Steel Ribbed Rebar HRB400
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Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
Usage and Applications of HRB400 Deformed Steel Bar:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Packaging & Delivery of HRB400 Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
- Q: Can steel rebars be used in structures with high radiation shielding requirements?
- Yes, steel rebars can be used in structures with high radiation shielding requirements. Steel has good radiation shielding properties and is commonly used in such structures to provide protection against radiation.
- Q: What is the maximum length of a steel rebar available in the market?
- Manufacturers and the construction industry dictate the maximum length of steel rebar found in the market, which can differ. Typically, steel rebar is available in lengths ranging from 20 feet (6 meters) to 60 feet (18 meters), favored due to transportation and handling limitations. Nevertheless, it is crucial to acknowledge that manufacturers can accommodate custom lengths for project-specific needs upon special request.
- Q: Are steel rebars suitable for use in structures with high resistance to impact?
- Yes, steel rebars are suitable for use in structures with high resistance to impact. Steel rebars are known for their high strength and durability, making them a reliable choice for reinforcing structures that need to withstand impact forces. Their ability to absorb and distribute impact loads helps enhance the structural integrity and resilience of the building, making them a preferred material in construction projects where impact resistance is crucial.
- Q: Can steel rebars be used in tunnel construction?
- Yes, steel rebars can be used in tunnel construction. Steel rebars are commonly used in tunnel construction as they provide strength and reinforcement to the concrete structures. They help to enhance the structural stability and durability of the tunnels, making them capable of withstanding various forces such as ground movements, vehicular loads, and seismic activity.
- Q: Thread steel is embroidered after rain. Can it be used as reinforcing steel?
- Steel is known as hot rolled ribbed bar. Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words. Hot rolled ribbed bar is divided into two levels, HRB335 (old No. 20MnSi), three HRB400 (20MnSiV, 20MnSiNb, old No. 20Mnti), four grade HRB500 three grade.
- Q: How do steel rebars contribute to the stability of a structure?
- Steel rebars contribute to the stability of a structure by providing additional strength and support to the concrete. They help to reinforce and enhance the tensile strength of the concrete, making it more resistant to bending, cracking, and structural failure. This reinforcement ensures that the structure can withstand various external forces, such as wind, seismic activity, and heavy loads, improving its overall stability and durability.
- Q: How do steel rebars contribute to the overall safety of a structure?
- Steel rebars contribute to the overall safety of a structure by providing reinforcement and strength to concrete. They enhance the structural integrity, preventing cracking and failure under heavy loads or during seismic events. Steel rebars also help to distribute and absorb forces, improving the resistance against bending, shearing, and tension. By effectively reinforcing the concrete, steel rebars ensure the durability and longevity of the structure, minimizing the risk of collapse and ensuring the safety of occupants.
- Q: What are the guidelines for storing steel rebars on a construction site?
- To ensure safety and maintain the quality of steel rebars stored on a construction site, it is important to follow several guidelines. Here are some key recommendations: 1. Choose a designated area on the construction site that is flat, clean, and well-drained for storing the rebars. Avoid areas that are prone to flooding or excessive moisture. 2. Elevate the rebars above the ground using wooden or concrete blocks to prevent direct contact with soil or water. This will help prevent rusting and corrosion. 3. Stack the rebars in a stable manner, aligning them vertically and horizontally to maintain their shape and prevent bending or warping. Use spacers or crates between layers to ensure proper spacing and prevent entanglement. 4. Protect the rebars from the elements by covering them with a waterproof tarp or plastic sheet. This will shield them from rain, snow, or excessive sunlight and prevent rusting and degradation. 5. Store different sizes and types of rebars separately to avoid mixing or confusion during construction. Clearly label and mark each stack to identify the type, size, and grade of the rebars. 6. Organize the rebars in a logical manner to provide easy access for construction workers. Place smaller rebars on top for easy retrieval and avoid storing heavier rebars on top of lighter ones to prevent damage. 7. Take safety precautions by maintaining a safe distance between the rebars and any heavy machinery or equipment to minimize the risk of accidents. Secure the rebars properly to prevent them from falling or causing injury. 8. Regularly inspect the rebars for any signs of damage, rust, or corrosion. Replace or repair any compromised rebars to avoid compromising the structural integrity of the construction project. By following these guidelines, construction sites can ensure the proper storage of steel rebars, promoting safety, efficiency, and the longevity of the rebars.
- Q: Can steel rebars be used in the construction of offshore wind farms?
- Yes, steel rebars can be used in the construction of offshore wind farms. They provide structural reinforcement and stability to the foundations and structures of offshore wind turbines, helping withstand the harsh marine environment and strong winds.
- Q: Can steel rebars be used in structures with high sulfate content in soil or water?
- In structures that contain high sulfate levels in soil or water, it is not recommended to use steel rebars. The reaction between sulfates and steel, specifically the iron within the steel rebars, can result in corrosion and the weakening of the structure. This phenomenon, commonly referred to as sulfide attack or sulfate attack, has the potential to lead to the deterioration of the rebars and ultimately compromise the overall integrity of the structure. As a result, it is advisable to explore alternative materials such as stainless steel rebars or non-metallic reinforcement options like fiber-reinforced polymers (FRP) in order to ensure the longevity and safety of the structure.
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Steel Ribbed Rebar HRB400
- Ref Price:
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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