Hot Rolled Carbon Steel Rebar 12mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
OKorder is offering Hot Rolled Carbon Steel Rebar 12mm 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.
Product Applications:
Hot Rolled Carbon Steel Rebar 12mm with High Quality 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 Carbon Steel Rebar 12mm with High Quality are durable, strong.packed and suitable for construction
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB335 HRB400 BS4449 Grade460 ASTM Grade40 Grade60
Certificates: ISO, SGS, BV, CIQ
Length:6m 8m 9m 12m
Packaging: Export packing, packed by coil
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.
Q4: Can you supply the Rebar according to the standard KS?
A4: Yes, we can supply SD400 and SD500
Q5: How to avoid the rust after deliver the goods to the loading port?
A5: We will keep the goods at the port covered with water-proof material
Q6: What is the chemical composition and physical properties of HRB400?
A6:
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 | |||||
Images:
- Q: Can steel rebars be used in bridges?
- Bridges can indeed utilize steel rebars. They are frequently incorporated into concrete structures like bridges to reinforce them. This reinforcement gives the concrete added robustness, enabling it to withstand substantial loads and forces. By employing steel rebars in bridges, their durability and structural integrity are improved, ensuring the safety of both the bridge and its users. Moreover, steel rebars possess exceptional tensile strength, a crucial characteristic for countering the tensile forces bridges commonly encounter. In summary, steel rebars are vital elements in bridge construction, contributing significantly to their strength, longevity, and safety.
- Q: What are the different types of steel rebars available for different applications?
- For various applications, there is a wide range of steel rebars available. Some of the commonly used types are as follows: 1. Mild Steel Rebars: These rebars are frequently utilized in construction projects and have a low carbon content, making them cost-effective. They are suitable for general construction purposes and find application in residential buildings, bridges, and small to medium-sized structures. 2. High-strength Reinforcement Bars (HSRB): These rebars possess a higher tensile strength compared to mild steel rebars. They are commonly employed in high-rise buildings, large infrastructure projects, and heavy-duty structures that require greater strength. HSRB rebars are often manufactured using alloys like carbon, manganese, or silicon to enhance their strength. 3. Epoxy-Coated Rebars: To protect against corrosion, these rebars are coated with epoxy resin. Epoxy-coated rebars are commonly used in marine structures, parking garages, and areas with high humidity or exposure to moisture. The epoxy coating acts as a barrier, preventing the steel from coming into contact with corrosive elements, thereby extending the rebar's lifespan. 4. Stainless Steel Rebars: In contrast to mild steel rebars, stainless steel rebars contain a substantial amount of chromium, providing excellent resistance to corrosion. These rebars are often employed in highly corrosive environments such as coastal areas, chemical plants, and wastewater treatment facilities. Stainless steel rebars are also preferred in structures that require high aesthetic appeal, such as architectural buildings and monuments. 5. Galvanized Rebars: Zinc coating is applied to galvanized rebars to safeguard them against corrosion. The zinc coating acts as a sacrificial layer, corroding itself before the underlying steel is affected. These rebars are commonly used in areas with moderate corrosion risks, such as concrete structures exposed to deicing salts or in coastal regions. 6. Carbon Fiber Reinforced Polymer (CFRP) Rebars: CFRP rebars consist of carbon fibers embedded in a polymer matrix. They are lightweight, corrosion-resistant, and possess high tensile strength. CFRP rebars are frequently used in retrofitting existing structures, as they provide excellent strength and durability without adding significant weight. The selection of the appropriate steel rebar depends on the specific application, environmental conditions, and structural requirements. It is crucial to consult structural engineers and adhere to local building codes and standards to ensure the correct type of rebar is chosen for each project.
- Q: What is the role of steel rebars in column and beam construction?
- Steel rebars are essential in column and beam construction because they provide reinforcement, strength, and stability to the structure. In reinforced concrete construction, columns and beams are typically made of strong concrete that is weak in tension. This is where steel rebars come into play. Rebars, also known as reinforcing bars, are long steel rods strategically placed within the concrete to counteract its weakness in tension. They are made of high-strength steel and designed to withstand the tensile forces in a structure. By adding rebars to the concrete, the resulting composite material becomes capable of resisting both compression and tension, making it stronger and more durable. In column construction, steel rebars are vertically placed and tied together in a grid-like pattern. This reinforcement helps the column support the weight of the structure and resist vertical loads such as the weight of the floors or roof above. The rebars also prevent the column from buckling or collapsing under these loads. Similarly, in beam construction, steel rebars are horizontally placed within the concrete beam. These rebars assist the beam in resisting bending and shear forces, which are common in structural elements spanning across openings or supporting loads from above. By providing reinforcement, the rebars ensure that the beam remains stable and can safely bear the imposed loads. Overall, steel rebars enhance the strength, stability, and load-bearing capacity of columns and beams in construction. They improve the structural integrity of concrete elements, allowing them to withstand various forces and loads throughout their lifespan. Without rebars, columns and beams would be weaker and more prone to failure, compromising the safety and longevity of the entire structure.
- Q: What is the process of connecting steel rebars to structural members?
