• Reinforcing Steel Bar for Concrete System 1
  • Reinforcing Steel Bar for Concrete System 2
  • Reinforcing Steel Bar for Concrete System 3
Reinforcing Steel Bar for Concrete

Reinforcing Steel Bar for Concrete

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Product Description:

 

OKorder is offering Reinforcing Steel Bar for Concrete at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

Reinforcing Steel Bar for Concrete are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

 

Product Advantages:

OKorder's Reinforcing Steel Bar for Concrete are durable, strong, and wide variety of sizes.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Manufacture: Hot rolled

Grade: HRB335

Size: 6mm-25mm

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

DEFORMED BAR
SIZE
d(mm)
theoretical
kg/m
60.222
80.395
100.617
120.888
141.21
161.58
182
202.47
222.98
253.85
284.83
326.31

Grade

Technical data of the original chemical composition (%)

C

Mn

Si

S

P

B

HRB335

≤0.25

≤1.60

≤0.80

≤0.045

≤0.045

>0.0008

Physics capability

Yield Strength(N/cm2)

Tensile Strength(N/cm2)

Elongation (%)

≥335

≥490

≥16

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

Physics capability

Yield Strength(N/cm2)

Tensile Strength(N/cm2)

Elongation (%)

≥400

≥570

≥14

 

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.

 

Images:

