• Hot-Rolled HRB400 Reinforced Deformed Steel Bar System 1
  • Hot-Rolled HRB400 Reinforced Deformed Steel Bar System 2
Hot-Rolled HRB400 Reinforced Deformed Steel Bar

Hot-Rolled HRB400 Reinforced Deformed Steel Bar

Ref Price:
get latest price
Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
100000 m.t./month

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Item specifice

Standard:
ASTM,JIS,EN,API,DIN,BS,GB,AISI
Technique:
Extruded,Saw,Forged,ERW,Cold Drawn,Cold Rolled,Hot Rolled,Spring,EFW
Shape:
LTZ,Oval,Rectangular,Round,Hexagonal,C Channel,Square,U Channel
Surface Treatment:
Dry,Polished,Bright,Black,PVDF Coated,Oiled,Color Coated,Copper Coated,Coated,Galvanized,Chromed Passivation
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
--
Length:
--
Net Weight:
--

Product Description:


Specifications of Hot-Rolled HRB400 Reinforced Deformed Steel Bar


Standard

GB

HRB400

Diameter

6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,

22mm,25mm,28mm,32mm,36mm,40mm,50mm

Length

6M, 9M,12M or as required

Place of origin

Hebei, China mainland

Advantages

exact size, regular package, chemical and   mechanical properties are stable.

Type

Hot rolled deformed steel bar


Chemical Composition of Hot-Rolled HRB400 Reinforced Deformed Steel Bar


Grade

Technical data of the original chemical composition (%)

C

Mn

Si

S

P

V

HRB400

≤0.25

≤1.60

≤0.80

≤0.045

≤0.045

0.04-0.12

Physical capability

Yield Strength (N/cm²)

Tensile Strength (N/cm²)

Elongation (%)

≥400

≥570

≥14


Usage and Applications of Hot-Rolled HRB400 Reinforced Deformed Steel Bar

Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy  and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..


Packaging & Delivery of Hot-Rolled HRB400 Reinforced Deformed Steel Bar

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment term: TT or L/C

Delivery Detail: within 45 days after received advanced payment or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF


Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

    Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

    Standard: ASTM, BS, DIN

    The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.




