Hot Rolled Rebars with High Quality and Best Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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OKorder is offering high quality Hot Rolled Rebars 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.
Product Applications:
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..
Label: to be specified by customer, generally, each bundle has 1-2 labels
Product Advantages:
OKorder's Hot Rolled Rebars 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
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB400 – HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
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 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.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 we 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: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Images:
- Q: What are the listed companies that produce wire rod and thread steel?
- It is commonly known as steel hot rolled ribbed bar. The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction. The thread steel is a kind of small section steel, mainly used for the skeleton of reinforced concrete building member, the raw material for producing thread steel, and the carbon billet is a carbon structural steel or low-alloy structural steel which is treated by calm melting.
- Q: Can steel rebars be replaced with other reinforcement materials?
- Yes, steel rebars can be replaced with other reinforcement materials. While steel rebars have been widely used in construction for their strength and durability, alternative materials have been developed that offer similar or even improved properties. One such alternative is fiber-reinforced polymer (FRP) bars, which are made of high-strength fibers embedded in a polymer matrix. FRP bars are lightweight, corrosion-resistant, and have a high tensile strength, making them an attractive replacement for steel rebars. They are also non-conductive and non-magnetic, making them suitable for use in areas with electromagnetic interference or in sensitive industries such as electronics. Another alternative is carbon fiber reinforced polymer (CFRP) bars, which are similar to FRP bars but are specifically reinforced with carbon fibers. CFRP bars offer even higher tensile strength and stiffness compared to steel rebars, making them particularly suitable for structures that require exceptional load-bearing capabilities. Furthermore, natural fiber reinforced composites (NFRC) have also been explored as a replacement for steel rebars. NFRC can be made from materials such as bamboo, jute, or sisal fibers embedded in a matrix material like cement or polymer. These natural fibers offer good tensile strength and can be a sustainable and cost-effective alternative to steel rebars, especially in regions where these fibers are abundantly available. In conclusion, while steel rebars have been the traditional choice for reinforcement materials in construction, alternatives such as FRP bars, CFRP bars, and NFRC can be viable substitutes. The choice of reinforcement material depends on various factors such as structural requirements, environmental conditions, and cost-effectiveness.
- Q: What does "4E" mean on the rebar?
- In addition, the extension rate of seismic reinforcement is not less than 9%, this figure is far higher than the standard of ordinary steel. And it is these technical indicators to enhance the strengthening of the seismic capacity of reinforced concrete, so that its tilt, deformation can be stabilized, not broken, reducing some casualties.
- Q: Are there any disadvantages of using steel rebars?
- Steel rebars have several drawbacks that should be taken into consideration: 1. Vulnerability to corrosion: Moisture and oxygen can cause steel rebars to rust over time, compromising their structural integrity. This issue is particularly concerning in coastal areas with high humidity levels or structures exposed to harsh weather conditions. 2. Heavy weight: Compared to alternatives like fiberglass or carbon fiber reinforced polymers, steel rebars are relatively heavy. This poses challenges during transportation and installation, especially in large-scale construction projects that require heavy machinery for moving and positioning the rebars. 3. Higher cost: Steel rebars are generally more expensive than other reinforcement materials, which can drive up the overall cost of a construction project. Moreover, the price of steel is subject to market fluctuations, making it difficult to accurately estimate the budget for reinforcement materials. 4. Conductivity issues: Steel rebars have high heat and electrical conductivity, which can be problematic in structures requiring insulation or in areas with stringent electrical conductivity requirements. In such cases, additional insulation or grounding measures may be necessary, adding complexity and cost to the construction process. 5. Environmental impact: The production of steel rebars is energy-intensive and contributes to greenhouse gas emissions. The extraction and processing of iron ore for manufacturing steel rebars can have significant environmental effects such as deforestation, habitat destruction, and air and water pollution. Despite these disadvantages, steel rebars continue to be widely used in construction due to their high tensile strength, durability, and proven track record in providing structural support. Efforts are ongoing to address these drawbacks through advancements in corrosion-resistant coatings and the exploration of alternative reinforcement materials.
- Q: Can steel rebars be used in the construction of power plants?
