• Material steel rebar high quality from China System 1
  • Material steel rebar high quality from China System 2
Material steel rebar high quality from China

Material steel rebar high quality from China

Ref Price:
get latest price
Loading Port:
Guangzhou
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
19000 m.t./month

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Item specifice

Standard:
AISI,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
HRB400,RHB335
Certification:
ISO,SGS
Thickness:
6-28mm
Length:
6-12m
Net Weight:
1-2mt

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.

 

Common rebar is made of unfinished steel, making it susceptible to rusting. As rust takes up greater volume than the iron or steel

from which it was formed, it causes severe internal pressure on the surrounding concrete, leading to cracking, spalling, and ultimately, structural failure. This is a particular problem where the concrete is exposed to salt water, as in bridges built in areas where salt is

applied to roadways in winter, or in marine applications. Epoxy-coated rebar or stainless steel rebar may be employed in these situations at greater initial expense, but significantly lower expense over the service life of the project. Fiber-reinforced polymer rebar is now also being

used in high-corrosion environments

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.

 

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

 

Material steel rebar high quality from China

Material steel rebar high quality from China

Packing:

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

Material steel rebar high quality from China

Material steel rebar high quality from China

 

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 do steel rebars affect the overall seismic performance of a structure?
Steel rebars play a crucial role in improving the overall seismic performance of a structure. By reinforcing concrete elements, such as beams, columns, and slabs, rebars enhance the structural integrity and ductility of the building. This means that during an earthquake, the rebars help the structure withstand the lateral forces and deformations, minimizing the risk of collapse. Additionally, the presence of rebars improves the energy dissipation capacity of the structure, allowing it to absorb and dissipate seismic energy, further enhancing its resilience.
Q:What is the process of cutting steel rebars on-site?
The process of cutting steel rebars on-site involves several steps to ensure accurate and precise cuts. Here is a general outline of the process: 1. Measurement and Marking: First, the length required for the steel rebar is measured using a tape measure or other measuring tools. Once the desired length is determined, it is marked on the rebar using a chalk line or a permanent marker. 2. Safety Measures: Before proceeding with the cutting process, it is crucial to ensure safety. Workers should wear appropriate personal protective equipment (PPE), including gloves, safety glasses, and steel-toe boots. Additionally, the work area should be clear of any obstructions or hazards. 3. Set Up the Cutting Tools: There are various tools available for cutting steel rebars on-site, such as an angle grinder with a cutting disc, a reciprocating saw with a metal-cutting blade, or a rebar cutter. The chosen tool should be set up and secured according to the manufacturer's instructions. 4. Cutting the Rebar: Once the cutting tool is ready, the marked section of the rebar is positioned securely on a stable surface. The cutting tool is then carefully guided along the marked line, applying consistent pressure to achieve a clean and precise cut. It is essential to maintain control of the cutting tool throughout the process to avoid any accidents. 5. Inspecting the Cut: After the cut is made, it is important to inspect the quality of the cut. The cut end should be smooth and free from any burrs or rough edges. If necessary, a file or a grinding tool can be used to smooth out any imperfections. 6. Handling and Disposing: Once the steel rebar is cut to the desired length, it can be safely handled and used for its intended purpose. Any leftover pieces or scraps should be appropriately disposed of, following local regulations for metal waste disposal. It is crucial to note that the exact process and tools used for cutting steel rebars on-site may vary depending on the specific requirements, available equipment, and safety protocols of the construction site. It is always recommended to follow the manufacturer's instructions and consult with professionals when carrying out such tasks.
Q:How do steel rebars affect the overall thermal stability of a structure?
Steel rebars can significantly improve the overall thermal stability of a structure. Due to their high thermal conductivity, steel rebars help in dissipating heat more efficiently and evenly throughout the structure. This prevents the formation of localized hot spots and reduces the risk of thermal expansion, which can cause structural deformations and cracks. Additionally, steel rebars enhance the structural integrity of a building during fire incidents by providing necessary reinforcement and preventing sudden collapses.
Q:What are the different types of corrosion protection coatings for steel rebars?
There are several types of corrosion protection coatings available for steel rebars, each offering different levels of protection and durability. 1. Epoxy Coatings: Epoxy coatings are one of the most common and effective corrosion protection coatings for steel rebars. They provide a thick, durable barrier that prevents moisture and corrosive substances from reaching the steel surface. Epoxy coatings can be applied by spray, brush, or dip methods and provide excellent adhesion and resistance to chemicals. 2. Zinc Coatings: Zinc coatings, such as hot-dip galvanization or zinc-rich paint, are another popular choice for corrosion protection. These coatings create a sacrificial barrier, where the zinc corrodes instead of the steel rebar. Zinc coatings are highly effective in preventing corrosion, even in harsh environments, and can be applied in various thicknesses depending on the level of protection required. 3. Fusion-Bonded Epoxy (FBE) Coatings: FBE coatings are commonly used in underground or submerged applications. These coatings are applied by heating the steel rebar, which causes the epoxy powder to melt and bond to the surface. FBE coatings provide excellent corrosion resistance and are resistant to chemicals, abrasion, and impact. 