Deformed Bar Hot Rolled High Quality BS449 or ASTM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Product Description:
OKorder is offering high quality Hot Rolled Steel I-Beams 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:
Deformed bar 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 Steel I-Beams are durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
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:
Manufacture: Hot rolled
Grade: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
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) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
FAQ:
Q1: How do we guarantee the quality of our products?
A1: 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.
Q2: Can stainless steel rust?
A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
Q3: How do we guarantee the quality of our products?
A3: 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.
- Q: How do steel rebars contribute to the overall sustainability of the construction industry?
- Steel rebars contribute to the overall sustainability of the construction industry in several ways. Firstly, steel rebars are made from recycled materials, reducing the demand for new resources and minimizing the environmental impact of steel production. Additionally, steel rebars are highly durable and have a long lifespan, ensuring the longevity and stability of structures, reducing the need for frequent repairs or replacements. Moreover, the use of steel rebars in reinforced concrete allows for the construction of taller and more complex structures, maximizing the efficient use of land and reducing the need for additional construction projects. Overall, steel rebars play a crucial role in improving the sustainability of the construction industry by promoting resource conservation, durability, and efficient construction practices.
- Q: Are there any specific safety precautions to be taken while handling steel rebars?
- There are several safety measures that need to be taken into account when handling steel rebars. Here are some important factors to consider: 1. Personal Protective Equipment (PPE) is essential. It is crucial to wear the appropriate gear, including safety goggles or glasses, gloves, and steel-toed boots. These items will help safeguard against potential eye injuries, cuts, and crushed toes. 2. Proper lifting techniques must be employed when handling rebars. This involves bending at the knees, maintaining a straight back, and utilizing leg muscles to lift the load. Twisting or jerking movements should be avoided to prevent strains or sprains. 3. Rebars should be stored in an organized and secure manner. They should not be leaned against walls or other structures to avoid falling and causing harm. 4. The sharp edges of rebars should be handled with caution. Careful handling is necessary to prevent cuts or punctures. Wearing protective gloves is recommended to minimize the risk of hand injuries. 5. When transporting rebars, it is crucial to ensure they are secured properly. This prevents movement or falling off the vehicle. Appropriate restraints such as ropes or straps should be used to secure the load safely. 6. It is important to be mindful of any overhead power lines or live electrical sources in the working area. Maintaining a safe distance from these sources prevents accidental contact with the rebars, which can conduct electricity. 7. Communication and awareness among workers are key. Constantly communicating with others in the vicinity ensures that everyone is aware of the presence of rebars. This helps prevent accidental injuries caused by tripping or colliding with the rebars. By adhering to these safety precautions, the risk of accidents or injuries while handling steel rebars can be minimized. It is also important to undergo proper training and comply with any specific safety guidelines provided by your employer or industry regulations.
- Q: Can steel rebars be recycled after the demolition of a structure?
- Yes, steel rebars can be recycled after the demolition of a structure. Steel is one of the most commonly recycled materials in the world, and rebars are no exception. During the demolition process, rebars are typically removed from the structure and separated from other materials such as concrete. The rebars are then collected and sent to a recycling facility where they are processed and melted down. The melted steel can be used to create new rebars or other steel products, reducing the need for virgin steel production and conserving valuable resources. Recycling rebars not only helps to reduce waste and minimize environmental impact but also contributes to the circular economy by promoting the reuse of materials.
- Q: What are the different types of corrosion protection for steel rebars?
- There are several different types of corrosion protection for steel rebars, including epoxy coatings, galvanization, and cathodic protection.
- Q: What are the factors to consider while designing a reinforced concrete structure with steel rebars?
