Iron Rod and Reinforcing Steel Rebar 6-12m

Iron Rod and Reinforcing Steel Rebar 6-12m

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 18000 m.t./month

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Item specifice

Standard:

ASTM,JIS

Technique:

Hot Rolled

Shape:

Round

Surface Treatment:

Dry

Steel Grade:

RHB335,HRB400

Thickness:

6-38mm

Length:

5.8-12m

Net Weight:

1-2mt

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

Iron Rod and Reinforcing Steel Rebar 6-12m

Packing:

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

Iron Rod and Reinforcing Steel Rebar 6-12m

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:How are steel rebars protected from vandalism during construction?: Steel rebars are typically protected from vandalism during construction by implementing security measures such as fencing, surveillance cameras, and security personnel. Additionally, construction sites often have strict access control procedures in place, limiting entry only to authorized personnel. These measures help deter potential vandals and ensure the protection of steel rebars and other construction materials.

Q:Are there any limitations on using steel rebars in cold climates?: Using steel rebars in cold climates comes with certain limitations. The primary concern is the possibility of corrosion caused by moisture, salt, and de-icing chemicals commonly applied to roads and bridges during winter. Exposure to these elements can lead to rusting and gradual weakening of steel rebars, compromising the concrete's structural integrity. To address this issue, there are several measures that can be taken. One common approach is the use of epoxy-coated rebars, which offer protection against moisture and chemicals. Another option is to utilize stainless steel rebars, as they have high resistance to corrosion. However, it is worth noting that these alternatives can be more expensive compared to traditional steel rebars. Additionally, the construction process in cold climates presents its own set of challenges. Low temperatures result in slower curing and strengthening of concrete, which can affect the overall project timeline. To ensure proper curing, special precautions such as heating the concrete or using accelerators may be necessary. To guarantee compliance and safety, it is crucial to consult local building codes and regulations that are specific to cold climates. Seeking guidance from engineering professionals experienced in cold weather construction practices can provide valuable insights and recommendations to address the limitations associated with using steel rebars in these conditions.

Q:How do steel rebars contribute to the crack control in concrete structures?: Steel rebars contribute to crack control in concrete structures by providing tensile strength. Concrete is strong in compression but weak in tension. When a load is applied to a concrete structure, such as a beam or column, the rebars resist the tension forces that would otherwise cause cracking or failure. By reinforcing the concrete with steel rebars, the structure becomes more resistant to cracking, improving its overall strength and durability. Additionally, the rebars help distribute stress throughout the structure, reducing the likelihood of localized cracking and improving the structural integrity.

Q:How do steel rebars improve the durability of concrete structures?: Concrete structures can be made more durable in various ways through the use of steel rebars. Firstly, steel rebars act as reinforcement, adding strength and stability to the structure. When combined with concrete, the high tensile strength of steel rebars helps resist cracking and prevent collapse under heavy loads or seismic activities. Secondly, steel rebars assist in controlling the formation and spread of cracks in concrete structures. Concrete is strong in compression but weak in tension, making it prone to cracking under tensile forces. By strategically placing steel rebars within the concrete, cracks are minimized and prevented from spreading, thereby improving the overall durability of the structure. Furthermore, steel rebars enhance the resistance of concrete structures against corrosion. The highly alkaline nature of concrete forms a protective layer around the steel rebars, preventing rust. This corrosion resistance ensures the rebars maintain their structural integrity over time, reducing the risk of deterioration and enhancing the longevity of the concrete structure. Moreover, steel rebars also increase the fire resistance of concrete structures. With their high melting point, steel rebars can withstand high temperatures, preventing the concrete from losing its structural integrity during a fire. This additional fire resistance ensures the stability and safety of the concrete structure in case of a fire, further enhancing its durability. In conclusion, the inclusion of steel rebars significantly enhances the durability of concrete structures by providing added strength, controlling cracks, improving corrosion resistance, and increasing fire resistance. These advantages contribute to the longevity and safety of concrete structures, making them more reliable and sustainable in the long term.

