Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Product Description:
OKorder is offering Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material 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:
Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material 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 Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material 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:
Deformed bars/reinforced bars:
1.Material:GB--HRB400/HRB500 ; BS4449--460B/500B;
ASTM A615-Gr40/60 ; AS4671--500N/500E;
JISG3112--SD400 ; DIN488-1--BST500S;
KS-SD390.
2.Standard.:ASTM/JIS/DIN/BS/GB/KS.
3.Diameter:6-50mm.
The Specification of Deformed Steel Bars
| THEORETICAL WEIGHT INDEX | ||
| SIZE(mm) | CUT AREA(cm2) | THEORETICAL WEIGHT(kg/m) |
| 8 | 0.503 | 0.395 |
| 9 | 0.636 | 0.5 |
| 10 | 0.79 | 0.62 |
| 12 | 1.13 | 0.89 |
| 14 | 1.54 | 1.21 |
| 16 | 2.01 | 1.58 |
| 18 | 2.55 | 2 |
| 20 | 3.14 | 2.47 |
| 22 | 3.8 | 2.98 |
| 25 | 4.91 | 3.85 |
| 28 | 6.16 | 4.83 |
| 32 | 8.04 | 6.31 |
| Grade | Technical data of the original chemical composition(%) | ||||||||
| C | Mn | Si | S | P | B | ||||
| HRB335 | ≤ 0.25 | ≤ 1.60 | ≤ 0.80 | ≤ 0.045 | ≤ 0.045 | >0.0008 | |||
| Physics capability | |||||||||
| Yield Strength(N/cm 2 ) | Tensile Strength(N/cm 2 ) | Elongation (%) | |||||||
| ≥ 335 | ≥ 490 | ≥ 16 | |||||||
| 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 |
| Physics capability | ||||||
| Yield Strength ( N/cm 2 ) | Tensile Strength ( N/cm 2 ) | Elongation (%) | ||||
| ≥ 400 | ≥570 | ≥ 14 | ||||
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.
- Q: What are the different types of steel rebars used in tunnel constructions?
- Tunnel constructions rely on the use of different steel rebars to strengthen and fortify the tunnels. These rebars play a vital role in providing stability and reinforcement to the tunnel structures. Below are several types of steel rebars commonly utilized in tunnel constructions: 1. Mild Steel Rebars: Also known as black or carbon steel rebars, mild steel rebars are the most frequently employed in tunnel constructions. They are both cost-effective and possess sufficient strength to meet the structural demands of tunnels. 2. High-Strength Steel Rebars: High-strength steel rebars, sometimes referred to as tension steel, offer enhanced tensile strength, making them ideal for tunnels that require high load-bearing capabilities. These rebars are typically fabricated from alloys such as ASTM A615 Grade 80 or ASTM A706 Grade 80. 3. Stainless Steel Rebars: Stainless steel rebars are resistant to corrosion and provide excellent durability in harsh tunnel environments. They are commonly used in tunnel constructions where corrosion protection is vital, such as in marine or coastal areas. 4. Epoxy-Coated Rebars: Epoxy-coated rebars are regular mild steel rebars that have been coated with epoxy to safeguard against corrosion. They are often employed in tunnel constructions that are exposed to moisture, chemicals, or other corrosive elements. 5. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to shield them from corrosion. They are commonly used in tunnel constructions that are exposed to moisture or in regions with high humidity levels. 6. Fiberglass Rebars: Fiberglass rebars, also known as GFRP (Glass Fiber Reinforced Polymer) rebars, are lightweight and resistant to corrosion. They are used in tunnel constructions where reducing weight is crucial or in areas with high electromagnetic interference. 7. Carbon Fiber Rebars: Carbon fiber rebars, also called CFRP (Carbon Fiber Reinforced Polymer) rebars, possess high tensile strength and are resistant to corrosion. They are often utilized in tunnel constructions that require high tensile strength and resistance to chemical or environmental degradation. Choosing the appropriate type of steel rebar for tunnel constructions depends on various factors such as load-bearing requirements, exposure to corrosion, environmental conditions, and project budget. It is advisable to consult with structural engineers or construction experts to ensure the optimal selection of steel rebars for tunnel projects.
- Q: What are the different types of coatings available for protecting steel rebars?
- There are several types of coatings available for protecting steel rebars, including epoxy coatings, polyethylene encasement, zinc coatings, and fusion-bonded epoxy coatings. These coatings provide different levels of protection against corrosion, ensuring the longevity and durability of the steel rebars in various environments.
- Q: How do steel rebars affect the overall fire safety of a structure?
- The overall fire safety of a structure can be affected both positively and negatively by steel rebars. On the positive side, steel rebars contribute to the strength and stability of the structure, enabling it to withstand the impact of a fire and prevent collapse. This is particularly important for high-rise buildings or structures at risk of fire hazards. Moreover, steel rebars have a high melting point, making them more resistant to heat compared to other building materials. This characteristic slows down the spread of fire and allows for additional time for evacuation or firefighting efforts. However, there are also negative effects of steel rebars on fire safety. Exposed to high temperatures, steel expands, leading to structural deformations and potential failure of the rebars. This compromises the integrity of the structure and increases the risk of collapse. Furthermore, steel rebars conduct heat, transferring it from the fire to other parts of the structure. This localized heating weakens nearby materials and can accelerate the spread of fire within the building. To address these negative effects, fire-resistant coatings or fireproofing materials can be applied to the steel rebars. These coatings insulate and protect the rebars from high temperatures, delaying their failure and reducing the risk of collapse. In conclusion, while steel rebars enhance the overall fire safety of a structure through their strength and stability, they also come with drawbacks. Implementing appropriate fire protection measures, such as fire-resistant coatings, is vital to ensure optimal performance of the rebars during a fire.
