Construction iron rod hot rolled for sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
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Specification
Steel rebar is bars of steel commonly used in construction, especially for reinforcing concrete structures such as driveways,
foundations, walls, and columns. These bars come in different sizes and strength grades, and can be smooth or may include
deformations that provide greater adhesion for concrete poured over the bars. When used in poured concrete, the bars are
typically placed in a grid pattern, the concrete poured over them, and then readjusted to maintain the proper shape while the
concrete sets. Steel rebar can be purchased from a number of manufacturers and is often found at construction retailers or
large hardware stores
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: What is the ductility of steel rebars?
- The ductility of steel rebars refers to its ability to deform under tension without fracturing. Steel rebars are known for their high ductility, allowing them to withstand significant bending and stretching without breaking. This property makes them ideal for reinforcing concrete structures, where they can absorb and distribute loads effectively.
- Q: How do steel rebars affect the thermal conductivity of a structure?
- Steel rebars can significantly increase the thermal conductivity of a structure. Due to their high thermal conductivity, steel rebars act as conduits for heat transfer within the structure. This means that heat can easily flow from one part of the structure to another through the steel rebars, resulting in faster heat transmission and reduced thermal resistance. Consequently, the presence of steel rebars can enhance both the heat absorption and dissipation capacities of a structure, making it more susceptible to temperature changes and potentially affecting its overall thermal performance.
- Q: Are there any alternatives to steel rebars?
- Yes, there are several alternatives to steel rebars in construction. Some common alternatives include fiber-reinforced polymer (FRP) rebars, basalt rebars, and glass-fiber-reinforced polymer (GFRP) rebars. These alternatives offer advantages such as corrosion resistance, lightweight, and high tensile strength, making them suitable for various construction applications. However, the choice of rebars depends on specific project requirements and structural considerations.
- Q: How do steel rebars contribute to the overall aesthetics of a building?
- The aesthetic appeal of a building is not directly influenced by steel rebars, as they are typically concealed within the structural components. Nonetheless, their presence is vital in guaranteeing the strength, stability, and durability of the structure. Steel rebars serve to reinforce concrete, offering supplementary support to withstand different forces including gravity, wind, and seismic activities. Through this reinforcement, steel rebars enable the construction of taller, more spacious, and architecturally intricate designs. This grants architects and engineers the opportunity to design buildings with wider spans, thinner walls, and distinctive shapes, enriching the overall aesthetic quality of the structure. Furthermore, steel rebars can be strategically positioned in areas requiring additional strength, allowing for the creation of intricate and visually appealing architectural attributes. Although steel rebars may not be visible, their significant contribution to the structural integrity of the building indirectly influences its aesthetics by facilitating innovative designs and ensuring the safety and longevity of the structure.
- Q: What are the common surface patterns for steel rebars?
- The common surface patterns for steel rebars include plain, deformed, and ribbed patterns. Plain rebars have a smooth surface without any patterns or indentations. They are commonly used in applications where the rebar needs to be easily bendable or welded, such as in reinforced concrete structures. Deformed rebars, on the other hand, have patterns or indentations on their surface. These patterns are typically in the form of ribs, humps, or indentations that provide enhanced bonding characteristics with the surrounding concrete. The deformations improve the grip between the rebar and concrete, ensuring better transfer of stresses and preventing slippage. Deformed rebars are widely used in construction projects, especially in areas where high tensile strength and bond strength are required. Ribbed rebars are a specific type of deformed rebar that have continuous longitudinal ribs along their length. These ribs are usually evenly spaced and provide additional anchorage and bond strength with the concrete. Ribbed rebars are commonly used in applications where a higher level of bond strength is required, such as in seismic zones or in structures subjected to heavy loads. Overall, the choice of surface pattern for steel rebars depends on the specific requirements of the construction project and the desired performance characteristics.
- Q: What is the lifespan of steel rebars?
- The lifespan of steel rebars can vary depending on various factors such as the quality of the steel used, the environment it is exposed to, and the level of maintenance. However, generally, steel rebars have a lifespan of around 50 to 100 years.
- Q: Can steel rebars be used in structures with limited foundation support?
- Yes, steel rebars can be used in structures with limited foundation support. Steel rebars are commonly used as reinforcement in concrete structures to enhance their strength and durability. They can help distribute the load more evenly across the structure, which can be particularly beneficial in situations where there is limited foundation support. However, it is important to assess the specific circumstances and consult with a structural engineer to ensure that the design and placement of the rebars are appropriate for the given foundation conditions.
- Q: How are steel rebars cut and bent on-site?
- Steel rebars are cut and bent on-site using specialized equipment such as rebar cutters and benders. The rebars are measured, marked, and then cut to the required length using the cutter. After cutting, the rebars are placed into the bender machine where they are bent to the desired shape or angle. This process ensures that the rebars are tailored to fit the specific construction requirements of the project.
- Q: How much is the minus difference per ton of thread steel?
- In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state. The grade of thread steel is composed of the minimum value of the yield point of HRB and brand.
- Q: Can steel rebars be used in tunneling and mining operations?
- Yes, steel rebars can be used in tunneling and mining operations. Rebars, which are steel bars commonly used to reinforce concrete structures, can also be employed in underground construction projects such as tunnels and mines. These steel bars provide additional strength and stability to the structures in these environments, ensuring durability and safety. In tunneling projects, rebars are often embedded in shotcrete or concrete linings to enhance the structural integrity of the tunnel walls and prevent collapse. Similarly, in mining operations, rebars are used to reinforce the roofs, walls, and support structures within the mine, safeguarding against potential hazards such as rockfalls and cave-ins. The use of steel rebars in tunneling and mining operations is crucial for maintaining the integrity and stability of these underground structures.
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Construction iron rod hot rolled for sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
OKorder Financial Service
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