GB Standard HRB400 Steel Deformed Bar 10mm/12mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 20000 m.t/month
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GB Standard HRB400 Steel Deformed Bar 10mm/12mm
Description:
-Standard: GB
-Material: HRB400
-Specification:
| Diameter(mm) | Section Area(mm2) | Mass(Kg/m) | Length(m) |
| 10 | 78.54 | 0.617 | 9, 12 or as customs' request |
| 12 | 113.1 | 0.888 | 9, 12 or as customs' request |
Chemical Composition(%) of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
| C | Mn | Si | S | P | V |
| ≤0.25 | ≤1.60 | ≤0.08 | ≤0.045 | ≤0.045 | 0.04-0.12 |
Mechanical Properties of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) |
≥400 | ≥570 | ≥14 |
Usage and Applications of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
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.
Packaging & Delivery of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Images of GB Standard HRB400 Steel Deformed Bar 10mm/12mm:
*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.
- Q:What are the guidelines for the proper anchoring of steel rebars in slabs?
- The proper anchoring of steel rebars in slabs is crucial to ensure the structural integrity and strength of the concrete slab. Here are some guidelines to follow: 1. Embedment depth: The rebars should be embedded in the concrete slab to a specific depth. The depth is typically determined based on the size and strength of the rebars and the load requirements of the slab. It is important to follow the recommended embedment depth to ensure adequate transfer of forces between the rebar and the concrete. 2. Spacing: The rebars should be spaced at regular intervals within the slab to provide uniform reinforcement. The spacing is determined based on the design requirements and the expected load on the slab. Following the recommended spacing guidelines will help distribute the load evenly and prevent cracking or failure of the slab. 3. Lap length: When multiple rebars need to be joined together, a lap splice is used. The lap length is the minimum length of overlap required to ensure proper transfer of forces between the rebars. It is important to follow the specified lap length to maintain the integrity of the reinforcement. 4. Edge distance: The rebars should be placed at a certain distance from the edges of the slab to prevent edge failure. The edge distance is determined based on factors such as the bar size, concrete cover, and design requirements. Maintaining the specified edge distance will help ensure the rebars are adequately anchored and prevent concrete spalling or cracking near the edges. 5. Concrete cover: The rebars should have a minimum concrete cover to protect them from corrosion and provide fire resistance. The concrete cover is the distance between the outer surface of the rebar and the nearest concrete surface. Following the recommended concrete cover guidelines will help maintain the durability and longevity of the steel rebars. 6. Proper placement and alignment: The rebars should be accurately placed and aligned within the slab to provide effective reinforcement. They should be positioned at the correct depth, spacing, and alignment as per the design specifications. Proper placement and alignment will ensure the rebars are securely anchored and contribute to the overall strength of the slab. It is important to note that these guidelines may vary depending on the specific project requirements, local building codes, and design standards. Therefore, it is recommended to consult with a qualified structural engineer or follow the guidelines provided by relevant authorities to ensure the proper anchoring of steel rebars in slabs.
- Q:What are the precautions to be taken while welding steel rebars?
- When welding steel rebars, there are several precautions that need to be taken. First and foremost, it is crucial to wear appropriate personal protective equipment such as a welding helmet, gloves, and a protective apron to shield against sparks, heat, and UV radiation. Additionally, proper ventilation in the work area is necessary to prevent the accumulation of harmful fumes and gases. It is important to ensure that the rebar is clean and free from any contaminants or coatings that could affect the quality of the weld. Welding should only be performed by trained and qualified individuals who understand the specific techniques and settings required for welding rebars. Finally, regular inspections of the welds should be conducted to ensure their integrity and strength.
- 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:How are steel rebars used in airport runway construction?
- Steel rebars are used in airport runway construction to reinforce the concrete and provide structural strength to the runway. They are placed within the concrete slab to prevent cracks and ensure the runway can withstand heavy loads from aircraft.
- Q:What are the advantages of using fiber-reinforced polymer (FRP) rebars over steel rebars?
