Hot Rolled Deformed bars with High Quality
- 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 Deformed Steel Bar 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.
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
Product Applications:
Deformed Steel Bar with high quality 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 Deformed Steel Bar with high quality 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
Product Specifications:
Standard | GB | HRB400 | |
Diameter | 10mm-32mm | ||
Length | 6M, 12M | ||
Place of origin | Hebei, China mainland | ||
Advantages | exact size, regular package, chemical and mechanical properties are stable. | ||
Type | Hot rolled deformed steel bar | ||
Chemical Composition:
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) |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
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 you 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 purchasement?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but it is typically 7 to 10 workdays.
bdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Images:
- Q: How do steel rebars affect the overall workability of concrete?
- Concrete's overall workability is significantly improved by steel rebars. Workability refers to how easily concrete can be mixed, placed, compacted, and finished to achieve the desired shape and surface. The incorporation of steel rebars into concrete provides reinforcement and enhances its structural strength. These rebars act as a skeleton within the concrete matrix and evenly distribute loads and stresses throughout the structure. This reinforcement prevents cracking, improves structural integrity, and increases the concrete's load-bearing capacity. Steel rebars also aid in controlling shrinkage and cracking in concrete. During the curing process, concrete tends to shrink, leading to crack formation. However, the presence of rebars counteracts the tensile forces causing shrinkage and cracking, thus enhancing the concrete's overall durability. In addition to their structural benefits, steel rebars also facilitate concrete workability during construction. They guide proper concrete placement and prevent mix segregation or separation. These rebars ensure proper compaction, eliminating potential voids or air pockets and resulting in a more uniform mixture. Furthermore, steel rebars provide stability and support to concrete during curing and hardening stages. They prevent deformation or sagging of fresh concrete, ensuring it maintains its desired shape and form. This is particularly crucial for complex or intricate structures requiring precise shaping and positioning. Overall, the inclusion of steel rebars positively impacts concrete workability by enhancing structural strength, mitigating shrinkage and cracking, facilitating proper placement and compaction, and providing stability during the curing process. The combination of concrete and steel rebars creates a durable and reliable construction material capable of withstanding various loads and environmental conditions.
- Q: What is the role of steel rebars in beam and column design?
- Steel rebars play a crucial role in beam and column design as they provide reinforcement and enhance the structural integrity of these elements. In reinforced concrete structures, rebars are used to resist tensile forces that concrete alone cannot withstand. In beams, rebars are typically placed at the bottom to counteract tensile stresses caused by bending moments. By distributing the load across the beam's length, rebars effectively increase its strength and prevent cracking or failure. The rebars' ability to resist tension helps the beam maintain its shape and load-bearing capacity, ensuring the structural stability of the entire construction. Similarly, in columns, rebars are placed throughout the length to resist both axial and bending forces. They improve the column's ability to withstand compression while also providing additional resistance against lateral loads from seismic or wind forces. The presence of rebars in columns significantly enhances their load-bearing capacity and overall stability. In summary, steel rebars play a critical role in beam and column design by providing reinforcement against tensile forces, increasing structural strength, preventing cracking, and ensuring the overall stability and safety of the structure.
- Q: Can steel rebars be used in industrial flooring?
- Industrial flooring can indeed incorporate steel rebars, as they possess remarkable tensile strength and durability. The incorporation of steel rebars in concrete construction, particularly in industrial flooring, is a widespread practice. These rebars are strategically positioned within the concrete to reinforce it and provide additional strength, enabling it to withstand heavy loads and prevent cracking. By utilizing steel rebars in industrial flooring, the capacity to bear weight is significantly augmented, and the floor's longevity and structural integrity are assured. Furthermore, steel rebars can be effortlessly welded or linked together to form a grid or mesh, further enhancing the floor's strength and stability. Hence, steel rebars are a suitable choice for industrial flooring applications.
- Q: What is the minimum ductility requirement for steel rebars?
- The minimum ductility requirement for steel rebars is typically set at 14.5%.
