• Iron rods for construction concrete for building metal System 1
  • Iron rods for construction concrete for building metal System 2
Iron rods for construction concrete for building metal

Iron rods for construction concrete for building metal

Ref Price:
get latest price
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:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400
Certification:
ISO
Thickness:
6-32m
Length:
5.8-12M
Net Weight:
1-2 MT

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

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 rods for construction concrete for building metal

Iron rods for construction concrete for building metal













Features

1Pure 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.

Iron rods for construction concrete for building metal

Iron rods for construction concrete for building metal


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 aggressive chemical environments?
No, steel rebars cannot be used in aggressive chemical environments as they are susceptible to corrosion and can easily deteriorate in such conditions.
Q:Can steel rebars be used in the construction of offshore platforms?
Yes, steel rebars can be used in the construction of offshore platforms. Steel rebars offer high tensile strength and durability, making them suitable for withstanding the harsh marine environment and heavy loads associated with offshore platforms. Additionally, they can be easily fabricated and installed, making them a popular choice in offshore construction projects.
Q:Can steel rebars be used in structures with heavy dynamic loads?
Yes, steel rebars can be used in structures with heavy dynamic loads. Steel rebars are commonly used in reinforced concrete structures to provide tensile strength and improve the overall structural integrity. They are specifically designed to withstand heavy loads, including dynamic loads such as those caused by vibrations, earthquakes, or moving vehicles. The high tensile strength of steel rebars allows them to absorb and distribute the dynamic loads effectively, preventing structural failure or collapse. Additionally, steel rebars have excellent fatigue resistance, which means they can withstand repeated loading and unloading cycles without losing their strength or integrity. To ensure proper performance under heavy dynamic loads, engineers consider various factors such as the size, shape, and spacing of rebars, as well as the concrete quality and the design of the structure itself. By carefully designing and reinforcing the structure with steel rebars, it is possible to create a safe and durable building that can withstand heavy dynamic loads.
Q:How is steel rebar made?
Steel rebar is made through a process called "hot rolling," where steel billets are heated and then passed through a series of rollers to shape them into long, straight bars. These bars are then cut into desired lengths and surface treated to enhance their strength and corrosion resistance.
Q:How do steel rebars improve the structural integrity of a building?
Steel rebars, also known as reinforcement bars, play a crucial role in enhancing the structural integrity of buildings. They are used in concrete construction to provide strength, durability, and resistance to various forces that a structure may encounter. One key way steel rebars improve the structural integrity of a building is by increasing its load-bearing capacity. When concrete is reinforced with rebars, it becomes more capable of withstanding heavy loads and forces such as those generated by gravity, wind, earthquakes, or even dynamic loads from human activities. The rebars act as a reinforcement network, distributing the load more evenly throughout the structure, preventing excessive deflection, and minimizing the risk of structural failure. Moreover, steel rebars improve the tensile strength of concrete, which is traditionally weak in tension. Concrete is great at bearing compression forces but lacks the ability to effectively resist pulling or stretching forces. By incorporating rebars into the concrete, the combination of materials works together to withstand both compression and tension forces more efficiently. This prevents cracks and fractures from propagating in the concrete, as the rebars act as a support system that holds the structure together. Another advantage of using steel rebars is their resistance to corrosion. Steel is highly durable and can withstand harsh environmental conditions, reducing the risk of degradation over time. This ensures the longevity of the building's structural elements and decreases the need for costly repairs or replacements. Additionally, steel rebars provide flexibility in design and construction. They can be molded into various shapes and sizes to accommodate specific structural requirements, making it possible to optimize the distribution of reinforcement where it is needed most. This flexibility allows architects and engineers to design buildings that are both aesthetically pleasing and safe, without compromising on structural integrity. In conclusion, steel rebars significantly improve the structural integrity of buildings by increasing load-bearing capacity, enhancing tensile strength, resisting corrosion, and providing design flexibility. By reinforcing concrete, they ensure that structures are better equipped to withstand various forces and maintain their stability and safety over time.
Q:Can steel rebars be used in structures with limited construction technology?
Yes, steel rebars can be used in structures with limited construction technology. Steel rebars are commonly used in construction to reinforce concrete structures, providing strength and durability. They are versatile and can be used in various types of structures, such as buildings, bridges, and dams. In areas with limited construction technology, the use of steel rebars can still be feasible. The basic process of placing rebars involves bending and cutting them to the required sizes and shapes, and then placing them within the concrete forms before pouring the concrete. This process can be carried out using basic tools and equipment that are typically available in construction sites with limited resources. Additionally, the availability of steel rebars in various sizes and grades allows for flexibility in design and construction, making them suitable for a wide range of structures. The use of steel rebars ensures that the concrete structure can withstand various loads and forces, enhancing its overall strength and durability. While the availability of advanced construction technology may enhance the efficiency and precision of the construction process, it is not a prerequisite for using steel rebars. With proper training and expertise, construction workers can effectively use steel rebars in structures, even with limited technology, to create safe and reliable structures.
Q:What is the process of deforming steel rebars for better adhesion with concrete?
The process of deforming steel rebars for better adhesion with concrete is known as ribbing or rib deformation. This process involves creating small ridges or raised patterns along the surface of the rebar, which enhances the bond between the concrete and the steel. The ribbing process is typically performed through a mechanical operation called cold rolling. Cold rolling is a metalworking process where the steel rebar is passed through a series of rollers, which exert pressure on the surface and cause plastic deformation. The rollers are designed with specific patterns or configurations that create the desired ribbing on the rebar. The purpose of ribbing is to increase the surface area of the rebar in contact with the concrete. The ridges or patterns created by the ribbing process provide additional points of adhesion for the concrete to grip onto, significantly improving the bond strength between the two materials. This enhanced bond is crucial for reinforcing concrete structures, as it helps to distribute loads and resist tensile forces. The ribbing process is commonly used in the construction industry for reinforcing concrete structures such as beams, columns, and slabs. The specific pattern and depth of the ribbing may vary depending on the project requirements and the type of rebar being used. Manufacturers often adhere to industry standards and guidelines to ensure the proper design and placement of ribbed rebars. In summary, the process of deforming steel rebars for better adhesion with concrete involves ribbing or creating ridges on the rebar's surface. This is achieved through cold rolling, where the rebar is passed through rollers designed with specific patterns. Ribbing increases the surface area and provides additional points of adhesion, improving the bond between the concrete and the rebar.
Q:Are steel rebars suitable for reinforcement in historical monuments?
Steel rebars can be suitable for reinforcement in historical monuments, as they are strong, durable, and provide structural stability. However, it is important to consider the specific requirements and conditions of each monument, as their use can potentially impact the historical integrity and aesthetic value. It is crucial to consult with experts in conservation and restoration to ensure the proper and sensitive use of steel rebars in historical monument reinforcement.
Q:Can steel rebars be used in architectural concrete elements?
Yes, steel rebars can be used in architectural concrete elements. They provide additional strength and reinforcement to the concrete structure, ensuring its durability and stability. Steel rebars are commonly used in architectural designs such as columns, beams, and slabs to enhance the overall structural integrity of the concrete elements.
Q:What are the common types of coatings applied to steel rebars for corrosion protection?
The common types of coatings applied to steel rebars for corrosion protection include epoxy, zinc, and polyethylene.

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