Deformed iron rods for construction building

Deformed iron rods for construction building

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 17497 m.t./month

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Specification

Standard:

AISI

Technique:

Hot Rolled

Shape:

Round

Surface Treatment:

Dry

Steel Grade:

RHB335,HRB400

Certification:

ISO,CE

Thickness:

6-38mm

Length:

5.8-12M

Net Weight:

1-2.5MT

steel rebar is metal bars often used in construction for pouring concrete or supporting walls and columns. The

rebar can be smooth, though they are frequently manufactured with deformations that create greater texture to

which concrete can adhere, creating a stronger bond that helps prevent cracking of concrete. These deformations

do not create weaknesses in the rebar, and when rebar is measured to determine its diameter, it is typically measured

at the narrowest point. Strength grades indicate the amount of pressure the steel rebar can withstand, and grade and

diameter are typically presented in both imperial and metric units

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

Deformed iron rods for construction building

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.

Packing:

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

Deformed iron rods for construction building

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 do steel rebars affect the ductility of reinforced concrete?: Steel rebars greatly enhance the ductility of reinforced concrete. By adding steel reinforcement, the tensile strength of the concrete is significantly increased, preventing it from cracking or failing under tensile stresses. The rebars act as a reinforcement system that absorbs and redistributes the tensile forces, allowing the concrete to withstand more deformation and elongation before reaching its ultimate failure point. This improved ductility makes reinforced concrete structures more resistant to earthquakes, impact loads, and other external forces.

Q: What are the maintenance requirements for steel rebars in a structure?: The maintenance requirements for steel rebars in a structure are crucial to ensure the stability and longevity of the building. Steel rebars, also known as reinforcing bars, are used to enhance the strength of concrete structures and resist tension forces. Here are some key maintenance requirements to consider: 1. Visual Inspection: Regular visual inspections should be conducted to detect any signs of corrosion, cracks, or damage in the rebars. This can be done by qualified personnel who have knowledge and experience in identifying structural issues. 2. Cleaning: The rebars should be kept clean from any debris, dirt, or chemicals that can accelerate corrosion. Adequate cleaning methods, such as using water and mild detergents, should be employed to maintain their condition. 3. Corrosion Protection: Steel rebars are susceptible to corrosion, especially in environments with high humidity, exposure to saltwater, or chemical pollutants. Applying protective coatings like epoxy or zinc can help prevent or delay corrosion, increasing the rebars' lifespan. 4. Repair or Replacement: If any rebars are found to be severely corroded, cracked, or damaged, it is essential to repair or replace them promptly. Ignoring these issues can compromise the structural integrity of the building and lead to safety hazards. 5. Monitoring: Continuous monitoring of the rebars' condition is recommended to detect any changes or deterioration over time. This can involve using advanced techniques like ultrasonic testing or electrical potential measurements to assess the rebars' integrity. 6. Proper Drainage: Ensuring proper drainage systems in the structure can help prevent water accumulation and reduce the chances of corrosion in the rebars. Properly designed and maintained gutters, downspouts, and waterproofing measures can help minimize water exposure. 7. Regular Maintenance Schedule: Establishing a regular maintenance schedule is crucial to ensure that all the necessary inspections, cleaning, and repairs are carried out systematically. This helps in identifying potential issues early on and taking corrective actions promptly. By adhering to these maintenance requirements, the steel rebars in a structure can be preserved, contributing to the overall safety, durability, and longevity of the building. Regular maintenance not only prevents costly repairs but also ensures the structural integrity required for the safety of occupants and the longevity of the structure.

Q: Can steel rebars be used in precast or prestressed concrete?: Precast or prestressed concrete can indeed incorporate steel rebars. These reinforcing bars, otherwise referred to as steel rebars, are frequently utilized in precast and prestressed concrete constructions to bolster their strength and endurance. Typically, the rebars are embedded within the concrete matrix to effectively withstand the pulling forces that may arise during the structure's lifespan. By utilizing steel rebars, the structural integrity and load-bearing capacity of precast or prestressed concrete components are heightened, enabling them to endure heavier loads and mitigating the risk of failure. Moreover, steel rebars also aid in the transmission of stresses between different sections of the precast or prestressed concrete elements, ensuring an even distribution of forces and augmenting the overall performance of the structure. Consequently, steel rebars are widely employed in precast and prestressed concrete construction to enhance the structural properties and longevity of the final product.

