Hot Rolled Carbon Steel Deformed Bar 32mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Product Description:
OKorder is offering Hot Rolled Carbon Steel Deformed Bar 32mm 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 32mm 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 32mm 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 | |||||
Q7:What is chemical composition and physical properties of 500B?
A7:
BS4449 500B | Chemical Composition(%) | ||||
C | Mn | Si | S | P | |
≤0.24 | ≤0.45 | ≤0.16 | ≤0.05 | ≤0.31 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
≥650 | ≥500 | 19 | |||
Q8: What is the chemical composition and physical properties of HRB335?
A8:
HRB335 | Chemical Composition(%) | ||||
C | Mn | Si | S | P | |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | |
Physical capability | |||||
Yield Strength(N/cm²) | Tensile Strength(N/cm²) | Elongation (%) | |||
≥335 | ≥490 | ≥16 | |||
Images:
- Q: What are the different types of steel rebars used in building construction?
- The different types of steel rebars used in building construction include plain carbon steel rebars, epoxy-coated rebars, galvanized rebars, stainless steel rebars, and high-strength rebars.
- Q: Can steel rebars be used in structures with limited construction expertise?
- Steel rebars can be used in structures with limited construction expertise, but it is important to follow proper guidelines and have a basic understanding of construction principles. Rebars are commonly used to reinforce concrete structures, providing strength and durability. However, their correct placement and installation are crucial for ensuring the structural integrity of the building. While it is possible to use steel rebars without extensive construction expertise, it is highly recommended to consult with a professional engineer or a qualified construction expert for guidance. They can provide valuable insights on the appropriate placement, size, and spacing of rebars, as well as the necessary concrete mix design and curing techniques. Additionally, it is important to adhere to local building codes and regulations, as they dictate the minimum standards for structural safety. These codes often include specific requirements for the use of rebars in construction. By following these guidelines and seeking professional advice, even individuals with limited construction expertise can utilize steel rebars effectively and ensure the structural stability of their buildings.
- Q: What are the different types of steel rebars used in tunnel construction?
- Tunnel construction incorporates a variety of steel rebars, each possessing distinct properties and advantages. 1. Carbon Steel Rebars: These rebars, widely utilized in tunnel construction, boast exceptional strength and durability, rendering them suitable for rigorous applications. Additionally, they offer a cost-effective solution, making them a favored choice for numerous tunnel projects. 2. Stainless Steel Rebars: Tunnel environments exposed to elevated moisture levels, chemicals, or saltwater benefit from stainless steel rebars, which possess corrosion-resistant qualities. Compared to carbon steel rebars, they have a longer lifespan, ultimately reducing maintenance and replacement expenses. 3. Epoxy-Coated Rebars: Epoxy-coated rebars, comprising carbon steel rebars coated with an epoxy layer, provide additional protection against corrosion. As a result, they are well-suited for tunnels situated in harsh environments or those with high chloride content in the soil or water. 4. Galvanized Rebars: To safeguard against corrosion, carbon steel rebars undergo a zinc coating process, resulting in galvanized rebars. They find common use in tunnels where moisture and water exposure are significant concerns. Galvanized rebars exhibit durability and are relatively cost-effective. 5. Fiber-Reinforced Polymer (FRP) Rebars: FRP rebars, composed of composite materials such as fiberglass and resin, deliver benefits such as lightweight construction, corrosion resistance, and an exceptional strength-to-weight ratio. They prove particularly valuable in tunnels where weight reduction is essential, such as in soft ground conditions or when the tunnel structure has load-bearing capacity limitations. It is crucial to consider various factors, including project requirements, environmental conditions, and budgetary constraints, when selecting steel rebars for tunnel construction. Consulting with structural engineers and experts is imperative to determine the most suitable rebars for a specific tunnel project.
- Q: What is the role of lap splicing in steel rebars?
- The role of lap splicing in steel rebars is to provide continuity and strength to the reinforcement system. It involves overlapping two rebars and connecting them securely to transfer loads effectively in reinforced concrete structures. Lap splicing is essential for maintaining the structural integrity and distributing the tensile forces evenly throughout the reinforced concrete elements, ensuring their durability and safety.
- Q: How do steel rebars affect the overall strength of concrete structures?