- To ensure the strength, durability, and safety of a reinforced concrete structure with steel rebars, careful consideration of various factors is required. The following are key factors to consider: 1. Structural Requirements: The initial step involves determining the structure's specific purpose and load-bearing capacity. This entails considering its intended use, maximum load, and potential dynamic loads like wind or earthquakes. 2. Material Selection: Choosing the correct type and grade of concrete and steel rebars is crucial. The concrete mix should possess sufficient strength, workability, and durability to withstand anticipated conditions. Similarly, the rebars should have adequate yield strength and corrosion resistance to maintain structural integrity over time. 3. Reinforcement Layout: The design should include an appropriate arrangement and spacing of rebars to evenly distribute the load and prevent cracking or structural failure. This requires determining the size, quantity, and arrangement of rebars based on calculated forces and bending moments. 4. Concrete Cover: The concrete cover refers to the thickness of concrete surrounding the rebars. Providing sufficient cover is essential to protect the rebars from corrosion, fire, and environmental factors. The cover thickness should be determined based on exposure conditions and required durability. 5. Bonding between Concrete and Rebars: Ensuring proper bonding between the concrete and rebars is vital for effective force transfer. The design should consider factors such as mechanical interlocking, chemical adhesion, and surface treatment to establish a strong bond and prevent slippage or separation. 6. Construction Considerations: The design should account for practical construction aspects such as formwork, concrete placement, and compaction. It should also incorporate appropriate detailing for construction joints, lap splices, and rebar anchorage to ensure proper installation and ease of construction. 7. Serviceability and Durability: The design should address serviceability requirements like deflection limits, cracking control, and long-term performance. Additionally, factors impacting durability, such as moisture exposure, chemical exposure, temperature variations, and the potential for corrosion, should be considered. 8. Quality Control and Inspection: Implementing quality control measures, including material testing, construction monitoring, and completed work inspection, is crucial to ensure the design requirements are met. Regular inspections and adherence to construction standards and codes are essential for the overall integrity and safety of the structure. By considering these factors and adhering to appropriate design codes and standards, a reinforced concrete structure with steel rebars can be designed to provide the desired strength, durability, and safety throughout its lifespan.
- Q: Can steel rebars be used in retaining walls?
- Yes, steel rebars can be used in retaining walls. Steel rebars are commonly used in the construction of retaining walls to provide reinforcement and increase the structural integrity of the wall. They help to prevent cracking and ensure the wall can withstand lateral pressure from the retained soil or other materials.
- Q: Why does the steel thread have longitudinal ribs?
- The effect of the longitudinal ribs is indirect, which improves the mechanical properties of the transverse ribs and indirectly enhances the bond with the concrete.
- Q: What are the design considerations for using steel rebars in construction?
- Some important design considerations for using steel rebars in construction include the required strength and load-bearing capacity, corrosion resistance, compatibility with other construction materials, durability, and ease of installation. Steel rebars should be chosen based on their appropriate diameter, grade, and spacing to ensure structural integrity and safety. Additionally, proper detailing and placement of rebars are essential to ensure that they are effectively embedded within concrete and can withstand the anticipated stresses and forces during construction and throughout the lifespan of the structure.
- Q: What is the cost-effectiveness of using steel rebars?
- The cost-effectiveness of using steel rebars is high due to their durability, strength, and long lifespan, which reduce the need for frequent repairs and replacements. Additionally, steel rebars offer superior resistance to corrosion and fire, making them a reliable and cost-efficient choice for reinforcing structures.
- Q: What are the common defects observed in steel rebars?
- Some common defects observed in steel rebars include: 1. Rust and corrosion: Steel rebars are susceptible to rust and corrosion when exposed to moisture and oxygen. This can weaken the structural integrity of the rebar and compromise the overall strength of the concrete structure. 2. Cracks and fractures: Rebars can develop cracks and fractures due to various factors such as excessive bending, improper handling during transportation and installation, or overloading. These defects can reduce the load-bearing capacity of the rebar and affect the performance of the concrete structure. 3. Lack of bond: Adequate bond between the rebar and the surrounding concrete is crucial for transferring loads effectively. However, poor surface preparation, improper placement, or the presence of contaminants can lead to a lack of bond, resulting in reduced structural strength. 4. Bent or deformed rebars: Rebars are often bent during fabrication to fit specific construction requirements. However, improper bending techniques, excessive bending, or mishandling can result in rebars with incorrect shapes or deformities. These defects can compromise the structural integrity and load-bearing capacity of the rebar. 5. Dimensional inaccuracies: Steel rebars must conform to specific dimensional tolerances to ensure proper fit and alignment within the concrete structure. However, manufacturing errors or improper storage and handling can lead to dimensional inaccuracies, causing difficulties during installation and potentially affecting the structural performance. 6. Inclusions and impurities: Steel rebars should ideally be free from any inclusions or impurities that can weaken the material. However, inadequate quality control during the manufacturing process can result in the presence of foreign materials or impurities within the steel, which can reduce its strength and durability. It is important to ensure proper quality control measures and adherence to industry standards during the manufacturing, transportation, and installation of steel rebars to minimize these defects and ensure the long-term structural integrity of concrete structures.
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Deformed Bar Hot Rolled High Quality BS449 or ASTM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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