• Hot rolled steel rebar factory price of china mill System 1
  • Hot rolled steel rebar factory price of china mill System 2
Hot rolled steel rebar factory price of china mill

Hot rolled steel rebar factory price of china mill

Ref Price:
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Loading Port:
Ningbo
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,JIS,EN
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
RHB335,HRB400
Certification:
ISO,SGS
Thickness:
6-40mm
Length:
5.8-12m
Net Weight:
1-2mt

Rebar is common steel reinforcing bar, an important component of reinforced concrete and reinforced masonry structures.

It is usually formed from mild steel, and is given ridges for better frictional adhesion to the concrete.

Concrete is a material that is very strong in compression, but virtually without strength in tension. To compensate for this

imbalance in concrete's behavior, rebar is formed into it to carry the tensile loads.

.Most grades of steel used in rebar cannot accept welding; such as, to adjacent steel plates or as means to bind single

pieces of rebar together. However, special grades of rebar steel and welding rods make welding by expert welders possible.

 

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

 

Hot rolled steel rebar factory price of china mill

Hot rolled steel rebar factory price of china mill

Packing:

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

Hot rolled steel rebar factory price of china mill

Hot rolled steel rebar factory price of china mill

 

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:Are there any specific guidelines for handling and storing steel rebars?
To ensure the quality and prevent any damage or accidents, specific guidelines exist for handling and storing steel rebars. Some of these guidelines include the following: 1. Use appropriate lifting equipment, such as cranes or forklifts, to handle the rebars and prevent strain or damage. Lift the rebars from the center to maintain balance and stability. 2. Before storing or using steel rebars, inspect them for defects like bends, cracks, or rust. Discard or repair any damaged or defective rebars before use. 3. Store steel rebars in a dry and well-ventilated area to prevent moisture accumulation and corrosion. Keep them off the ground on a flat surface, such as wooden pallets or racks, to avoid contact with soil or water. Take care when stacking rebars to prevent deformation or distortion. 4. Store different sizes and types of rebars separately to avoid mixing or confusion during use. Label or color-code the rebars for easy identification and retrieval. 5. Protect steel rebars from extreme temperatures, sunlight, and chemicals. Cover them with plastic sheets or tarpaulins to prevent moisture, dust, and debris from settling. 6. Securely tie or bundle steel rebars using appropriate strapping or wire during transportation. Avoid any impact or vibration that could cause damage. 7. Provide training on proper handling and storage techniques for steel rebars. Ensure personnel are aware of the hazards associated with improper handling and equipped with personal protective equipment (PPE) like gloves, safety boots, and helmets. By following these guidelines, you can ensure the quality and longevity of steel rebars, reduce the risk of accidents, and maintain a safe working environment.
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:Are steel rebars susceptible to magnetism?
Yes, steel rebars are susceptible to magnetism as they are made primarily of iron, which is a ferromagnetic material.
Q:How do steel rebars resist alkali-silica reaction in concrete?
The primary reason why steel rebars can withstand the alkali-silica reaction in concrete is because of the passive film that forms on their surface and the alkaline environment of the concrete. When steel rebars are embedded in concrete, they develop a passive film on their surface. This film serves as a protective layer that prevents direct contact between the steel and the aggressive alkali-silica reactive aggregates that are present in the concrete. The formation of this passive film is a result of the high pH of the alkaline environment created by the cement in the concrete, which usually has a pH level of 12-13. This high pH aids in the creation of an oxide layer on the surface of the steel rebar, effectively shielding it from the reactive elements in the aggregates. Moreover, the alkaline environment of the concrete plays a crucial role in maintaining the passivity of the steel rebars. The alkalinity of the concrete enables the passive film to remain stable and intact, providing a continuous barrier against the alkali-silica reaction. As long as the pH of the concrete remains high, the steel rebars will continue to resist the reaction. It is important to note that the thickness and quality of the passive film on the steel rebars are vital in guaranteeing their resistance to the alkali-silica reaction. Any factors that can compromise the integrity of this film, such as carbonation or chloride contamination, can increase the risk of the reaction occurring. In conclusion, the resistance of steel rebars to the alkali-silica reaction in concrete is primarily due to the presence of a passive film on their surface, which is formed by the alkaline environment of the concrete. This film functions as a protective barrier, preventing direct contact between the steel and the reactive aggregates and minimizing the likelihood of the reaction occurring.
Q:How do steel rebars improve the structural integrity of concrete?
The structural integrity of concrete is greatly improved by steel rebars in several ways. Firstly, they bolster the tensile strength of concrete, which is otherwise feeble in tension. While concrete excels in compressive strength, it lacks the ability to withstand pulling or stretching forces. By inserting steel rebars into the concrete, the overall tensile strength of the structure is significantly heightened. The steel rebars function as reinforcement by dispersing stress and load across a wider area, preventing cracks and fractures from spreading through the concrete. They establish a sturdy bond between the concrete and the reinforcement, enabling the structure to bear heavy loads and withstand bending, shearing, and other forces that could jeopardize its stability. Furthermore, steel rebars aid in managing and mitigating the impacts of shrinkage and thermal expansion and contraction that occur in concrete. These occurrences frequently lead to cracking and structural damage. The steel rebars help restrict the movement of the concrete, lessening the likelihood of crack formation and ensuring the overall integrity of the structure. Moreover, steel rebars prolong the durability and lifespan of concrete structures. They possess a high resistance to corrosion, which is particularly crucial in environments with elevated moisture levels, chemical exposure, or contact with saltwater. The presence of steel rebars safeguards the concrete from deterioration and extends the lifespan of the structure. In conclusion, steel rebars play a vital role in enhancing the structural integrity of concrete by fortifying its tensile strength, distributing stress and loads, preventing cracks, managing shrinkage, resisting bending and shearing forces, and increasing durability. They provide a dependable and efficient reinforcement system that guarantees the stability and longevity of concrete structures.