Q: What are the potential drawbacks of using steel rebars?: One potential drawback of using steel rebars is the risk of corrosion. Steel is susceptible to rust and corrosion when exposed to moisture and chemicals, which can weaken the rebars over time and compromise the structural integrity of the reinforced concrete. To mitigate this drawback, proper protective coatings and maintenance are required. Additionally, steel rebars are heavy and may require specialized equipment for handling and installation, which can add to the overall construction costs.

Q: Can steel rebars be used in marine structures?: Yes, steel rebars can be used in marine structures. However, it is crucial to use corrosion-resistant rebars, such as stainless steel rebars or epoxy-coated rebars, to prevent corrosion in the harsh marine environment.

Q: How do steel rebars affect the weight of a concrete structure?: The weight of a concrete structure can be significantly impacted by steel rebars. These rebars, typically made of steel, reinforce the concrete and enhance its strength and durability. They are primarily placed in areas of concrete under tension, such as the bottom of beams or the middle of slabs. While the presence of steel rebars does add to the overall weight of the structure, it also allows for the use of less concrete. By adding reinforcement, the concrete can withstand higher loads and stresses, reducing the need for excessive amounts of concrete. As a result, the structure becomes lighter. Furthermore, steel rebars enable the design and construction of more slender and efficient structures. The increased strength provided by the rebars allows for longer spans and thinner sections, which reduces the dead load. This not only decreases the weight of the structure but also offers more flexibility in architectural and structural design. In addition, the weight of a concrete structure is a critical consideration, particularly in high-rise buildings or long-span structures. Excessive weight can strain the foundation and increase construction costs. By utilizing steel rebars, the weight of the concrete structure can be optimized without compromising its structural integrity. To sum up, steel rebars play a crucial role in reducing the weight of concrete structures. They enable the use of less concrete while maintaining the required strength, resulting in lighter and more efficient structures. The use of rebars also provides flexibility in design and reduces construction costs associated with excessive weight.

Q: How are steel rebars marked for identification?: Steel rebars are typically marked for identification using various methods such as embossing, stamping, or painting. These markings usually include information like the manufacturer's logo, bar size, grade, and sometimes the production date.

Q: What is the role of steel rebars in the construction of wind turbine towers?: The role of steel rebars in the construction of wind turbine towers is to provide structural reinforcement and increase the overall strength and stability of the tower. The rebars are embedded within the concrete tower during construction, creating a reinforced concrete structure that can withstand the high winds and dynamic loads experienced by wind turbines.

Q: What is the role of steel rebars in preventing cracks in concrete structures?: Steel rebars are an essential component in the prevention of cracks in concrete structures. Their role involves reinforcing the concrete, thereby increasing its overall strength and durability. Initially, concrete possesses strong compressive strength but lacks the ability to withstand tension forces, making it susceptible to cracking. To address this weakness, steel rebars are embedded within the concrete. These rebars serve as a framework, effectively distributing and absorbing tensile forces that would otherwise lead to cracks in the concrete. In essence, when the concrete experiences tension, the rebars bear the load and assist in redistributing the forces, effectively preventing the formation or spread of cracks. Furthermore, the presence of steel rebars significantly enhances the structural integrity of the concrete by fortifying its resistance to bending, shear, and other forms of stress. This reinforcement is particularly crucial in large concrete structures such as buildings, bridges, and dams, as it ensures their stability and longevity. In addition to their role in preventing cracks caused by tension, steel rebars also play a critical role in mitigating cracks resulting from temperature changes and shrinkage. Concrete tends to expand and contract due to fluctuations in temperature, which can lead to cracking if not adequately controlled. By providing restraint, steel rebars help regulate these movements, minimizing the potential for cracks. Overall, steel rebars are instrumental in improving the concrete structures' ability to resist cracking. They not only reinforce the concrete and enhance its tensile strength but also aid in the distribution and control of forces that may cause cracks. By effectively preventing cracks, steel rebars contribute to the long-term durability and safety of concrete structures.

Q: Is the shear wall concealed column stirrup steel or round steel? What are you asking for?: Specify the construction drawing is HPB300 is hot rolled round bar, that is HRB335, HRB400 is the hot rolled ribbed bar. Don't call thread steel, this name has long been abandoned. Simple, light marked wall column reinforcement detail construction drawing on the diameter and spacing is not encrypted, what non encrypted area, like the dense spacing.

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