leveling and ultrasonic testing (UT) to ensure flatness and internal soundness. We also perform visual inspection and dimensional checks before shipment. -
Q: Can you ship to my country? What are the shipping terms?
A: We export to all major markets using FOB, CIF, CFR, or DAP terms. We have experience with logistics to North America, Europe, Asia, Africa, and Oceania. Please contact us for a shipping quote.
For more information, please reach out to our sales team at any time. We look forward to partnering with you on your next project!
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