Q:Can steel rebars be used in structures with high alkaline environments?
Structures with high alkaline environments, like concrete, generally allow for the use of steel rebars. Nevertheless, it is crucial to take into account the potential for corrosion in such environments. The alkaline nature of concrete forms a protective layer, known as a passive film, on the surface of the steel rebar, which aids in preventing corrosion by reducing contact between the steel and corrosive elements. However, several factors can impact the corrosion resistance of steel rebars in high alkaline environments. These factors encompass the quality of the concrete, the presence of chloride ions (which can disrupt the passive film), the extent of environmental exposure, and the design of the structure. Ensuring that high-quality concrete is used and taking measures to minimize the presence of contaminants that may accelerate corrosion are of utmost importance. In cases where the alkaline environment is highly aggressive or the structure is subject to severe conditions, additional protective measures might be required. These measures can include the application of corrosion-resistant coatings or the implementation of cathodic protection systems to mitigate the risk of corrosion. In conclusion, careful consideration of the specific conditions and appropriate measures are essential when using steel rebars in structures with high alkaline environments. Consulting with structural engineers and corrosion specialists can aid in determining the most suitable approach for utilizing steel rebars in such settings.
Q:How do steel rebars contribute to the overall fire safety of a structure?
Steel rebars contribute to the overall fire safety of a structure by providing reinforcement and strength to the concrete elements. In the event of a fire, the steel rebars help to maintain the structural integrity of the building, preventing collapse and ensuring a safe evacuation. Additionally, steel has a high melting point, which means it can withstand high temperatures for longer periods compared to other materials, further delaying the spread of fire and allowing more time for firefighting efforts.
Q:Can steel rebars be used in structures with high electromagnetic shielding requirements?
Steel rebars can be used in structures with high electromagnetic shielding requirements to some extent. Steel is inherently a good conductor of electricity, which means it can help to divert and absorb electromagnetic waves. This property makes steel rebars helpful in reducing the penetration of electromagnetic radiation into structures. However, it is important to note that the effectiveness of steel rebars in providing electromagnetic shielding depends on various factors. The thickness and quality of the steel rebars, the design and construction of the structure, and the frequency and intensity of the electromagnetic waves all play a role in determining the level of shielding provided. In cases where extremely high electromagnetic shielding requirements are necessary, additional measures may be needed. These could include using specialized materials specifically designed for electromagnetic shielding, such as conductive coatings or composite materials with high conductivity. Moreover, it is crucial to consider the overall design and construction of the structure to ensure proper grounding of the steel rebars. Proper grounding helps to channel and dissipate the electromagnetic energy safely, preventing the buildup of potentially harmful electromagnetic fields. In conclusion, while steel rebars can contribute to electromagnetic shielding in structures, the level of shielding provided may vary depending on several factors. For structures with stringent electromagnetic shielding requirements, it is advisable to consult with experts in the field to determine the most appropriate materials and construction techniques.
Q:How are steel rebars identified based on their grades?
Steel rebars are identified based on their grades through a specific marking system. The grade of a steel rebar indicates its tensile strength and other mechanical properties. This identification is crucial for construction purposes as it ensures the proper use of rebars based on their strength requirements. The marking system used for identifying steel rebars typically involves a series of numbers, letters, or symbols. The most common method is to mark the rebar with a series of numbers that represent the minimum yield strength of the steel. For example, a rebar with a grade of 40 will have "40" stamped on it, indicating a minimum yield strength of 40,000 pounds per square inch (psi). In addition to the numerical marking, some rebars may also have letters or symbols to provide more detailed information about their characteristics. These additional markings can include the type of steel used, such as "A" for mild steel or "W" for weldable steel. Other symbols may indicate the rebar's country of origin or specific manufacturer information. It is important to note that different countries and regions may have their own specific marking systems and standards for identifying steel rebars. Therefore, it is essential to consult the local building codes or regulations to understand the specific grading system used in a particular area. Overall, the grade markings on steel rebars provide crucial information about their strength and mechanical properties, enabling engineers, contractors, and construction workers to select and use the appropriate rebars for different structural applications.
Q:How do steel rebars contribute to the crack-resistance of concrete?
Steel rebars contribute to the crack-resistance of concrete by providing tensile strength to the structure. As concrete is strong in compression but weak in tension, the rebars act as reinforcement, absorbing the tensile forces that may lead to cracks. By distributing these forces throughout the concrete, rebars enhance the overall durability and structural integrity of the concrete, making it less prone to cracking.

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