• Chinese manufacturer steel rebar high quality System 1
  • Chinese manufacturer steel rebar high quality System 2
Chinese manufacturer steel rebar high quality

Chinese manufacturer steel rebar high quality

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
19865 m.t./month

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Item specifice

Standard:
AISI
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
RHB335,HRB400,Q195
Thickness:
6-38mm
Length:
5.8-12M
Net Weight:
1-2.5MT

Although rebar has ridges that bind it mechanically to the concrete with friction, it can still be pulled out of the 

concrete under high stresses, an occurrence that often precedes a larger-scale collapse of the structure. To prevent 

such a failure, rebar is either deeply embedded into adjacent structural members, or bent and hooked at the ends to 

lock it around the concrete and other rebars. This first approach increases the friction locking the bar into place while 

the second makes use of the high compressive strength of concrete

Most grades of steel used in rebar cannot accept welding; such as, to adjacent steel plates or as means to 

bind single pieces of rebar together. However, special grades of rebar steel and welding rods make welding 

by expert welders possible.


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.


Chinese manufacturer steel rebar high quality

Chinese manufacturer steel rebar high quality

 

Packing:

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

Chinese manufacturer steel rebar high quality

Chinese manufacturer steel rebar high quality

 

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:What is the role of steel rebars in minimizing the risk of progressive collapse?
The risk of progressive collapse in structures can be significantly reduced by the use of steel rebars. Progressive collapse occurs when a primary structural element fails, causing adjacent elements to also fail and resulting in the collapse of the entire structure. In this context, steel rebars have a primary function of improving structural integrity and adding strength to load-bearing elements like columns, beams, and slabs. By reinforcing these elements with steel rebars, the structure becomes more resistant to sudden and catastrophic failures. Typically, steel rebars are embedded within the concrete, creating a composite structure known as reinforced concrete. These rebars serve as reinforcements against the concrete's weakness in tension. When subjected to loads, the rebars bear the tension forces while the concrete handles compression forces. This combination results in a more balanced distribution of the load and prevents localized failures. Steel rebars are especially important in preventing progressive collapse during unexpected failures or extreme events, such as explosions or impacts. They provide additional ductility and redundancy to the structure, ensuring that if one element fails, the load can be distributed to surrounding elements and preventing a domino effect of failure. Beyond preventing progressive collapse, steel rebars also contribute to the overall stability of a structure by increasing its load-carrying capacity. By reinforcing structural elements, they allow for larger spans and higher design loads, reducing the risk of overloading and potential failure. To maintain the effectiveness of steel rebars in minimizing the risk of progressive collapse, regular inspections and maintenance are necessary. These inspections involve checking for corrosion, ensuring proper placement, and providing adequate cover for the rebars to protect them from environmental factors that could compromise their integrity. In conclusion, the use of steel rebars is vital in minimizing the risk of progressive collapse. They reinforce critical load-bearing elements, enhance structural integrity, and provide redundancy. Steel rebars enable structures to withstand unexpected failures and extreme events, ensuring the safety and stability of buildings and infrastructure.
Q:What are the different types of steel rebars used in dam constructions?
In dam constructions, different types of steel rebars are utilized, each possessing specific properties and applications. The commonly employed variants consist of: 1. Mild Steel Rebars, which are manufactured using low carbon steel. Due to their affordability and availability, they find extensive use in dam constructions. Although they exhibit good tensile strength, their resistance to corrosion is relatively low. 2. High Strength Deformed (HSD) Steel Rebars, on the other hand, are crafted from carbon steel and incorporate additional alloys like vanadium or manganese. These rebars offer heightened tensile strength and superior corrosion resistance when compared to their mild steel counterparts. They are typically employed in critical areas of the dam structure that demand enhanced strength. 