Hot Rolled Reinforcing Deformed Steel Bars in Grade HRB400-HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Item specifice
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 Africa, 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.
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 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 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.
Q4: Can you offer the third part inspection certificates ?
A4: Yes, we can apply third part inspection before shipping, such as SGS, BV, etc .
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- 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 is the diameter range of steel rebars?
- The diameter range of steel rebars typically varies from 6 millimeters to 50 millimeters.
- Q:How are steel rebars classified based on grades?
- Steel rebars are classified based on grades according to the minimum yield strength they possess. The grade of a steel rebar indicates its strength and ability to withstand stress and loads. The most commonly used grades for steel rebars are Grade 40, Grade 60, and Grade 75. Grade 40 rebars have a minimum yield strength of 40,000 pounds per square inch (psi). They are typically used in general construction projects where high strength is not a primary requirement. Grade 40 rebars are suitable for light to moderate load-bearing structures such as residential buildings, sidewalks, and driveways. Grade 60 rebars have a minimum yield strength of 60,000 psi. They are the most commonly used grade for construction purposes and are suitable for a wide range of applications. Grade 60 rebars are used in reinforced concrete structures, bridges, highways, and commercial buildings where higher strength is necessary to withstand heavy loads and seismic forces. Grade 75 rebars have a minimum yield strength of 75,000 psi. They are designed for high-stress applications and are mainly used in large-scale infrastructure projects, such as high-rise buildings, dams, and heavy industrial structures. Grade 75 rebars provide exceptional strength and durability, making them suitable for projects requiring superior load-bearing capacity and resistance to extreme conditions. It is important to note that the specific requirements and standards for steel rebars may vary between different countries and regions. Therefore, it is crucial to follow local codes and regulations to determine the appropriate grade of steel rebar for each construction project.
- Q:How are steel rebars protected against corrosion in aggressive environments?
- Steel rebars are protected against corrosion in aggressive environments by using various methods such as epoxy coatings, zinc coatings, and cathodic protection. These measures create a barrier between the rebar and the corrosive elements, preventing the steel from coming into direct contact with moisture and oxygen. Additionally, proper concrete cover and pH control in the surrounding environment can also contribute to the protection of steel rebars against corrosion.
- Q:What are the guidelines for protecting steel rebars during concrete placement and compaction?
- The guidelines for protecting steel rebars during concrete placement and compaction include ensuring that the rebars are clean and free from any rust, grease, or other contaminants. They should be properly tied and supported to maintain their position and prevent displacement during the concrete pouring process. Additionally, rebars should be adequately spaced to allow concrete to flow around them and provide sufficient cover, as specified in the design requirements. Care should be taken to avoid damaging the rebars during compaction, and vibrating equipment should be used cautiously to prevent excessive force or vibration that could cause rebars to shift or become dislodged. Regular inspections should be conducted to check for any damage or movement of the rebars, and necessary repairs or reinforcement should be done promptly to ensure the structural integrity of the concrete.
- Q:Can steel rebars be used in structures with heavy snow loads?
- Yes, steel rebars can be used in structures with heavy snow loads. Steel rebars provide strength and reinforcement to concrete structures, which helps them withstand heavy loads, including the weight of snow. Additionally, steel rebars have high tensile strength and can resist bending and deformation caused by snow loads, making them suitable for such structures.
- Q:Can steel rebars be used in road or highway construction?
- Road or highway construction can utilize steel rebars. Reinforcing bars, also known as steel rebars, are commonly employed in the construction sector to bolster the strength and support of concrete structures. In the realm of road and highway construction, rebars are typically utilized in the creation of reinforced concrete pavements, bridge decks, and retaining walls. By embedding rebars in concrete, its tensile strength can be enhanced, as concrete is robust in compression but weak in tension. The addition of rebars to the concrete aids in distributing tensile forces, thus enhancing the overall longevity and load-bearing capacity of road or highway infrastructure. The utilization of steel rebars in road or highway construction presents numerous advantages. Firstly, it enhances the structural integrity and lifespan of the infrastructure, as reinforced concrete structures are better equipped to withstand heavy traffic loads, temperature fluctuations, and environmental factors. Secondly, rebars assist in mitigating cracking and deterioration of the concrete, thereby reducing the necessity for frequent repairs and maintenance. Additionally, the utilization of rebars allows for more efficient and cost-effective construction, as it permits the use of thinner concrete sections without compromising strength. All in all, steel rebars are an indispensable component in road or highway construction, as they provide the essential reinforcement to ensure the strength, durability, and longevity of the infrastructure.
- Q:What is the average diameter of steel rebars used in construction?
- The average diameter of steel rebars used in construction typically ranges between 6 millimeters (mm) to 40 mm. However, the specific diameter of the steel rebars may vary depending on the requirements of the construction project and the structural design. It is important to note that different countries or regions may have their own set of standards and regulations regarding the diameter and other specifications of steel rebars used in construction. Therefore, it is advisable to consult the local building codes and engineering professionals to determine the appropriate diameter of steel rebars for a specific construction project.
- Q:How do steel rebars contribute to the fire resistance of concrete?
- Steel rebars contribute to the fire resistance of concrete by providing structural reinforcement. In the event of a fire, the rebars help to maintain the integrity and stability of the concrete structure, preventing it from collapsing or losing its load-bearing capacity. The steel rebars also act as a heat sink, absorbing and dissipating heat away from the concrete, thereby slowing down its temperature rise and reducing the risk of structural failure.
- Q:Can steel rebars be used in structures exposed to aggressive chemicals?
- No, steel rebars should not be used in structures exposed to aggressive chemicals as they can corrode and weaken over time, compromising the structural integrity of the building.
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Hot Rolled Reinforcing Deformed Steel Bars in Grade HRB400-HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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