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Help CenterHot Rolled Mild Steel Plate 8mm Used for Bridge Girder Manufacturing
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Hemaokang Steel (Shandong) Co., Ltd. is proud to introduce our Hot Rolled Mild Steel Plate 8mm – a high-performance material specifically engineered for bridge girder manufacturing. With an annual export value exceeding US$50 million and a dedicated team of 51–100 professionals, we combine rigorous quality management (ISO9001:2015 certified) with global supply capabilities to deliver steel plates that meet the most demanding structural requirements. Our 8mm mild steel plate offers the perfect balance of strength, weldability, and cost-effectiveness, making it the preferred choice for large-scale infrastructure projects worldwide.
Key Features & Technical Specifications
- Superior Weldability – Low carbon content ensures smooth welding without preheating, ideal for field assembly of bridge girders.
- Consistent Dimensional Accuracy – ±0.25mm thickness tolerance per ASTM A36 standards, guaranteeing uniform load distribution.
- Excellent Formability – Can be cut, bent, and drilled with ease, reducing fabrication time and costs.
- High Tensile Strength – Minimum yield strength of 250 MPa and tensile strength of 400–550 MPa, compliant with international structural codes.
- Customizable Sizes – Available in widths from 1500mm to 3000mm and lengths up to 12000mm, with sheared or mill edge options.
- Surface Options – Standard black finish or pickled & oiled for rust prevention during transit and storage.
- Certified Quality – Each plate undergoes ultrasonic testing and chemical composition analysis, backed by ISO9001 quality management system.
| Parameter | Value |
|---|---|
| Thickness | 8 mm (0.315 in) |
| Width | 1500–3000 mm (customizable) |
| Length | 6000–12000 mm (customizable) |
| Material Grade | ASTM A36 / GB/T Q235B / S235JR (equivalents) |
| Yield Strength (min) | 250 MPa |
| Tensile Strength (min) | 400–550 MPa |
| Elongation (min) | 20% (in 200 mm) |
| Surface Condition | Black, Pickled & Oiled, or Shot Blasted (optional) |
| Edge Type | Mill edge (standard) or Sheared edge (precision) |
| Packing | Bundled with steel straps, waterproof paper, or container loading |
Why Choose Our 8mm Hot Rolled Mild Steel Plate for Bridge Girders? Bridge girders require materials that can withstand dynamic loads, environmental exposure, and heavy traffic – our plate delivers on all fronts. The hot rolling process refines the grain structure, resulting in improved toughness and ductility compared to cold-rolled alternatives. Plus, the 8mm thickness offers a lightweight yet robust solution for girder webs, flanges, and stiffeners, reducing overall structure weight without compromising safety.
Our manufacturing facility in Liaocheng, Shandong is equipped with advanced rolling mills, automated shearing lines, and in-house testing laboratories. Every coil of steel is traceable from raw material to finished product, ensuring batch-to-batch consistency. We also offer third-party inspection services (such as SGS, BV, or TÜV) upon request, giving you full confidence in the product quality.
Customer Benefits:
- Reduce project delays – reliable stock availability and fast lead times (15–25 days).
- Lower total cost of ownership – long service life with minimal maintenance.
- Simplify logistics – we offer custom cutting, drilling, and bending services to reduce your fabrication steps.
- Global delivery – we ship to North America, South America, Europe, Africa, Oceania, and Asia via sea or rail.
Trust Hemaokang Steel – Your Partner in Infrastructure Growth Since our establishment in 2025, we have exported over 200,000 tons of steel plates to more than 30 countries. Our ISO9001:2015 certification ensures that every process – from procurement to packaging – meets international quality standards. With an annual export value of US$50–100 million, we have the capacity and experience to handle large-scale orders for bridge projects, including those requiring multiple sizes and grades. Contact our sales team today for a quotation, technical datasheet, or mill test certificate.
Frequently Asked Questions (FAQ)
-
Q: Is this 8mm plate suitable for load-bearing bridge girders?
A: Yes. Our hot rolled mild steel plate meets ASTM A36 and equivalent standards, with a minimum yield strength of 250 MPa, making it suitable for secondary and primary girder components in bridges designed according to AASHTO, Eurocode, or Chinese GB specifications. -
Q: Can you provide cut-to-size pieces for my specific girder dimensions?
A: Absolutely. We offer custom cutting (plasma, laser, or shearing) to your exact width and length requirements. Additional processing like drilling or chamfering is also available upon request. -
Q: What is the typical lead time for an order of 500 tons?
A: For standard sizes (8mm x 2000mm x 12000mm), the lead time is approximately 15–20 working days after deposit. For special sizes or surface treatments, please allow 20–25 days. Our production capacity can handle up to 10,000 tons per month. -
Q: Do you supply mill test certificates (MTC) with each shipment?
A: Yes. Every batch is accompanied by a factory MTC showing chemical composition, mechanical properties, and heat number. Third-party inspection reports (e.g., SGS, BV) can be arranged at extra cost. -
Q: How do you protect the plates from rust during sea freight?
A: We offer two options: standard black finish (no additional rust protection, suitable for short transit) or pickled & oiled with VCI paper and plastic wrapping for long-distance shipping. For bridge projects, we recommend the pickled & oiled option to maintain surface quality. -
Q: What is the maximum width you can produce for 8mm plate?
A: Our hot rolling mill can produce widths up to 3000mm. For wider requirements, we can also supply slitted coils from our partners (up to 3200mm width). Contact us for your specific needs. -
Q: Is this plate compatible with welding procedures for bridge construction?
A: Yes. The low carbon equivalent (CEV) value is typically ≤0.45%, which ensures excellent weldability without preheat for most common welding processes (SMAW, GMAW, FCAW). A prequalified WPS can be developed based on your project requirements. -
Q: Can I get a sample piece for testing before placing a large order?
A: Certainly. We can provide free samples (A4 size or 300mm x 300mm) for you to evaluate the material’s flatness, surface quality, and machinability. You only pay for the shipping cost. Please contact us to request a sample.
* All information provided is based on standard production specifications. For project-specific requirements, please consult our technical team.
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