Q:Are steel rebars suitable for use in road construction?
Certainly, steel rebars prove to be a suitable choice for road construction. These reinforcing bars, widely recognized as steel rebars, find common application in road construction endeavors owing to their exceptional strength and durability. By reinforcing concrete and improving the road's structural integrity, they enable it to endure heavy loads and traffic for extended periods. Steel rebars exhibit remarkable resistance to corrosion and boast a high tensile strength, enabling them to effectively absorb and distribute the stress and strain generated by vehicles traversing the road's surface. Furthermore, steel rebars offer flexibility and prevent concrete from cracking, rendering them an indispensable element in road construction, ensuring the creation of long-lasting and secure roads.
Q:Can steel rebars be used in the construction of sound barriers and noise walls?
Yes, steel rebars can be used in the construction of sound barriers and noise walls. Steel rebars are commonly used as reinforcement in concrete structures, which are often used to build sound barriers and noise walls. They provide strength, durability, and structural integrity to these barriers, ensuring they can effectively reduce noise pollution.
Q:What are the different types of steel rebars used in dam construction?
There are primarily three types of steel rebars used in dam construction: mild steel rebars, high-strength rebars, and epoxy-coated rebars. Mild steel rebars are the most commonly used type and offer good strength and durability. High-strength rebars, as the name suggests, have higher tensile strength and are used in areas that require extra reinforcement. Epoxy-coated rebars are coated with epoxy resin, providing protection against corrosion and extending the lifespan of the rebars in dam structures.
Q:Are steel rebars cost-effective?
Yes, steel rebars are generally considered to be cost-effective. Steel rebars are widely used in construction projects for reinforcing concrete structures because they offer several advantages. Firstly, steel rebars have a high tensile strength, which allows them to withstand heavy loads and prevent concrete from cracking or collapsing under stress. This durability ensures that the reinforced structure remains stable and reduces the need for frequent repairs or replacements, ultimately saving on maintenance costs. Additionally, steel rebars are readily available in the market, making them a cost-effective choice for construction projects. The production of steel rebars is well-established and efficient, leading to competitive prices. Moreover, steel is a recyclable material, and rebars can be easily reused or recycled at the end of their lifespan, contributing to sustainability and reducing the overall cost of construction materials. Furthermore, steel rebars offer versatility in design and construction. They can be easily shaped and customized to fit specific project requirements, making them suitable for a wide range of applications. This flexibility eliminates the need for expensive and time-consuming alternatives, saving both time and money during the construction process. However, it is essential to consider the specific project requirements and local market conditions when evaluating the cost-effectiveness of steel rebars. Factors such as the size of the project, labor costs, and the availability of alternative reinforcement materials can influence the overall cost. In some cases, alternative materials like fiber-reinforced polymers (FRP) or glass fiber-reinforced polymers (GFRP) may be more cost-effective, depending on the project specifications and local market conditions. Overall, steel rebars are widely recognized for their cost-effectiveness due to their durability, availability, recyclability, and versatility. However, it is crucial to conduct a comprehensive cost analysis considering the specific project requirements and available alternatives to make an informed decision.
Q:How do steel rebars resist abrasion in concrete structures?
Steel rebars resist abrasion in concrete structures due to their high tensile strength and durability. When embedded within the concrete, the rebars act as reinforcement, providing additional strength to the structure. During the setting and hardening process of concrete, rebars are firmly embedded within the mixture, creating a strong bond. This bond ensures that the rebars remain securely in place, even when subjected to external forces such as abrasion. The surface of steel rebars is typically treated to enhance their resistance to abrasion. This can include processes such as hot-dip galvanizing or epoxy coating. These surface treatments create a protective layer that shields the rebars from the abrasive effects of the surrounding concrete and other external factors. Furthermore, steel rebars are designed with ridges or deformations along their surface. These ridges increase the surface area of the rebars, promoting a stronger bond with the concrete. This increased bond helps to distribute external forces, such as abrasion, more evenly throughout the structure, reducing the risk of localized damage. In summary, the high tensile strength, durability, and surface treatments of steel rebars, along with their ability to form a strong bond with concrete, enable them to resist abrasion in concrete structures.
Q:Are there any safety precautions when handling steel rebars?
Yes, there are several safety precautions that should be followed when handling steel rebars. Firstly, it is important to wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Secondly, rebars should be lifted and carried in a manner that avoids strain on the back and muscles, using proper lifting techniques. Additionally, workers should be cautious of sharp edges and ensure that the rebars are stacked or stored securely to prevent them from falling or rolling. Regular inspection of rebars for any defects or damage is also essential for safety.
Q:Can steel rebars be used in structures with high chloride ion concentration?
Steel rebars should not be used in structures with high chloride ion concentration as it can lead to corrosion and structural degradation. Instead, alternative materials such as stainless steel rebars or fiber-reinforced polymers should be used to ensure durability and integrity of the structure.
Q:How do steel rebars affect the overall structural integrity of a building?
The overall structural integrity of a building is greatly enhanced by steel rebars. These rebars provide reinforcement and strength to the concrete, making it more durable and resistant to external forces. To begin with, the role of steel rebars in reinforced concrete structures is that of tension members. While concrete itself is strong in compression, it lacks strength in tension. By embedding steel rebars within the concrete, the composite material becomes capable of withstanding tensile forces without cracking or failing. This ensures that the building can endure the tensile stresses caused by factors like wind load, seismic activity, and ground settlement. Additionally, steel rebars aid in the even distribution and dissipation of loads throughout the structure. They enhance the load-bearing capacity of the concrete, enabling it to withstand heavier loads and prevent crack formation. Moreover, the rebars help control the spread of cracks resulting from shrinkage or thermal expansion, thereby averting catastrophic failure. Moreover, the inclusion of steel rebars enhances the ductility of the reinforced concrete structure. Ductility refers to a material's ability to deform under stress before breaking. By incorporating steel rebars, the concrete gains the capacity to bend and stretch without losing its strength. This is particularly crucial in earthquake-prone areas, as the building can absorb and dissipate the energy generated by seismic forces. Furthermore, steel rebars contribute to the durability and longevity of the building. They safeguard the concrete by preventing corrosion and degradation. When properly coated and installed, rebars act as a barrier against moisture and other corrosive elements, thereby preserving the building's structural integrity over time. In conclusion, the impact of steel rebars on the overall structural integrity of a building is significant. They reinforce the concrete, enhance its load-bearing capacity, improve ductility, and increase durability. Incorporating steel rebars into construction ensures that the building can withstand various external forces and maintain its stability and safety for an extended period.
Q:What is the role of steel rebars in preventing structural failures?
The role of steel rebars in preventing structural failures is crucial and integral in the construction industry. Steel rebars, also known as reinforcing bars, are used to reinforce and strengthen concrete structures, ensuring their durability and ability to withstand various forces. One of the primary functions of steel rebars is to enhance the tensile strength of concrete. While concrete is an excellent material for compression, it is relatively weak in tension. The introduction of steel rebars into concrete structures helps to counter this weakness by providing resistance to tensile forces. Steel rebars act as a reinforcement, absorbing and distributing tensile stresses throughout the structure, preventing cracks and fractures from developing and ultimately preventing structural failures. Additionally, steel rebars play a crucial role in preventing structural failures by improving the overall structural stability. By reinforcing concrete, rebars enhance the structural integrity and increase the load-bearing capacity of the structure. This allows the structure to withstand heavier loads and forces, such as those caused by natural disasters, extreme weather conditions, or human activities. Steel rebars are also essential in preventing structural failures caused by corrosion. Concrete structures are exposed to various environmental factors that can lead to corrosion of the reinforcing steel, such as moisture, chemicals, and salts. As steel rebars are typically coated or protected with anti-corrosive materials, they provide a barrier against corrosion, ensuring the long-term durability and integrity of the structure. Furthermore, steel rebars aid in preventing structural failures by providing stability during construction. During the construction process, steel rebars are strategically placed within the concrete forms to provide reinforcement at critical points and areas prone to high stress. This ensures that the structure is stable and can withstand the loads and forces imposed during and after construction. In summary, the role of steel rebars in preventing structural failures is multi-faceted. They enhance the tensile strength of concrete, increase structural stability, prevent corrosion, and provide stability during construction. By reinforcing the concrete, steel rebars significantly contribute to the overall strength, durability, and safety of structures, ultimately preventing structural failures and ensuring the longevity of the built environment.
Q:How are steel rebars protected from corrosion?
Steel rebars are protected from corrosion through the use of various methods such as applying protective coatings, using corrosion inhibitors, and employing cathodic protection systems.

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