• 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: How are steel rebars protected against damage from chemical exposure?
Steel rebars are protected against damage from chemical exposure through a process called corrosion protection. This involves applying a protective coating, such as epoxy or zinc, to the rebars. Additionally, rebars can be encased in concrete, which acts as a barrier against chemical attacks. These protective measures prevent the rebars from deteriorating and ensure their durability in harsh chemical environments.
Q: Are steel rebars easy to handle and transport?
Their relatively lightweight and compact nature makes steel rebars generally easy to handle and transport. Workers can easily lift the smaller sizes of rebars commonly used in construction without relying on heavy machinery. Moreover, the straight and elongated shape of rebars allows for convenient stacking and bundling, facilitating their storage and transportation. In addition, steel rebars can be easily cut and bent on-site using simple tools, contributing to their ease of handling during construction projects. However, it is crucial to consider that larger and heavier rebars may necessitate the use of special equipment or machinery to ensure safety and efficiency during handling and transportation.
Q: What are the different coating options available for steel rebars?
There are several different coating options available for steel rebars, including epoxy coatings, zinc coatings, and galvanized coatings. Epoxy coatings provide a protective layer that helps prevent corrosion and increase the lifespan of the rebar. Zinc coatings, such as hot-dip galvanizing, provide excellent corrosion resistance by creating a barrier between the steel and the environment. Galvanized coatings involve the application of a layer of zinc to the rebar, offering enhanced protection against rust and corrosion. These coating options can be chosen based on the specific needs and requirements of the project or application.
Q: How do steel rebars prevent cracking in concrete?
Steel rebars prevent cracking in concrete by providing additional tensile strength to the composite material. As concrete is strong in compression but weak in tension, the steel rebars act as reinforcement and resist the tensile forces that can cause cracking. By distributing the applied loads more evenly throughout the structure, rebars help to enhance the structural integrity and durability of the concrete, preventing the formation and propagation of cracks.
Q: Are steel rebars fire resistant?
Yes, steel rebars are generally considered to be fire resistant. Steel is an incombustible material, meaning it does not burn or contribute to the spread of fire. In the case of fire, steel rebars can withstand high temperatures for an extended period without losing their structural integrity. This is due to the high melting point of steel, which is around 1370 degrees Celsius (2500 degrees Fahrenheit). Additionally, steel rebars are often encased in concrete during construction, providing an additional layer of protection against fire. However, it is worth noting that in extremely intense and prolonged fire conditions, steel can eventually weaken and lose its load-bearing capacity. Therefore, fire protection measures such as fire-resistant coatings or fireproofing materials are sometimes applied to further enhance the fire resistance of steel structures.
Q: Are steel rebars suitable for use in foundation structures?
Yes, steel rebars are suitable for use in foundation structures. Steel rebars, also known as reinforcing bars, are commonly used in concrete construction to provide strength and reinforcement to the structure. The use of steel rebars in foundation structures helps to increase the load-bearing capacity and durability of the foundation. Steel rebars are made from steel, which has high tensile strength and is resistant to corrosion, making it an ideal material for use in foundation structures. The rebars are placed in the concrete during construction, providing additional strength and preventing cracks or fractures in the foundation. They help to distribute the load evenly throughout the foundation, reducing the risk of settlement or failure. Furthermore, steel rebars can be easily customized to meet the specific requirements of the foundation structure. They come in various sizes, shapes, and grades, allowing for flexibility in design and construction. This versatility makes steel rebars suitable for use in different types of foundation structures, including residential, commercial, and industrial buildings. Overall, steel rebars are a reliable and cost-effective choice for reinforcing foundation structures. They enhance the structural integrity and longevity of the foundation, ensuring a solid and stable base for the entire building.
Q: What is the maximum spacing allowed between steel rebars in concrete slabs?
The maximum spacing allowed between steel rebars in concrete slabs typically depends on various factors such as the thickness of the slab, the load it will bear, and the design requirements. However, as a general guideline, the maximum spacing is often specified to be around 3 times the slab thickness or 18 inches (whichever is less) to ensure proper reinforcement and structural integrity.
Q: Can steel rebars be used in industrial plant construction?
Yes, steel rebars can be used in industrial plant construction. Rebars are commonly used to reinforce concrete structures, including those found in industrial plants, due to their high tensile strength and ability to withstand heavy loads and stresses. They provide structural integrity and durability to the construction, making them an essential component in industrial plant projects.
Q: How are steel rebars manufactured and processed?
Steel rebars, also known as reinforcement bars, are manufactured and processed through a series of steps. The process begins with the melting of raw materials, such as iron ore and scrap metal, in a furnace. Once the molten metal reaches the desired composition, it is poured into molds to form billets or ingots. These billets are then rolled into long, thin rods through a process called hot rolling. The rods are further processed by cooling, straightening, and cutting to the required length. Finally, the rebars are marked with identification codes and subjected to quality checks before being packaged and shipped to construction sites for reinforcement purposes.
Q: What is the average lifespan of steel rebars in concrete structures?
The average lifespan of steel rebars in concrete structures can vary depending on various factors such as the quality of the steel, environmental conditions, and maintenance practices. However, under normal conditions, steel rebars in concrete structures are expected to have a lifespan of around 50 to 100 years.

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