- There are several advantages of using fiber-reinforced polymer (FRP) rebars over traditional steel rebars in construction projects: 1. Corrosion resistance: One of the main advantages of FRP rebars is their excellent resistance to corrosion. Unlike steel rebars, which are prone to rust and deterioration when exposed to moisture and chemicals, FRP rebars do not corrode. This property significantly increases the durability and lifespan of structures, particularly in harsh environmental conditions. 2. Lightweight: FRP rebars are significantly lighter than steel rebars, making them easier to handle, transport, and install. This lightweight characteristic also reduces the overall dead load of a structure, allowing for more efficient design and construction. 3. High strength-to-weight ratio: Despite being lightweight, FRP rebars have a high strength-to-weight ratio, meaning they can carry heavy loads while still maintaining their structural integrity. This property makes FRP rebars ideal for applications where weight reduction is desired without compromising on strength, such as in bridge decks and seismic reinforcement. 4. Non-magnetic and non-conductive: Unlike steel rebars, FRP rebars are non-magnetic and non-conductive. This feature is particularly advantageous in structures that require non-magnetic properties, such as MRI rooms in hospitals, or in situations where electrical conductivity needs to be minimized, such as in power plants or near electrical equipment. 5. Design flexibility: FRP rebars can be manufactured in various shapes and sizes, offering design flexibility and customization options to meet specific project requirements. They can be easily cut and shaped on-site, allowing for easy integration into complex geometries and curved structures. 6. Thermal compatibility: FRP rebars have a low coefficient of thermal expansion, which means they expand and contract at a similar rate to the surrounding concrete. This thermal compatibility minimizes the risk of cracking and ensures better long-term performance of the structure, particularly in areas with extreme temperature variations. 7. Excellent durability: FRP rebars exhibit excellent long-term durability, even in aggressive environments. They are resistant to alkalis, chemicals, and UV radiation, ensuring their performance and structural integrity over an extended period. 8. Environmental friendliness: FRP rebars are considered more environmentally friendly than steel rebars due to their minimal carbon footprint. They require less energy to produce and generate fewer greenhouse gas emissions during manufacturing. Additionally, FRP rebars are non-toxic and do not pose a threat to the environment during their lifespan or at the end of their service life. Overall, the advantages of using FRP rebars over steel rebars make them a viable alternative in various construction applications, offering improved durability, lightweight design, corrosion resistance, and enhanced structural performance.
- Q:Can steel rebars be used in foundation structures?
- Yes, steel rebars can be used in foundation structures. Steel rebars are commonly used in reinforced concrete foundations to provide strength and structural integrity. They are used to reinforce the concrete and enhance its load-bearing capacity, making it suitable for supporting heavy structures and resisting forces like earthquakes and soil movement.
- Q:How are steel rebars installed in construction projects?
- Steel rebars are installed in construction projects as a vital component of reinforced concrete structures. The process of installing steel rebars involves a series of steps. Firstly, the construction plans and specifications are reviewed to determine the required size, length, and placement of the rebars. This information is crucial to ensure the rebars provide the necessary strength and support to the structure. Next, the rebars are cut and shaped according to the specifications. This is typically done using specialized tools such as rebar cutters and benders. The rebars are usually supplied in long lengths and are cut to the required size on-site. Once the rebars are prepared, they are positioned and secured in the formwork or molds that will shape the concrete. This is done by placing the rebars at the desired locations and using wire or rebar ties to hold them in place. The ties are typically twisted around the rebars using pliers or a similar tool. This ensures that the rebars remain in their correct positions during the pouring and curing of the concrete. During the concrete pouring phase, the rebars are carefully positioned to ensure they are evenly distributed and adequately spaced. This is important for providing structural integrity and preventing the occurrence of weak spots in the concrete. After the concrete is poured, it is left to cure and harden. During this time, the rebars become embedded within the concrete, forming a strong bond. This bond creates a reinforced concrete structure that is capable of withstanding various loads and forces. In summary, the installation of steel rebars in construction projects involves cutting and shaping the rebars, positioning them correctly within the formwork, and securing them in place using ties. This process is crucial for creating reinforced concrete structures that are strong and durable.
- Q:Can steel rebars be used in railway bridge construction?
- Yes, steel rebars can be used in railway bridge construction. Steel rebars provide strength and durability to the bridge structure, making them suitable for supporting heavy loads and withstanding the dynamic forces exerted by trains. They are commonly used in the construction of railway bridges to reinforce and strengthen the concrete components of the bridge, enhancing its overall structural integrity.
- Q:Are steel rebars susceptible to magnetic fields?
- Yes, steel rebars are susceptible to magnetic fields. Steel is a ferromagnetic material, which means it can be magnetized and is attracted to magnets. This property is due to the presence of iron in the steel composition. When exposed to a magnetic field, the atoms in the steel align themselves with the field, causing the steel to become magnetized. However, it's important to note that the strength of the magnetic field required to magnetize steel rebars is generally quite high and requires a powerful magnet. In most everyday situations, the magnetic fields encountered are not strong enough to significantly affect the behavior or properties of steel rebars.
- Q:Can steel rebars be recycled?
- Yes, steel rebars can be recycled. Steel is a highly recyclable material and rebars made of steel can be melted down and reused in the production of new steel products. This not only conserves natural resources but also reduces waste and the environmental impact of steel production.
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GB Standard HRB400 Steel Deformed Bar 10mm/12mm
- Ref Price:
-
- Loading Port:
- Tianjin
- 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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