- The process of connecting steel rebars to structural members involves several steps to ensure a secure and reliable connection. Firstly, the rebars, which are typically long, steel bars with ridges or deformations on their surface, need to be accurately positioned within the structural member according to the design specifications. This is often done by using spacers or chairs to maintain the proper spacing between the rebars and the surrounding formwork. Next, the rebars are joined to the structural member using various methods. One common method is through lap splicing, where the rebars are overlapped for a certain distance and then tied together using wire or mechanical connectors. The length of the overlap is determined by engineering calculations to ensure sufficient strength and load transfer. Another method is the use of mechanical couplers, which are pre-fabricated devices that provide a reliable connection between rebars. These couplers are designed to grip the rebars tightly and transfer the load effectively. They offer advantages such as faster installation, reduced labor costs, and improved structural integrity. In addition to splicing, the rebars may also need to be anchored or hooked into the structural member. Anchoring involves extending the length of the rebar beyond the connection point and then bending it back into the concrete, creating a hook shape. This provides additional resistance to the pull-out forces. Throughout the process, it is crucial to ensure that the rebars are clean, free from rust, and properly aligned. Any contaminants or misalignments can weaken the connection and compromise the structural integrity. Therefore, thorough inspection and quality control measures are essential to ensure a successful connection. Overall, the process of connecting steel rebars to structural members involves careful planning, accurate positioning, proper splicing or coupling, and thorough inspection. By following these steps, a strong and durable connection can be achieved, ensuring the safety and stability of the structure.
- Q: Can steel rebars be used in the construction of residential communities?
- Yes, steel rebars can be used in the construction of residential communities. Steel rebars provide strength and durability to reinforced concrete structures, making them suitable for a wide range of construction projects, including residential buildings. The use of steel rebars helps ensure the structural integrity and longevity of the buildings, making them a reliable choice for residential communities.
- Q: How are steel rebars protected against chemical attacks?
- Steel rebars are protected against chemical attacks through a process called corrosion protection. This involves using various techniques and materials to prevent the rebar from coming into contact with corrosive substances that can cause chemical attacks. One common method of protection is the use of protective coatings. This involves applying a layer of material, such as epoxy or zinc, onto the surface of the rebar. These coatings act as a barrier, preventing corrosive substances from reaching the steel surface. Additionally, these coatings can provide an extra layer of protection against moisture and other environmental factors that can contribute to corrosion. Another method of protection is the use of corrosion inhibitors. These are chemicals that can be added to the concrete mix or applied directly to the rebar. Corrosion inhibitors work by forming a protective layer on the surface of the steel, which inhibits the process of corrosion. These inhibitors can be organic or inorganic compounds and are designed to target specific types of corrosion mechanisms. In some cases, stainless steel rebars are used as a measure of protection against chemical attacks. Stainless steel has a higher resistance to corrosion compared to regular steel rebars. This is due to the presence of chromium, which forms a passive layer on the surface of the steel, protecting it from chemical reactions. Stainless steel rebars are often used in highly corrosive environments, such as marine structures or wastewater treatment plants. Regular maintenance and inspection are also crucial in protecting steel rebars against chemical attacks. Any signs of damage or corrosion should be addressed promptly. Regular cleaning and removal of any corrosive substances that accumulate on the rebars can also help prevent chemical attacks. Overall, a combination of protective coatings, corrosion inhibitors, stainless steel rebars, and regular maintenance is essential in protecting steel rebars against chemical attacks. These measures help to extend the lifespan of the rebars and ensure the structural integrity of concrete structures.
- Q: How do steel rebars resist buckling in concrete structures?
- Steel rebars resist buckling in concrete structures due to their high strength and stiffness. When concrete is subjected to compressive forces, it tends to expand laterally, leading to the development of cracks. These cracks weaken the concrete and reduce its ability to bear loads. However, by introducing steel rebars into the concrete, the tensile strength of the structure is greatly enhanced. Steel rebars, which are made of high-strength steel alloys, have exceptional tensile strength. When concrete is subjected to compressive forces, the rebars bear the tensile stresses that occur within the structure. The rebars act as reinforcement, preventing the concrete from cracking and providing additional support to the structure. Moreover, the presence of rebars helps to distribute the compressive forces more evenly throughout the concrete. This ensures that the load is spread over a larger area, reducing the likelihood of localized buckling. The rebars effectively increase the overall stiffness of the structure, making it more resistant to buckling and deformation. Additionally, the bond between the steel rebars and the surrounding concrete plays a crucial role in resisting buckling. The rough surface of the rebars allows for enhanced adhesion with the concrete, creating a strong bond. This bond transfers the applied load from the concrete to the rebars, preventing the concrete from buckling and maintaining the structural integrity of the system. Overall, the combination of high tensile strength, improved load distribution, and strong bond with the concrete enables steel rebars to resist buckling in concrete structures. The presence of rebars significantly enhances the structural performance, ensuring the safety and durability of the concrete structure.
- Q: Can steel rebars be used in corrosive chemical environments?
- No, steel rebars should not be used in corrosive chemical environments as they are susceptible to corrosion which can compromise their structural integrity.
- Q: Are steel rebars susceptible to corrosion?
- Steel rebars can be corroded, as corrosion is a natural occurrence when steel is exposed to moisture, oxygen, and other environmental factors. In concrete structures, the rebars are exposed to the elements and can come into contact with water or moisture, resulting in the formation of rust. This rust weakens the rebars and can ultimately compromise the concrete's structural integrity. Preventive measures can be taken to avoid corrosion, including applying a protective coating or using rebars made of corrosion-resistant steel. It is crucial to regularly maintain and inspect concrete structures to promptly identify and address any signs of corrosion.
- Q: What are the specifications of thread steel?
- Specification requirements for threaded steel shall be specified in the import and export trade contract.Generally should include the standard grade (type code), the nominal diameter of steel, nominal weight (quality), the length of the specifications and the allowable difference between the above indicators.
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Hot Rolled Carbon Steel Rebar 12mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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