- Q: What is the bending radius allowed for steel rebars?
- The bending radius allowed for steel rebars varies depending on the diameter of the rebar. Generally, the minimum bending radius for steel rebars is about four times the diameter of the bar.
- Q: What are the different corrosion protection methods for steel rebars?
- There are several corrosion protection methods available for steel rebars, which are commonly used in reinforced concrete structures. These methods aim to prevent or minimize the corrosion of the steel rebars, as corrosion can significantly weaken the overall structure. 1. Concrete Cover: The most common corrosion protection method is providing an adequate thickness of concrete cover over the steel rebars. The concrete acts as a physical barrier, preventing exposure of the rebars to corrosive elements. 2. Galvanization: Galvanizing involves coating the steel rebars with a layer of zinc. This protective layer acts as a sacrificial anode, corroding before the steel rebars. Galvanization significantly enhances the rebars' resistance to corrosion. 3. Epoxy Coating: Epoxy coating is a popular corrosion protection method where a layer of epoxy resin is applied over the steel rebars. The epoxy acts as a barrier, preventing moisture and corrosive substances from reaching the rebars. 4. Cathodic Protection: Cathodic protection is an electrochemical method that involves the application of a sacrificial anode or an impressed current system. In a sacrificial anode system, a more reactive metal, such as zinc or magnesium, is connected to the steel rebars, sacrificing itself and preventing corrosion. In an impressed current system, an external power source is used to provide a protective current to the rebars, preventing corrosion. 5. Corrosion Inhibitors: Corrosion inhibitors are chemicals added to the concrete mix or applied as a surface treatment to the rebars. These inhibitors form a protective film on the rebars' surface, preventing corrosion by blocking the access of corrosive agents. 6. Stainless Steel Rebars: Using stainless steel rebars is an effective corrosion protection method. Stainless steel has a high resistance to corrosion, making it suitable for structures exposed to aggressive environments. It is important to note that the selection of the appropriate corrosion protection method depends on various factors, including the environmental conditions, expected service life of the structure, and cost considerations. Additionally, regular inspection and maintenance of the corrosion protection system are essential to ensure its effectiveness over time.
- Q: Can steel rebars be used in the construction of dams and reservoirs?
- Yes, steel rebars can be used in the construction of dams and reservoirs. Steel rebars provide necessary reinforcement to concrete structures, increasing their strength and durability. In the construction of dams and reservoirs, where the structures need to withstand large amounts of water pressure, steel rebars are commonly used to reinforce the concrete and ensure its structural integrity.
- Q: Can steel rebars be used in structures with high levels of chloride or sulfate attack?
- No, steel rebars should not be used in structures with high levels of chloride or sulfate attack. Chloride attack occurs when chloride ions penetrate the concrete and react with the steel, causing corrosion. This can result in the degradation of the rebars and the overall structural integrity of the building. Similarly, sulfate attack occurs when sulfate ions react with the components of the concrete, leading to the formation of expansive compounds that cause cracking and deterioration. To prevent these types of attacks, alternative materials such as stainless steel rebars or corrosion-resistant alloys should be used in structures exposed to high levels of chloride or sulfate. These materials have a higher resistance to corrosion and can better withstand the aggressive chemical environment. Additionally, proper design and construction techniques, such as adequate concrete cover and the use of protective coatings, can also help mitigate the effects of chloride or sulfate attack. It is important to consult with structural engineers or corrosion specialists to determine the best approach for each specific project.
- Q: How are steel rebars anchored into concrete?
- Steel rebars are anchored into concrete by using various methods such as overlapping, mechanical anchoring devices, or by using concrete cover.
- Q: How are steel rebars protected from theft during construction?
- Steel rebars are protected from theft during construction through various measures such as storing them in secure areas, implementing strict access control, utilizing surveillance systems, and employing security personnel. Additionally, some construction sites may also use special marking or tracking systems on the rebars to deter theft and aid in their recovery if stolen.
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Hot Rolled Deformed bars with High Quality
- 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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