- Yes, steel rebars can be used in the construction of power plants. Steel rebars provide excellent strength and durability, making them suitable for reinforcing concrete structures in power plants. These rebars help enhance the structural integrity of the plant, ensuring the safety and stability of the overall construction.
- Q: Are there any specific codes and standards for steel rebars?
- Yes, there are specific codes and standards for steel rebars. In the United States, the American Society for Testing and Materials (ASTM) provides standards for steel rebars, such as ASTM A615/A615M for deformed and plain carbon-steel bars for concrete reinforcement. Other countries may have their own codes and standards for steel rebars, such as BS 4449:2005 in the United Kingdom and IS 1786:2008 in India. These codes and standards ensure the quality, strength, and durability of steel rebars in construction applications.
- Q: What are the different grades of steel rebars available in the market?
- There are several grades of steel rebars available in the market, including Grade 40, Grade 60, and Grade 75. These grades indicate the minimum yield strength of the rebars, with Grade 40 having a yield strength of 40,000 pounds per square inch (psi), Grade 60 having a yield strength of 60,000 psi, and Grade 75 having a yield strength of 75,000 psi. The choice of grade depends on the specific application and structural requirements.
- Q: Why does the steel thread have longitudinal ribs?
- The main function of the longitudinal ribs is the force to improve the performance of the transverse ribs, the stress of support surface transverse rib in the longitudinal direction, reducing flange stress concentration, so as to improve the mechanical strength of the reinforced rib, deformation of bond between concrete and steel reinforced concrete, the collaborative work and better.
- Q: What are the guidelines for protecting steel rebars during concrete pouring?
- To ensure the durability and strength of reinforced concrete structures, it is crucial to prioritize the protection of steel rebars during the concrete pouring process. The following guidelines should be adhered to: 1. Thoroughly clean the rebars prior to concrete pouring in order to eliminate any dirt, rust, or contaminants. This can be accomplished by using wire brushes or power tools to achieve a clean and smooth surface. 2. After cleaning, apply a suitable rust inhibitor or anti-corrosion coating to the rebars. This will provide protection against corrosion caused by moisture or chemicals present in the concrete. 3. Ensure that the rebars are placed at the correct depth and spacing as indicated in the structural drawings or design codes. This will provide the necessary reinforcement and structural strength to the concrete. 4. Use appropriate supports, such as chairs or spacer blocks, to maintain the correct alignment and position of the rebars during the concrete pour. This will prevent any displacement or movement of the rebars. 5. Securely tie the rebars together at intersections and overlap areas using steel wire or rebar ties. This will ensure that the rebars remain in place and maintain the desired structural configuration. 6. Prevent direct contact between the rebars and the ground during the pouring process. This can be achieved by elevating the rebars above the ground surface using plastic or concrete chairs. 7. Cover the exposed ends of the rebars with plastic caps to shield them from moisture, dirt, or other contaminants while the concrete cures. 8. Ensure that the rebars are adequately covered by the concrete. The concrete cover refers to the distance between the outer surface of the rebars and the nearest outer surface of the concrete. This cover protects the rebars from external elements and prevents corrosion. 9. Exercise caution during concrete placement to avoid displacing or damaging the rebars. Proper pouring techniques, such as utilizing a tremie pipe or a concrete pump, can help minimize the impact on the rebars. 10. After the concrete is poured, it is vital to properly cure and protect it. This involves covering the concrete with wet burlap or plastic sheeting to maintain moisture levels and prevent premature drying, cracking, or shrinkage. Adequate curing will also assist in protecting the rebars from corrosion. By adhering to these guidelines, effective protection of the rebars during concrete pouring can be achieved, guaranteeing the durability and strength of the reinforced concrete structure.
- Q: Are steel rebars suitable for use in high-temperature applications?
- Yes, steel rebars are generally suitable for use in high-temperature applications. Steel has excellent heat resistance properties and can withstand high temperatures without significant structural degradation. However, it is important to consider the specific requirements of the application and consult with experts to ensure the appropriate type of steel rebar is selected to meet the desired temperature resistance.
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Hot Rolled Rebars with High Quality and Best Price
- 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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