Hot Rolled Deformed bars with Best Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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OKorder is offering Deformed Steel Bar with high quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
Product Applications:
Deformed Steel Bar with high quality are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Deformed Steel Bar with high quality are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
Product Specifications:
Standard | GB | HRB400 | |
Diameter | 10mm-32mm | ||
Length | 6M, 12M | ||
Place of origin | Hebei, China mainland | ||
Advantages | exact size, regular package, chemical and mechanical properties are stable. | ||
Type | Hot rolled deformed steel bar | ||
Chemical Composition:
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) |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered by OKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do you guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: What is the normal tolerance of your steel products ?
A3: Normally 1%-3%, but we can also produce the goods according to the customers' requests
Images:
- Q:How do steel rebars affect the cost of a construction project?
- Several factors come into play when considering how steel rebars can affect the cost of a construction project. To start, reinforced concrete structures often rely on steel rebars for strength and stability. The specific quantity and quality of rebars necessary for a project depend on factors like the structure's size, design, and intended use. The cost of steel rebars is a significant factor to consider. Fluctuations in market conditions, availability, and demand can cause the price of steel rebars to vary, which can have a substantial impact on the overall project cost. Additionally, the grade and quality of rebars can also differ, with higher grades typically being more expensive. Moreover, the quantity of rebars needed directly influences the cost. Large-scale projects that require a significant amount of rebars, such as high-rise buildings or infrastructure projects, can incur considerable expenses related to rebars. The cost is influenced by factors like the structure's size, complexity, and the engineering and design requirements. Labor costs associated with handling, cutting, bending, and placing rebars are another critical consideration. Skilled labor is necessary to ensure proper installation, correct positioning, and securement of rebars. The more complex the structure or design, the more labor-intensive and time-consuming the rebar installation becomes, resulting in higher labor costs. In addition, the use of rebars can impact project scheduling and timelines. Additional time may be required for procuring, delivering, and installing rebars, potentially leading to delays in the overall construction schedule. Any delays can result in increased project costs due to extended labor and overhead expenses. Lastly, it is crucial to consider the long-term cost implications of using rebars. Steel rebars provide durability and strength to concrete structures, which can lead to reduced maintenance and repair costs over the project's lifespan. Investing in high-quality rebars from the start can save money in the long run by minimizing the need for future repairs or replacements. In conclusion, the use of steel rebars has a significant impact on the cost of a construction project. The cost of rebars themselves, the quantity required, labor expenses, project scheduling, and long-term durability considerations all contribute to the overall impact on project cost. Construction professionals must carefully analyze and plan for these factors to ensure accurate cost estimations and successful project execution.
- Q:How do steel rebars improve the flexural strength of concrete?
- Concrete's flexural strength is enhanced by the presence of steel rebars, which reinforce the material and resist tensile forces. Although concrete is strong in compression, it lacks the same strength in tension, making it prone to cracking and failure under bending or other flexural stresses. The addition of steel rebars to the concrete results in a composite material with improved flexural strength. These rebars serve as reinforcement, absorbing and distributing tensile forces throughout the structure. When subjected to bending, the rebars counteract the tension, effectively preventing cracks from forming and spreading. Typically, the rebars are strategically placed in areas where tensile stresses are anticipated, such as the bottom of a beam or the tension face of a slab. Their purpose is to provide sufficient strength to bear the tensile forces and safeguard the concrete from failure. The bond between the rebars and the concrete is essential for ensuring effective transfer of loads from the concrete to the steel reinforcement. Furthermore, the incorporation of rebars allows for the design of slimmer and more efficient concrete elements. By providing the necessary tensile strength, the amount of concrete required can be reduced, resulting in cost savings and lighter structures. The combination of concrete and steel rebars maximizes the material properties of both components, creating a composite material that exhibits strength in both compression and tension. In summary, steel rebars significantly enhance the flexural strength of concrete by reinforcing it against tensile forces, thereby preventing cracking and failure. This reinforcement enables the design of more efficient and durable structures.
- Q:What is the role of steel rebars in ensuring occupant safety?