3. Epoxy-Coated Rebars, as the name suggests, involve the application of an epoxy coating to enhance their resistance to corrosion. This protective layer acts as a barrier against moisture and chemicals, thereby minimizing the risk of corrosion. Epoxy-coated rebars are frequently employed in dam constructions that anticipate exposure to harsh environmental conditions. 4. Stainless Steel Rebars are characterized by their remarkable resistance to corrosion and are typically used in dam constructions that involve aggressive environments such as saltwater or chemical-laden water. Although they are more expensive than other types of rebars, they offer unparalleled durability. 5. Galvanized Rebars, which are coated with a layer of zinc, exhibit excellent corrosion resistance. They are commonly employed in dam constructions where the structure will encounter water or moisture for extended periods. The selection of the most suitable type of steel rebar for dam construction is contingent upon various factors, including the specific project requirements, anticipated environmental conditions, and budgetary constraints. An engineering team will meticulously assess these factors in order to determine the optimal type of steel rebar that ensures the longevity and structural integrity of the dam.
Q:How do steel rebars contribute to the strength of concrete?
The strength of concrete is enhanced in various ways by steel rebars. Firstly, they increase the tensile strength of concrete, which is otherwise relatively low. Although concrete is excellent at withstanding compression, it is weak when it comes to resisting tension. This is where steel rebars come into play. By embedding them within the concrete, they provide extra strength and help prevent cracks from forming and spreading. Secondly, the bond between concrete and the reinforcement material is improved by steel rebars. The ribbed surface of the rebars creates a better grip with the concrete, ensuring a stronger bond. This bond is crucial as it allows the concrete and steel to work together, distributing the loads and minimizing the risk of structural failure. Furthermore, the overall durability and longevity of concrete structures are increased by steel rebars. They are resistant to corrosion, which is a major concern in coastal or high humidity areas. The corrosion resistance of rebars ensures that the concrete remains structurally sound for a longer period, reducing maintenance costs and extending the lifespan of the structure. In addition to their strength-enhancing abilities, steel rebars also contribute to the structural stability of concrete elements. They help reinforce critical areas such as beams, columns, and foundations, where high loads and forces are present. By providing additional support and reinforcement, steel rebars help prevent excessive deflection, bending, or failure of these elements under heavy loads. To summarize, steel rebars are crucial in enhancing the strength of concrete structures by improving tensile strength, bond strength, durability, and overall structural stability. Incorporating them into concrete elements is essential to ensure the longevity and safety of various construction projects.
Q:Can steel rebars be used in reinforced masonry walls?
Yes, steel rebars can be used in reinforced masonry walls. The rebars are typically embedded within the masonry structure to provide additional strength and stability.
Q:How do steel rebars perform in blast-resistant structures?
Steel rebars perform well in blast-resistant structures due to their high tensile strength and ability to absorb and distribute the energy generated by a blast. The reinforcement provided by rebars helps to strengthen the concrete structure, minimizing the risk of collapse and enhancing the overall resilience of the building. Additionally, steel rebars can be designed and placed strategically to further enhance blast resistance, making them a crucial component in ensuring the safety and durability of such structures.
Q:What are the guidelines for the proper spacing of steel rebars in slabs?
To ensure the structural integrity and strength of the concrete slab, it is crucial to adhere to guidelines regarding the proper spacing of steel rebars. Here are some general guidelines to follow: 1. Determining Rebar Diameter: Consider the load and design requirements when selecting the diameter of the steel rebar. Common sizes range from 6mm to 32mm. 2. Spacing Considerations: The thickness of the slab and the design specifications determine the spacing between rebars. As a general rule, the spacing should not exceed three times the slab thickness. For example, if the slab is 150mm thick, the maximum spacing between rebars should be 450mm. 3. Pay Attention to Edge Distance: The distance between the rebar and the edge of the slab is also critical. To prevent cracking and ensure proper load distribution, the minimum edge distance should be at least 50mm. 4. Provide Sufficient Clear Cover: The clear cover refers to the distance between the rebar and the surface of the slab. It is essential to provide enough clear cover to protect the rebar from corrosion. The required clear cover may vary depending on environmental conditions, but typically ranges from 20mm to 40mm. 5. Determine Reinforcement Ratio: The reinforcement ratio represents the amount of steel reinforcement used per unit area of the slab. This ratio is determined by load requirements and design specifications. Typically, the reinforcement ratio ranges from 0.5% to 2%. 