4. Polymer Coatings: Polymer coatings, such as polyurethane or polyethylene, are often used in high-temperature environments or where chemical resistance is required. These coatings provide a protective barrier that is resistant to UV radiation, abrasion, and chemicals. Polymer coatings can be applied by spray or dip methods and offer good adhesion to the steel surface. 5. Concrete Coatings: In reinforced concrete structures, the concrete itself can act as a corrosion protection coating for the steel rebars. The high alkalinity of concrete creates a protective layer around the steel, known as the passivating layer, which helps prevent corrosion. Additionally, the use of corrosion inhibitors in the concrete mix can enhance the corrosion protection of steel rebars. It is important to select the appropriate corrosion protection coating based on the specific environmental conditions, intended application, and required durability. Consulting with experts or engineers experienced in corrosion protection can help determine the most suitable coating for steel rebars in a given situation.
Q:What is the typical cost of steel rebars per ton?
The typical cost of steel rebars per ton can vary depending on factors such as location, market conditions, and the specific grade and size of the rebars. However, as of 2021, the average cost of steel rebars per ton ranges between $500 to $800.
Q:Can steel rebars be used in slabs and beams?
Slabs and beams can utilize steel rebars for reinforcement purposes. Steel rebars, also known as reinforcing bars, are frequently employed in concrete construction to strengthen and enhance the durability of structures. In slabs, rebars are typically arranged in a grid formation to evenly distribute the load and prevent concrete cracking or failure. They aid in controlling and reducing the development and spread of cracks caused by factors such as shrinkage, temperature fluctuations, or external pressures. Similarly, beams benefit from the use of rebars to bolster their structural integrity and ability to bear heavy loads. Through the incorporation of steel rebars into slabs and beams, the overall strength, rigidity, and resistance to bending and shearing forces are substantially elevated, leading to a construction that is safer and more dependable.
Q:Can steel rebars be used in historical building preservation?
Yes, steel rebars can be used in historical building preservation. Steel rebars are commonly used to reinforce and strengthen structures, including historical buildings. They provide structural support and help maintain the integrity of the building while preserving its historical significance. However, it is important to ensure that the use of steel rebars is done carefully and in accordance with preservation guidelines to minimize any potential damage or alteration to the historical fabric of the building.
Q:Are there any limitations on the diameter of steel rebars?
Steel rebars have limitations on their diameter. Typically, national and international building codes and standards regulate and standardize the diameter of steel rebars. These codes and standards guarantee that the rebars utilized in construction projects meet safety requirements by being of suitable size and strength. The actual restrictions on the diameter of steel rebars may differ based on their intended purpose and the specific regulations implemented. Nevertheless, it is customary to encounter construction projects utilizing rebars with diameters ranging from 6mm to 50mm.
Q:Can steel rebars be used in decorative or artistic applications?
Yes, steel rebars can be used in decorative or artistic applications. They can be shaped, welded, or manipulated to create unique and visually appealing designs for sculptures, furniture, architectural elements, and more. The durability and strength of steel rebars make them suitable for both functional and aesthetic purposes in decorative or artistic projects.
Q:What is the impact of steel rebars on the sustainability of a structure?
The sustainability of a structure is significantly influenced by steel rebars. To begin with, the usage of steel rebars improves the structure's durability and longevity. Steel is an incredibly durable material that can withstand harsh weather conditions, seismic activities, and heavy loads. Consequently, structures reinforced with steel rebars have a longer lifespan, reducing the need for frequent repairs or replacement. Moreover, steel rebars contribute to the structural integrity of a building. By reinforcing concrete, they help prevent cracks and fractures, ensuring the stability and safety of the structure. This, in turn, diminishes the risk of structural failure, which can have disastrous consequences. Regarding sustainability, the use of steel rebars also promotes resource efficiency. Steel is highly recyclable, with a recycling rate exceeding 90%. Consequently, at the end of a structure's life, the steel rebars can be easily recycled and reused, thereby reducing the demand for new steel production. This not only conserves natural resources but also decreases energy consumption and greenhouse gas emissions associated with steel production. Additionally, the use of steel rebars allows for flexibility in design and construction. They can be easily shaped and bent to meet specific structural requirements, resulting in more efficient use of materials and decreased waste. This flexibility also enables the construction of intricate and innovative structures, fostering architectural diversity and creativity. Lastly, steel rebars offer fire resistance, which is crucial for the safety of a structure and its occupants. Steel does not burn or contribute to the spread of fire, providing a higher level of fire resistance compared to other materials. This feature enhances the overall sustainability of a structure by reducing the risk of fire-related damage and loss. In conclusion, steel rebars positively impact the sustainability of a structure. They enhance durability, contribute to structural integrity, promote resource efficiency through recycling, enable flexibility in design and construction, and provide fire resistance. These factors collectively enhance the lifespan, safety, and environmental performance of a structure, making steel rebars a crucial component for sustainable construction.

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