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Help Center12mm HRB400 Deformed Reinforced Steel Bar 12m Length for Concrete Construction
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As a dedicated steel manufacturer and exporter, Hemaokang Steel (Shandong) Co., Ltd. brings you a premium 12mm HRB400 deformed reinforced steel bar in 12-meter lengths, tailored for demanding concrete construction projects. This rebar is engineered with a high minimum yield strength of 400 MPa and a robust ribbed surface that ensures exceptional anchoring in concrete, resulting in safer and more durable structures. Our factory combines advanced hot-rolling technology with rigorous quality supervision, and our ISO9001-certified management system guarantees that every batch meets strict dimensional and mechanical requirements. With an annual export value ranging from US$50 million to US$100 million, we are positioned to deliver large quantities on schedule while maintaining close attention to each client's specifications.
The product is manufactured from selected carbon steel billets, heated and rolled under controlled conditions to produce uniform microstructure and stable mechanical properties. Its 12mm diameter is versatile enough for residential, commercial, and infrastructure projects, while the 12m length minimizes overlapping joints, thereby reducing material waste and erection labor. Whether used in beams, columns, slabs, foundations, or precast elements, this deformed bar offers the reliability and workability that builders depend on.
Key Technical Specifications
| Parameter | Specification |
| Nominal Diameter | 12 mm |
| Standard Length | 12 m |
| Steel Grade | HRB400 |
| Surface Pattern | Deformed (ribbed) |
| Min. Yield Strength | 400 MPa |
| Tensile Strength | 540 MPa (typical) |
| Elongation | ≥16% (typical) |
| Application | Reinforced concrete structures |
Product Features & Benefits
- High strength: HRB400 grade ensures a minimum yield strength of 400 MPa, providing excellent load-bearing performance for critical structural members.
- Superior bonding: The deformed surface pattern increases the contact area between steel and concrete, significantly reducing the risk of slipping and improving crack control.
- Optimal length: Each bar is precisely cut to 12 meters, an ideal length for standard transportation and construction layouts, reducing unwanted cut-offs and splices.
- Consistent quality: Chemical composition and mechanical properties are tested per heat, ensuring every shipment meets declared specifications.
- Good weldability: Low carbon equivalent allows conventional welding methods, facilitating on-site assembly and fixation.
- Anti-corrosion option: Plain or oil-coated surfaces are available to provide temporary protection during storage and transport.
- Customizable lengths: Although the standard length is 12m, custom cutting lengths such as 9m, 10m, or 11m are available upon request.
- Export packaging: Machine-compressed bundles with wire or steel straps ensure safe handling and efficient sea loading at Qingdao port.
This deformed steel bar is principally applied in reinforced concrete construction, including but not limited to foundations, columns, shear walls, slabs, bridge decks, tunnels, and marine structures. It is also an excellent choice for precast concrete products and concrete piles. The combination of high ductility and strong anchorage makes it particularly suitable for regions with seismic activity, as it helps absorb energy during cyclic loading. For contractors and engineers, this 12mm HRB400 bar provides a cost-effective balance of strength, weight, and handling convenience.
Quality Control and Testing
At Hemaokang Steel, each production run follows a strict quality chain. Raw materials are received with mill certificates and verified for chemical composition. During hot rolling, temperature and speed are remotely monitored to maintain uniform metallurgical properties. After rolling, the bars undergo dimensional checks and sampling for tensile tests, bend tests, and elongation measurements. Only bars that pass all criteria are allowed into our warehouse for export. Our in-house laboratory is equipped with universal testing machines and digital callipers, enabling us to provide test reports for each batch. If third-party inspection is required, we can arrange an independent inspector at the buyer's request.
Packing and Shipping
The bars are bundled into neat units with a nominal weight of about 2 tons per bundle depending on the order. Each bundle is wrapped with water-proof cloth or steel strips, with lifting loops for easy crane operation. Loading is carried out under the supervision of our quality team, and damage-proof dunnage is placed in the container. We generally ship through Qingdao port, one of the busiest ports in China, offering frequent sailings to global destinations. We provide both FOB and CIF terms, and our logistics department ensures timely documentation.
Choose Hemaokang Steel (Shandong) Co., Ltd. as your long-term partner for reinforcing steel. Despite being established in 2025, our team has already achieved an annual export value in the range of US$50 million to US$100 million, with 51–100 experienced professionals covering sales, quality, and shipping. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia, plus the domestic Chinese market. Our ISO9001 certification demonstrates our commitment to systematic quality management, and our customer-first approach ensures you receive prompt quotations, transparent communication, and dependable after-sales support. For a competitive quote or to request samples and test certificates, please contact our sales team today.
Frequently Asked Questions
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Q: What is the minimum order quantity for the 12mm HRB400 deformed bar?
A: For standard sizes, our MOQ is typically 20 metric tons. For trial orders or special requirements, please contact us and we will try to arrange a smaller quantity for sampling purposes. -
Q: Can you supply other lengths besides 12m?
A: Yes, we can cut bars to lengths such as 6m, 9m, 10m, or 11m, or any customized length. Please specify your required length and it will be accommodated upon request. -
Q: How long is the production and delivery time?
A: For standard 12mm HRB400 rebar, production normally takes 7–15 days after order confirmation. The total delivery time depends on the shipping schedule from Qingdao port to your destination. -
Q: Do you provide mill test certificates?
A: Yes, each batch is accompanied by a mill test certificate that includes the chemical composition, mechanical properties, and dimensional inspection results. Independent inspection from a third party can also be arranged upon request. -
Q: What packaging do you use for sea freight?
A: We use strong steel-strapped bundles with protective wrapping at the ends, suitable for loading in containers or breakbulk vessels. We ensure the cargo is securely stowed and dunnaged to prevent movement during transit. -
Q: What payment terms do you accept?
A: We commonly accept T/T (30% deposit, 70% balance against copy of B/L) and irrevocable L/C at sight. More flexible terms can be discussed based on the order amount and your company's credit history. -
Q: Is your product compliant with international standards?
A: The bars are produced according to the Chinese national standard for HRB400 rebar. For international projects, we can work with your specified standard or third-party requirements upon request. -
Q: Can I get samples before placing a bulk order?
A: Samples are available upon request. We can send a short-cut length sample by express courier at an affordable cost; the sample cost is deductible from a future bulk order.
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