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Help CenterDeformed Steel Bar HRB400E 25mm 32mm 40mm With Yield Strength 400MPa for Heavy Construction
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Hemaokang Steel (Shandong) Co., Ltd. is pleased to offer our HRB400E deformed steel bar, available in 25mm, 32mm and 40mm diameters with a guaranteed minimum yield strength of 400MPa. As a manufacturer based in Liaocheng, Shandong, China, we specialize in producing reinforcement steel that supports heavy construction, infrastructure and civil engineering applications. Our factory operates with an ISO9001 quality management system, and our export team serves buyers across multiple global markets from the port of Qingdao. This product is designed for projects that demand dependable steel strength, consistent dimensional accuracy and reliable logistics.
The HRB400E grade is a hot-rolled deformed steel bar with a ribbed surface pattern, which creates a strong mechanical bond with surrounding concrete. The letter “E” in the grade denotes improved seismic ductility, making this rebar particularly suitable for structures exposed to dynamic loads or earthquake-prone regions. With a yield strength of 400MPa, these bars provide a balanced combination of strength and workability for heavy construction.
Product Highlights
- Three large diameters: 25mm, 32mm and 40mm to suit heavy structural members.
- 400MPa yield strength for reliable load-bearing performance.
- Ribbed deformed surface for enhanced bond to concrete.
- Seismic-grade ductility with the HRB400E designation.
- Custom lengths available upon request, including standard 6m, 9m and 12m.
- Factory direct supply from Shandong, China, with export shipping from Qingdao.
Key Specifications
| Diameter | 25mm / 32mm / 40mm |
| Steel Grade | HRB400E |
| Yield Strength | 400MPa (minimum) |
| Surface | Deformed / ribbed |
| Approximate Weight | 25mm: 3.85 kg/m; 32mm: 6.31 kg/m; 40mm: 9.87 kg/m |
| Length | 6m, 9m, 12m or customizable (available upon request) |
| Application | Heavy construction, foundations, bridge piers, retaining walls, concrete columns and beams |
| Quality System | ISO9001 quality management system |
Detailed Features and Benefits
The deformed steel bar is engineered to meet the mechanical needs of large-scale construction. Its high yield strength allows structural designers to use smaller cross-sections while maintaining safety, which can lead to material savings and reduced dead load. The ribbed surface increases the mechanical interlock between steel and concrete, helping to control crack widths and improve the long-term durability of reinforced concrete elements.
- High load capacity: With a minimum yield strength of 400MPa, this rebar is suitable for heavily loaded structural members such as large columns, transfer beams and deep foundations.
- Seismic performance: The HRB400E grade is designed with enhanced ductility, allowing the steel to undergo larger deformations before failure. This behavior helps concrete structures absorb seismic energy and reduce the risk of brittle collapse.
- Surface bond: The deformed ribs increase the mechanical interlock between steel and concrete, reducing slippage and improving crack control.
- Workability: The steel can be cut, bent and installed using standard rebar processing equipment, making it convenient for on-site fabrication.
- Consistency: Each production batch follows documented process control under the ISO9001 quality management system, helping maintain uniform diameter, weight and mechanical properties.
- Supply efficiency: Factory-direct sourcing and export from Qingdao port help reduce lead times and simplify procurement for large projects.
Quality Assurance
At Hemaokang Steel, we understand that rebar quality directly affects the safety of concrete structures. Our production processes are supervised under an ISO9001 quality management system, with documented procedures for material inspection and batch control. Every shipment is checked for dimensions, weight and packaging before leaving the factory. We also support third-party inspection upon request to provide extra confidence for international buyers.
Company Strength and Export Experience
As a manufacturer established in 2025, Hemaokang Steel (Shandong) Co., Ltd. has already reached an annual export value of US$50 million to US$100 million with a team of 51 to 100 employees. Located in Liaocheng, Shandong, we enjoy convenient access to raw materials and a strong transport network to Qingdao port. Our main markets include North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, the Middle East, Northern Europe, Southern Europe, Central America, South Asia and the domestic market. This broad export experience allows us to handle diverse documentation, packaging and delivery requirements for customers around the world.
Frequently Asked Questions
Q1: What diameters and lengths are available?
A: We offer HRB400E deformed steel bars in 25mm, 32mm and 40mm diameters. Standard lengths include 6m, 9m and 12m, and custom lengths can be provided upon request.
Q2: What is the yield strength of this rebar?
A: The minimum yield strength is 400MPa, as indicated by the grade HRB400E. This provides high load-bearing capacity for heavy construction structures.
Q3: What does the “E” in HRB400E mean?
A: The “E” indicates improved ductility and seismic performance. It means the steel has additional requirements for elongation and strength ratio to perform better under earthquake conditions.
Q4: Can you supply custom lengths for export projects?
A: Yes, we can supply standard lengths and custom lengths upon request. Please specify your project requirements so that we can provide the most appropriate cutting plan and packaging.
Q5: How is the deformed steel bar packaged for shipment?
A: Our rebar is typically bundled with steel strips or wire, and waterproof covers can be added for ocean transport. Packaging can be customized to meet your handling and shipping requirements.
Q6: Does the company have a quality management system?
A: Yes, our company operates under an ISO9001 quality management system. We perform inspections on dimensions, surface condition, weight and packaging before shipment. Third-party inspection is also acceptable upon request.
Q7: Do you support international shipping from China?
A: Yes, we export from Qingdao port to many countries, including markets in North America, South America, Europe, Southeast Asia, Africa, Oceania and the Middle East. Our team manages export documentation, shipping arrangements and delivery schedules.
Q8: What is the approximate weight per meter for these bars?
A: For 25mm, the approximate weight is 3.85 kg/m; for 32mm, it is 6.31 kg/m; and for 40mm, it is 9.87 kg/m. These values help with structural calculations and logistics planning.
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