• Steel deformed bar good quality for constraction System 1
  • Steel deformed bar good quality for constraction System 2
Steel deformed bar good quality for constraction

Steel deformed bar good quality for constraction

Ref Price:
get latest price
Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
19452 m.t./month

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Specification

Standard:
AISI
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
Q195,HRB400,RHB335
Certification:
ISO
Thickness:
6-38mm
Length:
5.8-12M
Net Weight:
1-2 MT

Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar or mesh of steel wires 

used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete 

in tension. Rebar's surface is often patterned to form a better bond with the concrete.

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.

Our Advantage

                              High quality steel products from 1 class mills in China

                              Reasonable price

                              Professionalism of the products

                              On-time delivery

                              Complete documents and certificates

                              Sincere service to meet our clients' requirements


 

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.
2).30% T/T prepaid and the balance against the copy of B/L.
3).30% T/T prepaid and the balance against L/C

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.



Steel deformed bar good quality for constraction

Steel deformed bar good quality for constraction

 

Packing:

In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.

Steel deformed bar good quality for constraction

Steel deformed bar good quality for constraction

 

Our service

(1) We cooperate with famous factories with advanced equipment and well trained workers.

(2) We can provide factory price with trading company service.

(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards 

of quality to keep none compensation.

(4) We guarantee 24 hours response and 48 hours solution providing service.

(5) We accept small order quantity before formal cooperation.

(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.

(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.

(8) We strive to always be fair and honest in our dealings with customers.

(9) We strive to work together with customers to achieve much more than we can achieve alone.

(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain 

our position as market leader we must continue to add value in all that we do.

