• Hot Rolled Carbon Steel Deformed Bar 16-25mm with High Quality System 1
  • Hot Rolled Carbon Steel Deformed Bar 16-25mm with High Quality System 2
  • Hot Rolled Carbon Steel Deformed Bar 16-25mm with High Quality System 3
Hot Rolled Carbon Steel Deformed Bar 16-25mm with High Quality

Hot Rolled Carbon Steel Deformed Bar 16-25mm with High Quality

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
15000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Carbon Steel Deformed Bar 16-25mm 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 Deformed Bar 16-25mm 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 Deformed Bar 16-25mm 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: How many tons per bundle?

A4: Around 2-3tons

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

 

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Q:What are the common grades of steel rebars?
Steel rebars are commonly classified based on their yield strength, which measures the force needed to deform or bend the steel. The most frequently seen grades of steel rebars are Grade 40, Grade 60, and Grade 75. Grade 40 steel rebars possess a minimum yield strength of 40,000 pounds per square inch (psi) and are often utilized in general construction projects that require moderate strength. Grade 60 steel rebars have a minimum yield strength of 60,000 psi and are extensively employed in reinforced concrete structures like bridges, buildings, and highways. They exhibit superior strength and durability compared to Grade 40 rebars, making them suitable for heavy-duty applications. Grade 75 steel rebars have a minimum yield strength of 75,000 psi and are commonly used in high-rise buildings, dams, and other structures that demand exceptional strength and load-bearing capacity. These rebars provide the highest level of strength and are specifically designed for structures exposed to extreme conditions or heavy loads. It should be noted that the selection of the appropriate grade of steel rebars for a specific project is determined by structural engineers, considering factors such as expected loads, environmental conditions, and design specifications.
Q:What are the methods used for corrosion protection of steel rebars?
There are several methods used for corrosion protection of steel rebars. 1. Coating: One common method is to apply a protective coating on the surface of the steel rebar. This coating acts as a barrier, preventing moisture and oxygen from reaching the steel surface and causing corrosion. Coatings can be applied using various techniques such as hot-dip galvanizing, epoxy coatings, or fusion-bonded epoxy coatings. 2. Cathodic Protection: Another method is cathodic protection, which involves the use of sacrificial anodes or impressed current systems. Sacrificial anodes are made of a more reactive metal (such as zinc or magnesium) that corrodes over time instead of the steel rebar. This ensures that the steel remains protected. Impressed current systems use an external power source to provide a protective current to the steel rebar, preventing corrosion. 3. Concrete cover: A simple but effective method is to provide a sufficient concrete cover over the steel rebar. The concrete acts as a physical barrier, shielding the steel from the environment. The thickness of the concrete cover is critical and should be designed according to specific standards to ensure adequate protection. 4. Inhibitors: Corrosion inhibitors can be added to the concrete mix or applied on the surface of the steel rebar. These inhibitors work by reducing the corrosive effects of moisture and oxygen on the steel surface. They can be organic or inorganic compounds that form a protective layer on the steel, inhibiting the corrosion process. 5. Proper design and construction practices: Lastly, proper design and construction practices can greatly contribute to corrosion protection. This includes avoiding the use of dissimilar metals that can cause galvanic corrosion, ensuring proper drainage to prevent water accumulation, and taking measures to minimize exposure to corrosive environments. It is important to note that a combination of these methods is often used to provide optimal corrosion protection for steel rebars, depending on the specific project requirements and environmental conditions.
Q:Are steel rebars prone to expansion and contraction?
Yes, steel rebars are prone to expansion and contraction due to changes in temperature.
Q:How are steel rebars connected or joined together during construction?
During construction, there are several methods and techniques for connecting steel rebars. One common method is to overlap the rebars and tie them together with steel wire, a process known as rebar tying or wire tying. To ensure a strong and secure connection, the rebars are overlapped at a length typically 40 to 60 times the diameter of the rebars. This overlapping length allows for load transfer and structural integrity. Once properly overlapped, steel wire is tightly wrapped around the intersection point to hold the rebars together. Another method is to use mechanical couplers, which are pre-fabricated devices that join two rebars together. These couplers provide a threaded connection, allowing for a more precise and efficient joining process. The rebars are inserted into the couplers and tightened using a wrench or appropriate tool. In larger construction projects, welding is also used to connect rebars. This involves melting the rebars at the intersection point and fusing them together with heat and pressure. Welding provides a strong and permanent connection but requires skilled labor and safety precautions. In some cases, rebars can be connected using epoxy bonding. This involves applying adhesive to the rebars' surface and pressing them together. The epoxy acts as a bonding agent, creating a durable connection. The method of connecting rebars depends on factors like rebars' size, project requirements, and construction techniques. It's important to follow industry standards and guidelines to ensure proper connection and integrity, as rebars play a critical role in reinforcing concrete structures.
Q:What are the safety precautions when working with steel rebars?
When working with steel rebars, some important safety precautions to follow include wearing proper personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. It is crucial to handle rebars with care to avoid cuts or punctures, as the sharp edges can be hazardous. Additionally, workers should always be cautious of their surroundings and ensure a clear and organized work area to prevent tripping or falling accidents. Lastly, it is important to follow proper lifting techniques and use appropriate equipment to avoid strain or back injuries.
Q:Can steel rebars be used in structures with aggressive chemical exposure?
Steel rebars can be used in structures with aggressive chemical exposure, but their performance may be compromised depending on the specific chemicals involved. It is crucial to select the appropriate type of steel with corrosion-resistant properties or use protective coatings to prevent degradation and maintain structural integrity. Additionally, regular maintenance and monitoring are required to ensure the rebars' durability in such environments.