Q:What is the difference between steel rebars and FRP rebars?
Steel rebars and FRP rebars are two different materials used for reinforcement in construction projects. The main difference between steel rebars and FRP (Fiber Reinforced Polymer) rebars lies in their composition and mechanical properties. Steel rebars are made of carbon steel and are known for their high tensile strength and durability. They have been widely used in construction for many years and are a reliable choice for reinforcing concrete structures. On the other hand, FRP rebars are made of fibers, such as glass or carbon, embedded in a polymer matrix. This composite material offers several advantages over steel rebars. Firstly, FRP rebars are lighter in weight, making them easier to handle and transport. This can reduce labor and equipment costs during construction. Secondly, FRP rebars are non-corrosive, unlike steel rebars. Steel rebars are prone to corrosion when exposed to moisture and chemicals, which can weaken the structure over time. FRP rebars do not rust or corrode, making them ideal for environments with high humidity, saltwater, or chemical exposure. Another significant difference is that FRP rebars have a high resistance to electromagnetic fields. This makes them suitable for applications in sensitive areas, such as hospitals, power plants, or telecommunication facilities, where electromagnetic interference should be minimized. However, there are also some limitations to consider with FRP rebars. They have lower tensile strength compared to steel rebars, which means they may not be suitable for heavy-load-bearing structures. Additionally, FRP rebars have a higher initial cost compared to steel rebars, although this can be offset by their long-term durability and reduced maintenance requirements. In summary, the main differences between steel rebars and FRP rebars lie in their composition, mechanical properties, and performance in different environmental conditions. Steel rebars offer high tensile strength but are vulnerable to corrosion, while FRP rebars are lighter, non-corrosive, and have a high resistance to electromagnetic fields. The choice between the two depends on the specific project requirements, load-bearing needs, and environmental factors.
Q:What is the purpose of stirrups in steel rebar reinforcement?
The purpose of stirrups in steel rebar reinforcement is to provide lateral support and enhance the overall structural integrity of reinforced concrete elements. Stirrups are typically made of bent steel bars that are placed around the longitudinal rebar within a concrete column, beam, or slab. One of the main functions of stirrups is to prevent the longitudinal rebar from buckling or bending due to external forces such as compression, tension, or shear. By enclosing the rebar in a series of closely spaced stirrups, the overall strength and stability of the reinforced concrete element are significantly increased. Stirrups also play a crucial role in resisting shear forces, which occur when a structure is subjected to lateral loads or earthquakes. These forces can cause the concrete to crack and fail. However, the presence of stirrups helps distribute the shear stresses more evenly, effectively preventing the formation and propagation of cracks. Furthermore, stirrups enhance the bond between the rebar and concrete by providing additional contact area. This results in improved load transfer and prevents slippage between the rebar and the surrounding concrete. In summary, the purpose of stirrups in steel rebar reinforcement is to enhance the structural strength, stability, and durability of reinforced concrete elements. They provide lateral support, resist bending and shear forces, and improve the bond between the rebar and concrete. By incorporating stirrups into the reinforcement design, engineers can ensure that the concrete structure can withstand various external loads and maintain its integrity over time.
Q:Can steel rebars be used in structures with high levels of carbonation or acid attack?
No, steel rebars should not be used in structures with high levels of carbonation or acid attack. Steel is susceptible to corrosion in acidic environments, and high carbonation levels can increase the acidity of the surroundings. In such conditions, alternative materials that are resistant to corrosion and acid attack, such as stainless steel or fiber-reinforced polymers, should be considered for structural reinforcement.
Q:How do steel rebars contribute to sustainable construction practices?
Steel rebars contribute to sustainable construction practices in several ways. Firstly, they are made from recycled materials, reducing the need for new resources and minimizing the environmental impact of steel production. Additionally, steel rebars have a long lifespan and high durability, leading to less frequent replacement and maintenance, which in turn reduces waste and energy consumption. Moreover, steel rebars provide structural strength to reinforced concrete, allowing for the construction of taller and more efficient buildings, which can optimize land use and minimize the urban sprawl. Overall, steel rebars play a vital role in sustainable construction by promoting resource conservation, reducing waste, and enhancing the longevity and efficiency of structures.
Q:How are steel rebars inspected for quality control?
Steel rebars are inspected for quality control through various methods such as visual inspection, dimensional checks, and mechanical testing. Visual inspection involves checking for any visible defects, such as rust, cracks, or surface irregularities. Dimensional checks ensure that the rebars meet the required specifications in terms of length, diameter, and shape. Mechanical testing involves conducting tests like tensile strength, yield strength, and bend tests to verify the rebars' performance and structural integrity. Additionally, rebars may undergo non-destructive testing techniques like ultrasonic testing or magnetic particle inspection to detect any internal flaws or defects. These inspection processes help ensure that steel rebars meet the necessary quality standards and are suitable for their intended applications in construction projects.
Q:What are the environmental impacts of using steel rebars in construction?
The environmental impacts of using steel rebars in construction include the extraction and processing of raw materials, such as iron ore, which can contribute to deforestation, habitat destruction, and emissions of greenhouse gases. The production of steel also requires significant amounts of energy and water, leading to carbon dioxide emissions and potential water pollution. Additionally, the disposal of steel waste and the potential for corrosion can contribute to land and water pollution. However, steel rebars can also have positive environmental impacts, as they are durable, recyclable, and can contribute to the overall sustainability of a structure.
Q:Are there any alternatives to steel rebars for reinforcement?
Yes, there are several alternatives to steel rebars for reinforcement. Some commonly used alternatives include fiberglass rebar, carbon fiber rebar, and basalt rebar. These materials offer advantages such as higher tensile strength, corrosion resistance, and lighter weight compared to traditional steel rebars. However, the choice of reinforcement material depends on the specific project requirements and considerations.
Q:Are steel rebars easy to handle and install on-site?
Yes, steel rebars are generally easy to handle and install on-site. They are lightweight, durable, and come in various lengths and sizes, making them convenient to work with. Additionally, their ribbed surface provides better adhesion with concrete, ensuring a secure installation.
Q:How do steel rebars affect the overall construction timeline?
Steel rebars can significantly impact the overall construction timeline. Their presence ensures the structural integrity and strength of concrete structures, such as buildings and bridges. However, the installation, positioning, and securing of rebars can be time-consuming and require meticulous planning and coordination. Any delays or errors in rebar installation can potentially slow down the construction process, impacting the timeline. Therefore, it is crucial to efficiently manage the procurement, fabrication, and installation of rebars to keep the construction timeline on track.
Q:Are steel rebars susceptible to corrosion?
Yes, steel rebars are susceptible to corrosion. Corrosion is a natural process that occurs when steel is exposed to moisture, oxygen, and other environmental factors. When steel rebars are used in concrete structures, they are exposed to the elements and can come in contact with water or moisture, which can lead to the formation of rust. This rust can weaken the rebars and eventually compromise the structural integrity of the concrete. To prevent corrosion, various protective measures can be taken, such as applying a protective coating or using corrosion-resistant steel rebars. Regular maintenance and inspection of the concrete structures are also crucial to detect and address any signs of corrosion in a timely manner.

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