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:What are the factors to consider while designing a reinforced concrete structure with steel rebars?: There are several factors to consider while designing a reinforced concrete structure with steel rebars. Firstly, the structural loads acting on the building, such as dead loads, live loads, and environmental loads, need to be carefully analyzed and considered. This analysis helps determine the appropriate size and spacing of the rebars. Secondly, the design must take into account the desired strength and durability of the structure. The type and grade of concrete, as well as the quality and corrosion resistance of the steel rebars, must be selected to ensure the desired lifespan and performance of the structure. Thirdly, the construction constraints and limitations, including the availability of materials and construction techniques, should be considered during the design stage. This helps ensure that the design is practical and feasible to implement. Lastly, it is crucial to adhere to the relevant building codes, regulations, and industry standards. These guidelines provide specific requirements and safety factors that must be followed to ensure the structural integrity and safety of the reinforced concrete structure with steel rebars.

Q:Do steel rebars increase the overall weight of a structure?: Yes, steel rebars do increase the overall weight of a structure. Rebars are typically added to reinforce concrete structures, providing tensile strength to counteract the concrete's weakness in handling tension forces. Steel rebars are made of steel, which is a dense and heavy material. When incorporated into a structure, the weight of the rebars adds to the total weight of the construction. However, the additional weight is usually negligible compared to the overall weight of the structure, especially in large-scale projects. The benefits of using steel rebars in terms of structural integrity and durability far outweigh the minimal increase in weight they contribute.

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. Chloride attack occurs when chloride ions penetrate the concrete and react with the steel, causing corrosion. This can result in the degradation of the rebars and the overall structural integrity of the building. Similarly, sulfate attack occurs when sulfate ions react with the components of the concrete, leading to the formation of expansive compounds that cause cracking and deterioration. To prevent these types of attacks, alternative materials such as stainless steel rebars or corrosion-resistant alloys should be used in structures exposed to high levels of chloride or sulfate. These materials have a higher resistance to corrosion and can better withstand the aggressive chemical environment. Additionally, proper design and construction techniques, such as adequate concrete cover and the use of protective coatings, can also help mitigate the effects of chloride or sulfate attack. It is important to consult with structural engineers or corrosion specialists to determine the best approach for each specific project.

Q:Are steel rebars suitable for use in industrial facilities?: Yes, steel rebars are highly suitable for use in industrial facilities. Steel rebars are commonly used in construction projects to reinforce concrete structures, and their robustness and strength make them ideal for industrial facilities where heavy loads and high-stress environments are common. The use of steel rebars helps enhance the structural integrity and load-bearing capacity of the facility, ensuring it can withstand the demands of industrial operations. Additionally, steel rebars are highly resistant to corrosion, which is a crucial factor in industrial settings where exposure to moisture, chemicals, and other corrosive substances is prevalent. Overall, steel rebars provide the necessary strength, durability, and corrosion resistance required for industrial facilities, making them a suitable choice for reinforcing concrete structures in such environments.

Q:How do steel rebars affect the structural integrity of a building?: Steel rebars play a vital role in improving the structural integrity of buildings. These reinforced steel bars are mainly used in concrete structures to impart strength and stability. By reinforcing the concrete, rebars assist in withstanding tensile forces and preventing the formation of cracks in the building. Enhancing the overall load-bearing capacity of the structure is one of the primary ways rebars impact structural integrity. The combination of concrete and steel rebars creates a composite material capable of withstanding greater weight and stress. This is especially crucial in tall buildings or structures that need to support heavy loads like bridges or parking garages. Additionally, rebars help alleviate the effects of shrinkage and temperature fluctuations on the concrete. Concrete tends to shrink and expand due to changes in temperature and humidity, which can lead to crack formation and compromise the building's structural integrity. However, by embedding rebars within the concrete, these forces are counteracted, preventing significant damage. Another crucial aspect of rebars is their ability to resist bending and deformation. In the event of an earthquake or other dynamic forces, rebars aid in distributing the energy throughout the structure, reducing the risk of collapse. This resilience proves vital in regions prone to seismic activity. Furthermore, steel rebars offer exceptional durability and longevity. Unlike materials like wood or plastic, steel does not rot, decay, or attract termites or other pests. This ensures that the building's structural integrity remains intact over time, reducing the need for frequent repairs or replacements. In conclusion, steel rebars greatly enhance the structural integrity of buildings. By reinforcing concrete, rebars provide strength, increase load-bearing capacity, resist shrinkage and temperature changes, mitigate the effects of dynamic forces, and offer long-lasting durability. Without the inclusion of rebars, buildings would be more susceptible to cracking, structural failure, and compromised safety.

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