GB1449 deformed steel bar for construction

GB1449 deformed steel bar for construction System 1

GB1449 deformed steel bar for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

Specifications of Deformed Steel Bar:

Standard	GB	HRB335, HRB400, HRB500
	UK	G460B, B500A, B500B,B500C
	USA	GR40, GR60
Diameter	6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm
Diameter
Length	6M, 9M,12M or as required
Place of origin	Hebei, China mainland
Application	building,construction,road,bridge etc
Brand name	DRAGON

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)	Section area (mm²)	Mass(kg/m)
6	28.27	0.222
8	50.27	0.395
10	78.54	0.617
12	113.1	0.888
14	153.9	1.21
16	201.1	1.58
18	254.5	2.00
20	314.2	2.47
22	380.1	2.98
25	490.9	3.85
28	615.8	4.83
32	804.2	6.31
36	1018	7.99
40	1257	9.87
50	1964	15.42

Usage and Applications of Deformed Steel Bar:

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 Deformed Steel Bar:

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

Deformed Steel Bar in Coil

GB1449 deformed steel bar for construction

Produce Line of Deformed Steel Bar

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

The Minimum Order Quantity of these products is high, and need to be confirmed.

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.

Q:Can steel rebars be used in the construction of dams or reservoirs?: Yes, steel rebars can be used in the construction of dams or reservoirs. Steel rebars are commonly used as reinforcement in concrete structures, including dams and reservoirs, to provide strength and stability. They help to distribute and resist the tensile forces that can occur in these structures due to water pressure and other external loads. Steel rebars are corrosion-resistant, durable, and have high tensile strength, making them an ideal choice for such applications. Additionally, they can be easily shaped and installed, providing flexibility in the design and construction process.

Q:What is the weight of steel rebars per meter or foot?: The weight of steel rebars per meter or foot can vary depending on the size and type of rebar being used. On average, a mild steel rebar typically weighs around 0.44 pounds per foot or 0.67 kilograms per meter. However, it is important to note that different rebar sizes and compositions can result in different weights.

Q:How do steel rebars contribute to the ductility of a structure?: Steel rebars contribute to the ductility of a structure by providing reinforcement and increasing its ability to withstand deformation without fracturing. The presence of rebars allows concrete to handle higher tensile forces, preventing brittle failure and enhancing the overall strength and flexibility of the structure.

Q:What are the safety precautions while handling steel rebars?: When handling steel rebars, it is important to follow a few safety precautions. Firstly, always wear protective clothing such as gloves, safety glasses, and steel-toed boots to prevent injuries. It is crucial to lift and carry rebars properly, using proper lifting techniques and avoiding strain on your back. Additionally, be cautious of the sharp edges and points of the rebars to prevent cuts or punctures. Lastly, always store and stack rebars in a safe and organized manner to avoid accidents or tripping hazards.

Q:What are the maintenance requirements for steel rebars in a structure?: The maintenance requirements for steel rebars in a structure typically involve regular inspections, cleaning, and protection against corrosion. Inspections should be conducted to identify any signs of rust, cracks, or other damage that could compromise the strength of the rebars. Cleaning is essential to remove any dirt, debris, or chemicals that may accumulate on the rebars and accelerate corrosion. Applying protective coatings or coatings that inhibit corrosion can help extend the lifespan of the rebars. Additionally, ensuring proper drainage and preventing moisture buildup in the structure can also contribute to the maintenance of steel rebars.

Q:What is the impact of steel rebars on the overall sustainability of a structure?: Steel rebars have a significant impact on the overall sustainability of a structure. As a key component in reinforced concrete, steel rebars enhance the structural integrity and durability of buildings, bridges, and other infrastructure. Their high tensile strength allows for the construction of tall and robust structures, reducing the need for additional materials. Additionally, steel rebars can be recycled, minimizing their environmental footprint and promoting a circular economy. This recyclability not only conserves natural resources but also reduces greenhouse gas emissions associated with steel production. Consequently, steel rebars play a vital role in creating sustainable and long-lasting structures.

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:What are the factors to consider while selecting steel rebars for a project?: When selecting steel rebars for a project, there are several factors that need to be considered. Firstly, the grade of the steel rebar is important as it indicates the strength and durability of the material. The specific requirements of the project, such as structural load capacity and corrosion resistance, should also be taken into account. Another factor to consider is the size and shape of the rebars, as they need to be compatible with the design and construction techniques being used. Additionally, the supplier's reputation, certifications, and quality control processes should be considered to ensure the reliability and consistency of the steel rebars.

Q:Can steel rebars be used in cold weather construction?: Yes, steel rebars can be used in cold weather construction. However, it is important to take certain precautions and follow specific guidelines to ensure their effectiveness. For instance, rebars should be properly stored and protected from moisture to prevent rusting. Additionally, concrete should be mixed and cured at appropriate temperatures to prevent cracking or weakening of the rebars. Overall, with proper planning and execution, steel rebars can be successfully utilized in cold weather construction projects.

Q:Can steel rebars be used in solar power plant construction?: Yes, steel rebars can be used in solar power plant construction. Steel rebars are commonly used as reinforcement in concrete structures, including the foundations and structural components of solar power plants. They provide strength, durability, and stability to the construction, ensuring the long-term performance and safety of the solar power plant.

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