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:Can steel rebars be used in structures with high resistance to fatigue?
Yes, steel rebars can be used in structures with high resistance to fatigue. Steel rebars are commonly used in the construction industry due to their excellent strength and durability, making them suitable for structures that need to withstand repetitive stress and fatigue. The reinforcement provided by steel rebars enhances the overall structural integrity and helps in distributing the load effectively, thus increasing the resistance to fatigue.
Q:What are the different types of coatings available for protecting steel rebars?
There are several types of coatings available for protecting steel rebars, including epoxy coatings, zinc coatings (galvanization), polyethylene encasement, and fusion-bonded epoxy coatings. These coatings are applied to steel rebars to prevent corrosion, enhance durability, and extend the lifespan of the rebars in various applications such as construction, infrastructure, and reinforcement in concrete structures.
Q:What are the common mistakes to avoid while using steel rebars?
When using steel rebars, there are several common mistakes that should be avoided to ensure the structural integrity and safety of the construction project. Some of these mistakes include: 1. Insufficient cover: Failing to provide enough concrete cover over the rebars can lead to corrosion and reduced strength. It is important to follow the design specifications and ensure the required cover is maintained throughout the construction process. 2. Improper placement: Incorrectly placing the rebars can result in weak areas within the structure. It is crucial to follow the approved drawings and ensure proper spacing, alignment, and lap lengths are maintained. 3. Inadequate anchoring: Insufficient anchoring of the rebars can lead to inadequate load transfer and structural failure. It is essential to properly anchor the rebars by providing adequate hooks or bends at the ends and using appropriate tie wire or mechanical connectors. 4. Poor welding practices: If welding is required to connect rebars, it is essential to follow proper welding procedures and ensure high-quality welds. Inadequate or improper welding can weaken the rebars and compromise the structural strength. 5. Neglecting corrosion protection: Steel rebars are susceptible to corrosion, especially in humid or marine environments. Neglecting to provide proper corrosion protection, such as epoxy coating or corrosion inhibitors, can result in premature deterioration and reduced structural performance. 6. Overlapping rebars incorrectly: Overlapping rebars is necessary to ensure the transfer of forces between adjacent sections. However, overlapping them incorrectly by either insufficient length or improper alignment can compromise the structural integrity. 7. Lack of inspection and quality control: Failing to conduct regular inspections and quality control checks during the construction process can lead to unnoticed mistakes or deviations from the design. It is crucial to have qualified personnel inspect the rebars and ensure compliance with the specifications and industry standards. By avoiding these common mistakes and adhering to best practices, the structural integrity and safety of the construction project can be upheld. It is essential to consult with structural engineers, follow approved drawings and specifications, and ensure proper installation and quality control to prevent any potential issues.
Q:How do steel rebars affect the bond strength between concrete and reinforcement?
Steel rebars play a crucial role in enhancing the bond strength between concrete and reinforcement. The presence of rebars in concrete structures creates a mechanical interlock between the two materials, resulting in a stronger and more durable bond. Firstly, rebars provide a larger surface area for the concrete to adhere to. The rough texture of the steel surface allows the fresh concrete to bond effectively, creating a strong bond. This increased surface area also helps to distribute loads more evenly, reducing stress concentrations and enhancing the overall structural integrity of the concrete. Secondly, rebars act as a load transfer medium, transmitting forces between the concrete and reinforcement. As the concrete experiences tensile forces, which it is inherently weak in resisting, the rebars bear these forces and effectively carry them across the concrete-rebar interface. This prevents cracks from propagating and helps to maintain the overall stability and strength of the structure. Moreover, the presence of rebars helps to control cracking in concrete. As the concrete undergoes shrinkage or temperature variations, it tends to crack. However, with the presence of rebars, these cracks are restricted or minimized. The rebars act as reinforcement, holding the concrete together and preventing crack propagation. Additionally, steel rebars improve the bond strength by providing anchorage. The embedment of rebars into the concrete creates a mechanical connection, preventing the rebar from slipping or pulling out. This anchorage ensures that the bond between the concrete and reinforcement remains intact, even under high loads or external forces. In summary, steel rebars significantly enhance the bond strength between concrete and reinforcement. They provide a larger surface area for adhesion, act as load transfer mediums, control cracking, and offer anchorage, ensuring a stronger and more durable bond. Their presence contributes to the overall stability and longevity of concrete structures.
Q:Can steel rebars be used in structures with high levels of chloride or sulfate attack?
No, steel rebars should not be used in structures with high levels of chloride or sulfate attack as these chemicals can cause corrosion and deterioration of the steel, compromising the structure's integrity.
Q:Can steel rebars be used in structures with limited construction technology?
Indeed, structures with limited construction technology can still make use of steel rebars. Steel rebars are frequently employed in construction as a means of reinforcing concrete structures, providing them with strength and longevity. They possess versatility, enabling their usage in a variety of structure types such as buildings, bridges, and dams. Even in regions with limited construction technology, the utilization of steel rebars remains a feasible option. The fundamental procedure involves the bending and cutting of rebars to the necessary sizes and shapes, subsequently placing them within the concrete forms prior to pouring the concrete. This process can be executed with basic tools and equipment commonly found on construction sites with restricted resources. Moreover, the availability of steel rebars in various sizes and grades allows for flexibility in design and construction, rendering them suitable for a wide array of structures. By employing steel rebars, concrete structures can withstand diverse loads and forces, thereby enhancing their overall strength and durability. Although advanced construction technology may enhance the efficiency and precision of the construction process, it is not a prerequisite for employing steel rebars. Through proper training and expertise, construction workers can effectively utilize steel rebars in structures, even in situations where technology is limited, in order to create secure and dependable structures.