- Steel rebars significantly contribute to the overall strength and durability of concrete structures. They are commonly used as reinforcement in concrete to enhance its tensile strength, which is the ability to withstand pulling or stretching forces. Concrete on its own is strong in compression but weak in tension. When external forces like bending or stretching are applied to the concrete, it tends to crack and fail. This is where steel rebars play a crucial role. By adding rebars to the concrete, the tensile strength of the structure is greatly improved. The rebars act as a strong skeleton within the concrete, providing resistance against tensile forces. When the concrete is subjected to tension, the rebars take up the load and distribute it evenly, preventing cracks from forming and enhancing the overall strength of the structure. This reinforcement also helps to limit the propagation of cracks, ensuring that the structure remains intact and stable even under substantial loads or adverse conditions. Moreover, steel rebars also enhance the structural integrity of concrete structures by improving their resistance to bending, shearing, and torsional forces. They increase the stiffness and stiffness modulus of the concrete, making it more resistant to deformation and enhancing its load carrying capacity. In addition to improving the structural strength, steel rebars also play a vital role in preventing corrosion of the concrete. They are made of corrosion-resistant materials, such as stainless steel or galvanized steel, which protects the concrete from moisture and other corrosive elements. This ensures the longevity and durability of the concrete structure. In conclusion, steel rebars significantly enhance the overall strength and durability of concrete structures by improving their tensile strength, resistance to bending and shearing forces, and preventing corrosion. They provide the necessary reinforcement to make the concrete capable of withstanding external forces, ensuring the safety and longevity of the structure.
- Q: What are the advantages of using ribbed steel rebars?
- Using ribbed steel rebars in construction projects offers several advantages. To begin with, the ribbed design of these rebars enhances the bonding with concrete. The presence of ribs increases the contact surface area between the rebar and the surrounding concrete, resulting in improved adhesion and prevention of slippage. This ultimately leads to a stronger bond, ensuring the structural integrity of the reinforced concrete. Secondly, ribbed steel rebars provide enhanced resistance against shear forces. The ribs act as anchor points within the concrete, evenly distributing the load and reducing the risk of failure due to shear stress. This makes ribbed rebars particularly suitable for applications that experience high shear forces, such as beams and columns. Additionally, the ribbed pattern of these rebars improves their ductility. Ductility refers to a material's ability to undergo deformation without breaking. The presence of ribs allows the steel rebar to stretch and bend without fracturing, making it more resistant to cracking or failure under stress. This is particularly crucial in earthquake-prone areas, where a structure's ability to absorb and dissipate energy is vital for its survival. Furthermore, ribbed steel rebars demonstrate excellent corrosion resistance. The ribs act as a barrier, effectively preventing moisture and corrosive agents from reaching the steel core. This significantly prolongs the lifespan of the rebar, reducing maintenance costs and ensuring the long-term durability of the reinforced concrete structure. Lastly, ribbed steel rebars are readily available and cost-effective. They come in various sizes and lengths, allowing for easy customization to meet different construction needs. Additionally, due to their popularity and widespread use, ribbed rebars are competitively priced, making them a cost-effective option for reinforcing concrete structures. In conclusion, the use of ribbed steel rebars offers multiple benefits, including enhanced bonding with concrete, improved resistance to shear forces, greater ductility, excellent corrosion resistance, and cost-effectiveness. These advantages make ribbed rebars an ideal choice for reinforcing concrete structures, guaranteeing strength, durability, and longevity in construction projects.
- Q: What are the guidelines for repairing damaged steel rebars in a structure?
- To ensure the structural integrity of a building when repairing damaged steel rebars in a structure, it is necessary to follow several guidelines. Here are some key guidelines that should be considered: 1. Inspection: Before commencing the repair process, a thorough inspection of the damaged rebars must be conducted. This involves assessing the extent of the damage, identifying the cause of the damage, and determining whether repair is feasible or if replacement is necessary. 2. Cleaning: Proper cleaning of the damaged rebars is essential to eliminate any loose rust, scale, or other contaminants. This can be achieved by using wire brushes, sandblasting, or other appropriate cleaning methods. 3. Removal of damaged material: Any corroded or severely damaged portions of the rebars should be removed. This may require cutting out the damaged area and replacing it with a new rebar, or employing techniques such as welding or epoxy bonding to repair the damaged section. 4. Surface preparation: Adequate preparation of the rebar surface is important to ensure proper adhesion of the repair material. This may involve roughening the surface, applying a bonding agent, or utilizing other surface preparation techniques depending on the specific repair method being employed. 5. Selection of repair material: The choice of repair material will depend on factors such as the severity of the damage, the required load-bearing capacity, and the environmental conditions in which the rebars are situated. Common repair materials include epoxy resins, cementitious mortars, or other specialized repair products. 6. Repair technique: The selection of an appropriate repair technique is crucial and should comply with relevant industry standards and codes. Techniques such as welding, epoxy bonding, or mechanical splicing can be employed to repair damaged rebars. 7. Quality control: Throughout the repair process, it is important to implement quality control measures to ensure the effectiveness and durability of the repair. This may involve strength testing of the repaired rebars, monitoring the curing process, and conducting inspections to verify compliance with the guidelines. 8. Documentation: Thorough documentation of the repair process is essential, including photographs, test results, and any relevant certifications or warranties. This documentation serves as a valuable reference for future maintenance and provides evidence of the repair work carried out. It should be noted that the guidelines for repairing damaged steel rebars may vary depending on project-specific requirements, local building codes, and the recommendations of structural engineers or repair specialists. Therefore, consulting with experts in the field is crucial to ensure safe and effective repair work.