- Q: What is the resistance of steel rebars against acid attacks?
- Due to the protective layer of rust that forms on their surface, steel rebars exhibit a high resistance to acid attacks. This layer, commonly known as iron oxide, acts as a barrier, effectively preventing direct contact and corrosion between the steel and the acid. Furthermore, the steel rebars' resistance to acid attacks is enhanced by their high carbon content, which results in the formation of a protective film that provides additional shielding from acid damage. However, it is important to bear in mind that extended exposure to highly concentrated or corrosive acids may still cause some degree of corrosion, although at a slower pace compared to other metals. Therefore, it is recommended to carefully choose the appropriate grade of steel rebar and implement supplementary protective measures, such as coatings or concrete coverings, in order to ensure optimal resistance against acid attacks in specific applications.
- Q: What are the different types of steel rebars used in beam reinforcement?
- Different types of steel rebars are commonly utilized for beam reinforcement. These include: 1. Mild Steel Rebars (MSR): Low carbon steel is used to produce these rebars, which are widely employed due to their affordability and availability. They possess a yield strength of 250 MPa and are suitable for general construction purposes. 2. High Yield Strength Rebars (HYSD): These rebars exhibit a higher yield strength in comparison to mild steel rebars, typically ranging from 415 MPa to 600 MPa. They find common usage in heavy-duty and high-stress applications, such as bridges and high-rise buildings. 3. Carbon Steel Rebars: Carbon steel rebars are manufactured from steel with a higher carbon content than mild steel rebars. They offer enhanced strength and ductility, making them appropriate for areas prone to corrosion and seismic zones. 4. Stainless Steel Rebars: Stainless steel rebars are produced using steel with a high chromium content and other alloying elements. They possess excellent corrosion resistance, making them ideal for structures exposed to harsh environments like marine applications or chemical plants. 5. Epoxy-Coated Rebars: These rebars are coated with an epoxy layer to provide additional protection against corrosion. Epoxy-coated rebars are frequently utilized in structures exposed to moisture or chloride-rich environments, such as coastal regions or areas with deicing salts. It is crucial to consider the specific requirements and conditions of the project when selecting the type of steel rebar for beam reinforcement. It is recommended to consult with structural engineers or industry professionals to ensure the appropriate material is chosen for optimal performance and longevity of the reinforced beam.
- Q: Can steel rebars be used in stadium construction?
- Yes, steel rebars can definitely be used in stadium construction. Steel rebars are commonly used in the construction of stadiums due to their high strength and durability. They provide structural support and reinforcement to concrete elements such as beams, columns, and foundations, ensuring the overall stability and safety of the stadium structure.
- Q: What are the guidelines for the proper curing of concrete with steel rebars?
- The guidelines for the proper curing of concrete with steel rebars include ensuring a moist and controlled environment for the concrete to cure. This can be achieved by covering the concrete with a plastic sheet or using curing compounds. It is important to avoid rapid drying or exposure to extreme temperatures during the curing process. Additionally, regular monitoring of the curing process and proper hydration of the concrete are crucial to ensure the rebars bond effectively with the concrete and achieve maximum strength.
- Q: Are steel rebars suitable for use in high-rise buildings?
- Yes, high-rise buildings can use steel rebars as they are suitable for this purpose. Steel rebars, also known as reinforcing bars, are commonly utilized in the construction industry to provide strength and stability to concrete structures. In order to withstand various loads and forces like wind, earthquakes, and the weight of the building itself, high-rise buildings require a robust and resilient structural system. Steel rebars possess exceptional tensile strength and ductility, making them an ideal choice for reinforcing concrete in such structures. One of the primary advantages of steel rebars is their ability to resist tensile forces. While concrete is strong in compression, it is weak in tension. Steel rebars help overcome this weakness by providing the necessary tensile strength. This is particularly important in high-rise buildings where the weight of the structure can induce tension on the concrete components. By reinforcing the concrete with steel rebars, the overall structural integrity of the building is enhanced, ensuring its safety and stability. Furthermore, steel rebars exhibit superior ductility, meaning they can deform under stress without fracturing. This property is crucial in high-rise buildings as they are subjected to dynamic loads and potential movements caused by factors like wind or seismic activity. Steel rebars can absorb and distribute these forces, minimizing the risk of structural failure or collapse. Moreover, steel rebars are readily available and cost-effective compared to alternative materials such as carbon fiber or fiberglass. They can be easily fabricated and installed in various shapes and sizes to meet the specific design requirements of high-rise buildings. However, it is important to note that the suitability of steel rebars in high-rise buildings also relies on proper design, installation, and regular maintenance. It is crucial to adhere to the relevant building codes and standards, ensure adequate corrosion protection, and conduct regular inspections to identify any potential issues. By following these practices, steel rebars can provide a dependable and long-lasting reinforcement solution for high-rise buildings.
- Q: Can steel rebars be used in the construction of sports stadiums or arenas?
- Yes, steel rebars can be used in the construction of sports stadiums or arenas. Steel rebars are a commonly used reinforcement material in concrete structures, including stadiums and arenas. They provide strength, durability, and structural integrity to the concrete, making them suitable for the demanding requirements of sports facilities.
- Q: What is the effect of overloading on steel rebars?
- Overloading on steel rebars can have a detrimental effect on their structural integrity. It can lead to deformation, bending, or even fracture of the rebars, compromising the overall strength and stability of the reinforced structure. Additionally, overloading can accelerate corrosion processes, reducing the rebars' lifespan and potentially causing structural failure. Therefore, it is essential to ensure that steel rebars are not subjected to excessive loads to maintain their performance and prevent potential hazards.
Send your message to us
Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