Q:Can steel rebars be used in sports arena construction?
Certainly! In the construction of sports arenas, steel rebars find frequent application. Concrete structures, including sports arenas, often rely on steel rebars for reinforcement. The utilization of steel rebars imparts extra strength and stability to the concrete, enabling the structure to endure the various loads and stresses inherent in the arena's design. These loads can range from the weight of the roof, seating, and equipment. Moreover, steel rebars play a crucial role in averting cracks and enhancing the overall durability of the arena. They are commonly embedded within the concrete foundation, columns, and beams of the structure to augment its structural integrity and prolong its lifespan.
Q:How do steel rebars affect the overall crack width of concrete structures?
Steel rebars affect the overall crack width of concrete structures in several ways. Firstly, rebars provide reinforcement to the concrete, making it stronger and more resistant to cracking. The presence of rebars helps distribute the tensile forces within the concrete, preventing cracks from spreading and widening. This is because when the concrete is subjected to tensile stress, the rebars take on a significant portion of the load, reducing the stress on the concrete itself and minimizing crack formation. Moreover, the use of rebars also influences the spacing and size of cracks in concrete structures. By adding rebars at specific intervals and in appropriate sizes, engineers can control the crack width of the concrete. The rebars act as barriers that limit the width of cracks by providing resistance to the tensile forces acting on the concrete. This is particularly important in structures that are exposed to heavy loads or external forces, as it helps maintain the structural integrity and durability of the concrete. Additionally, steel rebars can also affect the propagation of cracks in concrete structures. When cracks do occur, the presence of rebars can help prevent the cracks from extending further. The rebars act as anchors, holding the cracked sections of the concrete together and preventing the cracks from spreading. This is crucial in ensuring the overall stability of the structure and minimizing the risk of structural failure. In summary, steel rebars play a vital role in influencing the overall crack width of concrete structures. They enhance the strength of the concrete, distribute tensile forces, control crack spacing and size, and prevent crack propagation. By incorporating rebars into concrete structures, engineers can effectively manage and reduce the formation and severity of cracks, ensuring the longevity and safety of the structures.
Q:How do steel rebars affect the overall acoustic properties of a structure?
Steel rebars, also known as reinforcement bars, play a significant role in the overall acoustic properties of a structure. The presence of steel rebars can have both positive and negative effects on the acoustic characteristics of a building or infrastructure. One of the primary ways steel rebars affect the acoustic properties is through their ability to transmit sound vibrations. Steel is a good conductor of sound, meaning that it can easily transmit sound waves. Therefore, when steel rebars are present in a structure, they can act as pathways for the transmission of sound, allowing it to travel more easily throughout the building. This can lead to increased noise levels and reduced acoustic privacy, as sound waves can travel through the steel rebars and reach different parts of the structure. On the other hand, steel rebars can also contribute to the overall sound insulation of a structure. When properly installed and integrated with other construction materials, such as concrete or acoustic insulation materials, steel rebars can help reduce the transmission of sound waves. The rigidity and mass of steel rebars can help dampen the vibrations caused by sound waves, thereby reducing the amount of sound that passes through the structure. This can enhance the acoustic comfort within the building, making it quieter and more suitable for various activities that require reduced noise levels. It is worth noting that the impact of steel rebars on the acoustic properties of a structure depends on various factors, such as the thickness and density of the surrounding construction materials, the arrangement and spacing of the rebars, and the overall design of the building. Additionally, the use of additional acoustic treatments, such as sound-absorbing panels or insulation, can further improve the acoustic performance of a structure by mitigating the negative effects of steel rebars. In conclusion, steel rebars have a significant influence on the overall acoustic properties of a structure. While they can facilitate the transmission of sound waves, they can also contribute to sound insulation when combined with appropriate construction materials and techniques. Proper design and implementation, along with the use of additional acoustic treatments, are crucial in achieving a desired acoustic environment in buildings and infrastructure where steel rebars are present.
Q:How do steel rebars prevent concrete structures from collapsing?
Reinforcement and strength are provided to concrete structures by steel rebars, which prevent their collapse. Concrete is capable of withstanding forces that compress or squeeze it, making it a strong material. However, it is not able to withstand forces that pull it apart, resulting in weakness in tension. When subjected to tension, concrete may crack and ultimately fail. To counteract these tensile forces and offer additional strength, reinforcement bars, also known as steel rebars, are typically embedded within concrete structures. These rebars are made of high-strength steel and are strategically placed to resist the pulling forces. When external forces, such as wind or seismic activity, impact a concrete structure, the rebars assist in distributing the load and resisting tension. As the concrete attempts to separate, the rebars hold it together, preventing the propagation of cracks and maintaining the structure's integrity. Additionally, the rebars enhance the overall durability and lifespan of the concrete structure. By reinforcing the concrete, they mitigate the effects of shrinkage and thermal expansion, which can lead to cracks over time. Consequently, a more stable and resilient structure is achieved, capable of withstanding various environmental and structural stresses. In conclusion, steel rebars are crucial in averting the collapse of concrete structures, as they provide the necessary reinforcement and strength to resist tension. They elevate the structural integrity, durability, and safety of concrete structures, ensuring their ability to withstand demands and fulfill their intended purpose for extended periods.

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