- Various structures, particularly buildings and infrastructure, rely on steel rebars to ensure occupant safety. These reinforced steel bars are commonly used in concrete construction to strengthen and prolong the lifespan of the structure. Ultimately, this safeguards the individuals residing or working within these structures. Steel rebars have a primary function of providing structural reinforcement to concrete elements like columns, beams, and slabs. By incorporating rebars into the concrete, the overall load-bearing capacity of the structure is greatly increased. This allows it to endure external forces and loads, significantly reducing the risk of collapse or structural failure that could harm the occupants. During seismic events, such as earthquakes, steel rebars play a crucial role in dissipating and distributing the energy exerted on the structure. The ductility and tensile strength of steel enable it to absorb and distribute seismic forces, minimizing the chances of a sudden structural failure. Consequently, occupants are protected from potential hazards associated with seismic activity. Additionally, steel rebars enhance the fire resistance of concrete structures. While concrete itself possesses good fire-resistant properties, the inclusion of steel rebars further strengthens this resistance. Steel has a high melting point and low thermal conductivity compared to other materials. This means that steel rebars can withstand high temperatures for an extended period, ensuring the building's structural integrity during a fire and providing occupants with a safe evacuation route. Furthermore, steel rebars contribute to the long-term durability and maintenance of the structure. They prevent cracks and minimize the effects of corrosion, maintaining the concrete's structural integrity over time. This ensures that occupants are not exposed to potential hazards caused by structural deterioration. In summary, the role of steel rebars in ensuring occupant safety is essential. They provide structural reinforcement, increase load-bearing capacity, enhance fire resistance, and contribute to the long-term durability of a structure. By incorporating steel rebars into concrete construction, the risk of collapse, structural failure, and other potential hazards is significantly reduced, ultimately creating a safe environment for occupants.
- Q:Can steel rebars be used in the construction of railway tracks?
- Yes, steel rebars can be used in the construction of railway tracks. They are commonly used as reinforcement in the concrete sleepers, which are an integral part of the railway track system. The rebars provide strength and durability to the sleepers, ensuring the stability and longevity of the tracks.
- Q:What is the process of reinforcing concrete walls with steel rebars?
- The process of reinforcing concrete walls with steel rebars involves several steps. First, the design and placement of rebars are determined based on the structural requirements. Then, the concrete wall is prepared by cleaning and ensuring a strong bond with the rebars. Next, the rebars are cut and bent according to the specified dimensions and patterns. These rebars are then placed in the desired positions within the formwork, ensuring proper spacing and alignment. Once the rebars are in place, the concrete is poured, encapsulating the rebars and forming a solid structure. The concrete is allowed to cure and harden, creating a reinforced concrete wall that is stronger and more resistant to cracking or structural failure.
- Q:Can steel rebars be used in tunnels or underground transportation systems?
- Tunnels or underground transportation systems can indeed utilize steel rebars. These rebars are frequently employed in construction projects, including tunnels and underground transportation systems, owing to their durability and high tensile strength. By providing reinforcement to concrete structures, they enhance their structural integrity and prevent cracking or collapsing. In underground environments where moisture and other corrosive elements may exist, the resistance to corrosion exhibited by steel rebars is particularly crucial. Moreover, steel rebars can be easily fabricated and installed, making them a practical option for construction projects with tight schedules. All in all, steel rebars constitute a dependable and widely utilized material in tunnels and underground transportation systems, ensuring the safety and durability of the structures.
- Q:How to judge the quality of thread steel?
- Use material tester to measure data, then compare with national standard data.
- Q:Why is the earthing device forbidden to use thread steel instead of round steel as lap steel bar?
- 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:Can steel rebars be used in the construction of museums and cultural centers?
- Yes, steel rebars can be used in the construction of museums and cultural centers. Steel rebars provide strength and durability, making them suitable for reinforcing concrete structures.
- Q:Can steel rebars be used in the construction of residential complexes?
- Yes, steel rebars can be used in the construction of residential complexes. Steel rebars are commonly used as reinforcement in concrete structures, including residential buildings, to provide strength and stability. They help to distribute the load and resist tension, enhancing the overall structural integrity of the complex.
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Hot Rolled Deformed bars with Best Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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