Q:What are the common mistakes to avoid when handling and storing steel rebars?
Some common mistakes to avoid when handling and storing steel rebars include: 1. Improper handling: Rebars should be lifted and moved using appropriate equipment such as cranes or forklifts. Attempting to handle them manually can lead to injuries and damage to the rebars. 2. Inadequate storage conditions: Rebars should be stored in a clean, dry, and well-ventilated area to prevent rusting and corrosion. Exposure to moisture or extreme temperatures can degrade the quality of the rebars. 3. Insufficient support: When storing rebars horizontally, they should be placed on a flat surface and adequately supported to prevent bending or deformation. Stacking them too high without proper support can result in damage and compromise their structural integrity. 4. Inadequate protection: Rebars should be protected from direct contact with the ground or other materials that may cause damage or contamination. Using pallets or other protective barriers can help prevent rust and ensure the rebars remain in good condition. 5. Neglecting regular inspections: Regularly inspecting the rebars for signs of damage, rust, or other defects is crucial. Any compromised rebars should be removed from use to ensure safety and structural reliability. By avoiding these common mistakes, the handling and storage of steel rebars can be done effectively, ensuring their quality and performance in construction projects.
Q:How do steel rebars affect the overall stability of concrete structures?
Steel rebars play a crucial role in enhancing the overall stability of concrete structures. The addition of steel rebars to concrete significantly increases its tensile strength, which is a property that concrete inherently lacks. Concrete is excellent in resisting compressive forces but weak in resisting tensile forces. By incorporating steel rebars into the concrete, the structure becomes more durable and resistant to cracking and deformation. The rebars act as reinforcement by absorbing the tensile stresses that occur due to external loads or internal forces. When these forces are applied, the concrete transfers the tensile stress to the rebars, allowing them to bear the load. This prevents the concrete from cracking and failing under tension, as the rebars strengthen the structure and distribute the forces more evenly. Moreover, steel rebars provide stability and structural integrity to concrete structures in the event of earthquakes or other natural disasters. The rebars help to resist the lateral forces that occur during seismic events, preventing the structure from collapsing or undergoing significant damage. This is particularly important in high-rise buildings or structures that are subjected to heavy loads, where the presence of rebars ensures the overall stability and safety of the structure. Additionally, steel rebars can improve the durability and longevity of concrete structures. By inhibiting cracking and reducing the potential for corrosion, the rebars protect the concrete from environmental factors such as moisture, chemicals, and temperature fluctuations. This helps to maintain the integrity of the structure over time and reduces the need for frequent repairs or replacements. In summary, steel rebars play a vital role in enhancing the overall stability of concrete structures. They provide the necessary tensile strength that concrete lacks, allowing it to withstand external loads and internal forces without cracking or failing. The presence of rebars also ensures structural integrity during seismic events and improves the durability of the concrete. Overall, steel rebars are essential components in constructing strong, safe, and long-lasting concrete structures.
Q:How are steel rebars installed in concrete slabs?
Steel rebars are installed in concrete slabs through a process known as reinforcing. This process involves placing the rebars in a specific pattern or layout within the concrete slab to provide additional strength and support. Firstly, the area where the concrete slab will be poured is prepared by excavating and leveling the ground. This is followed by placing a layer of compacted gravel or crushed stone, known as the base, to provide a stable foundation for the slab. Once the base is in place, the rebars are positioned in the desired locations within the slab. The rebars are typically arranged in a grid-like pattern, with one layer of horizontal rebars placed parallel to each other and another layer of vertical rebars placed perpendicular to the horizontal ones. The spacing and diameter of the rebars depend on the design requirements and the intended load capacity of the slab. To ensure proper positioning, plastic bar supports or chairs are used to lift the rebars off the ground and keep them in place. The rebars are often tied together at the intersections using wire or metal ties to maintain their relative positions during the concrete pouring process. Once the rebars are properly positioned, the concrete is poured over them. The concrete mixture is carefully poured and spread evenly across the entire area of the slab, making sure it fully encases the rebars. Vibrating tools may be used to remove any air bubbles and ensure proper consolidation of the concrete around the rebars. After the concrete has been poured, it is left to cure and harden. During this time, the rebars provide reinforcement to the concrete, increasing its strength and load-bearing capacity. Once fully cured, the concrete slab with the embedded rebars becomes a durable and structurally sound element capable of withstanding various loads and stresses. In summary, steel rebars are installed in concrete slabs by positioning them in a grid-like pattern and then pouring the concrete over them. This reinforcing process enhances the strength and durability of the concrete slab, making it suitable for a wide range of applications.
Q:Can steel rebars be used in high-security facility construction?
Indeed, high-security facility construction can incorporate steel rebars. With their strength and durability, steel rebars prove to be an appropriate choice for reinforcing concrete structures. In the case of high-security facilities, like prisons or government buildings, it becomes essential to ensure that the construction materials offer utmost strength and resistance against potential threats. By providing excellent tensile strength, steel rebars effectively reinforce concrete and enhance the overall structural integrity of the building. Moreover, the flexibility of steel rebars allows customization to meet the specific security requirements of the facility, such as employing thicker rebars or increasing their spacing to bolster reinforcement. Consequently, steel rebars are frequently employed in high-security facility construction, facilitating the establishment of a sturdy and safeguarded infrastructure.

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