6. Address Insufficient Length with Lap Splicing: In situations where the length of the rebar is insufficient, lap splicing is necessary. The lap length should be determined based on the rebar diameter, grade, and design requirements. 7. Ensure Proper Placement: Accurate and secure placement of the rebars inside the slab formwork is crucial. Proper alignment and placement guarantee that the rebars are positioned correctly to resist the anticipated loads. It is important to note that these guidelines are general and may differ depending on the specific project, structural design, and local building codes. We recommend consulting with a structural engineer or referring to the relevant building codes and standards for precise guidelines specific to your project.
Q:How do steel rebars affect the overall fire rating of a building?
Steel rebars can have a positive impact on the overall fire rating of a building. By reinforcing concrete structures, rebars can help enhance the fire resistance of the building. Steel has high melting and ignition temperatures, which means it can withstand heat and maintain its structural integrity for longer periods during a fire. This additional durability provided by rebars can help prevent structural collapse, allowing occupants more time to evacuate safely and aiding firefighters in their efforts to suppress the fire.
Q:Are steel rebars suitable for use in earthquake-prone regions?
Yes, steel rebars are suitable for use in earthquake-prone regions. Steel rebars are commonly used in the construction industry to reinforce concrete structures, making them stronger and more resistant to the forces generated by earthquakes. The ductile nature of steel allows it to absorb and distribute the energy produced during an earthquake, thereby reducing potential damage. Furthermore, steel rebars enhance the overall structural integrity of buildings, making them more capable of withstanding seismic activities. Additionally, steel rebars can be designed and installed in a way that meets seismic design codes and standards specific to earthquake-prone regions, ensuring the safety of the structures. Overall, steel rebars are an effective and reliable choice for reinforcing buildings in earthquake-prone regions.
Q:How long do steel rebars typically last in construction?
Steel rebars typically last for the entire lifespan of a construction project, which could range from several decades to even over a century, depending on the specific conditions and maintenance of the structure.
Q:How are steel rebars different from other types of reinforcement?
Steel rebars, also known as reinforcing bars, are different from other types of reinforcement primarily due to their composition and strength. Unlike other types of reinforcement such as fiberglass or carbon fiber, steel rebars are made of steel, which gives them exceptional strength and durability. One of the key differences between steel rebars and other types of reinforcement is their ability to withstand high tensile forces. Steel has a high tensile strength, meaning it can resist being stretched or pulled apart. This makes steel rebars ideal for reinforcing concrete structures that are subjected to significant tensile loads, such as bridges, buildings, and highways. Another distinguishing feature of steel rebars is their ability to bond well with concrete. The ridges or deformations on the surface of rebars provide better adhesion between the steel and concrete, allowing for efficient load transfer. This bond ensures that the concrete and steel work together as a composite material, enhancing the overall strength and structural integrity of the reinforced concrete structure. Steel rebars also offer versatility in terms of shape and size. They are available in various diameters, lengths, and shapes, including round, square, and deformed. This allows engineers to choose the most appropriate type of rebar based on the specific requirements of the construction project. Additionally, steel rebars are highly resistant to corrosion, especially when they are properly coated or protected. This resistance to corrosion ensures the longevity and durability of the reinforced concrete structure, even in harsh environments or exposure to moisture. In summary, steel rebars differ from other types of reinforcement due to their exceptional strength, ability to withstand high tensile forces, excellent bond with concrete, versatility in shape and size, and resistance to corrosion. These qualities make steel rebars the most commonly used and preferred choice for reinforcing concrete structures in the construction industry.

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