- Q: How do steel rebars contribute to the overall energy efficiency of a structure?
- Steel rebars contribute to the overall energy efficiency of a structure in several ways. Firstly, they enhance the durability and strength of the structure, allowing it to withstand external forces such as wind and earthquakes, reducing the likelihood of damage and subsequent energy-intensive repairs. Additionally, steel rebars provide thermal mass, which helps to regulate indoor temperatures by absorbing and releasing heat slowly, reducing the need for excessive heating or cooling. This thermal stability leads to reduced energy consumption for heating and cooling systems. Finally, the use of steel rebars in construction allows for longer spans and fewer support columns, maximizing natural light and ventilation, further reducing the reliance on artificial lighting and ventilation systems, thereby enhancing energy efficiency.
- Q: How do steel rebars help in reducing construction time?
- Steel rebars help in reducing construction time by providing structural reinforcement to concrete elements such as beams, columns, and slabs. These rebars enhance the strength and durability of the concrete, allowing for quicker construction processes. The use of steel rebars eliminates the need for excessive formwork, as the reinforced concrete can be poured into pre-designed molds, saving time and effort. Additionally, steel rebars enable faster curing of concrete, allowing construction projects to progress swiftly.
- Q: What is the process of inspecting steel rebars for quality control?
- The process of inspecting steel rebars for quality control involves several steps to ensure that the rebars meet the required standards and specifications. Here is a general overview of the process: 1. Visual Inspection: The first step is to visually inspect the rebars for any visible defects such as cracks, surface imperfections, or irregularities in shape or size. This can be done manually or using automated systems that detect defects through image processing techniques. 2. Measurement and Dimensional Inspection: The rebars are then measured for their dimensions, including length, diameter, and shape. This is typically done using calibrated measuring instruments such as calipers, gauges, or laser-based devices. The measurements are compared against the specified tolerances to ensure compliance. 3. Chemical Analysis: A sample of rebars is taken and subjected to chemical analysis to determine the composition of the steel. This includes measuring the levels of carbon, manganese, sulfur, phosphorus, and other elements. The results are compared against the required chemical composition specified in the standards. 4. Mechanical Testing: Mechanical properties such as tensile strength, yield strength, elongation, and bendability are crucial for rebars used in construction. Samples are taken from the batch and tested in a laboratory using standardized tests, such as tensile testing machines, to ensure they meet the specified requirements. 5. Corrosion Resistance Testing: Rebars are often exposed to harsh environmental conditions, so it is important to assess their resistance to corrosion. This can be done through tests like salt spray testing or electrochemical methods to measure the rebars' corrosion resistance and ensure they will maintain their strength over time. 6. Weldability Testing: If rebars are intended for welding applications, their weldability is assessed. This includes evaluating the rebars' ability to form a strong and sound weld joint without any defects. Weldability tests may involve visual inspection, bend tests, or even destructive testing of welded samples. 7. Documentation and Certification: Throughout the inspection process, detailed records of all measurements, test results, and observations are documented. If the rebars pass all quality control tests, a certification or quality control report is issued, indicating that the rebars meet the required standards and specifications. It is worth noting that the specific inspection procedures may vary depending on the applicable standards, project requirements, and the type of rebar being inspected. Additionally, these inspections can be conducted by internal quality control teams or independent third-party inspection agencies to ensure impartiality and accuracy of the results.
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Hot Rolled Carbon Steel Deformed Bar 32mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 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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