• Hot Rolled Steel HRB500 Deformed steel bar for Construction System 1
  • Hot Rolled Steel HRB500 Deformed steel bar for Construction System 2
  • Hot Rolled Steel HRB500 Deformed steel bar for Construction System 3
Hot Rolled Steel HRB500 Deformed steel bar for Construction

Hot Rolled Steel HRB500 Deformed steel bar for Construction

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Steel HRB500 Deformed steel bar for Construction 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

Hot Rolled Steel HRB500 Deformed steel bar for Construction 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 Hot Rolled Steel HRB500 Deformed steel bar for Construction are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

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

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

 

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

Brand name

DRAGON

 

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

Packaging & Delivery of  Hot Rolled d-bar Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

4. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.

5. Delivered by container or bulk vessel

 

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 begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q4: What makes stainless steel stainless?

A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q5: Can stainless steel rust?

A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

 

Images:

Q: How do steel rebars affect the fire resistance of a structure?
The fire resistance of a structure can be affected both positively and negatively by steel rebars. On the positive side, steel rebars provide added strength and stability, enhancing the fire resistance. Having steel rebars in concrete structures can prevent collapse during a fire, giving occupants more time to evacuate and allowing emergency responders to control the situation. However, there are also drawbacks to steel rebars when it comes to fire resistance. Steel is a highly conductive material, meaning it transfers heat quickly. During a fire, the steel rebars can heat up and transfer the heat to the surrounding concrete, potentially weakening its structural integrity. This weakens the fire resistance of the structure. To counteract the negative effects of steel rebars on fire resistance, certain measures can be taken. One common approach is to apply fire-resistant coatings or wraps to the steel rebars. These coatings or wraps act as a barrier, slowing down the heat transfer from the steel to the concrete and enhancing fire resistance. Additionally, the size, spacing, and arrangement of steel rebars also play a role in fire resistance. Proper design and placement of rebars ensure that heat is distributed evenly, reducing the risk of localized weakening and structural failure. In conclusion, steel rebars have a significant impact on the fire resistance of a structure. While they improve overall strength and stability, they can also contribute to heat transfer and potential weakening. By implementing appropriate measures such as fire-resistant coatings and proper design, the negative effects of steel rebars on fire resistance can be minimized, ensuring the safety and integrity of the structure during a fire.
Q: What are the safety precautions to be followed while working with steel rebars?
To prevent accidents and injuries while working with steel rebars, it is essential to adhere to specific safety measures. Consider the following precautions: 1. Personal Protective Equipment (PPE): Ensure that you always wear suitable PPE, including safety glasses, gloves, hard hats, and steel-toed boots. These items will shield you from potential dangers like falling objects, sharp edges, and flying debris. 2. Training and Knowledge: Before handling steel rebars, make sure you have undergone proper training and understand the associated safety protocols. Familiarize yourself with the equipment used and comprehend the potential risks involved. 3. Proper Lifting Techniques: Handling steel rebars can be challenging due to their weight and awkward shape. Always utilize correct lifting techniques, such as bending your knees and using your legs instead of your back. Do not attempt to lift a rebar that exceeds your capacity; seek assistance if necessary. 4. Secure Storage: Store steel rebars in a designated area that is free from potential obstructions. Stack them in a stable manner to prevent toppling and causing injuries. 5. Safe Handling: When moving steel rebars, exercise caution due to their sharp edges and potential for harm. Employ appropriate lifting equipment, such as cranes or forklifts, if required. Avoid dragging or sliding rebars, as this can lead to strains or sprains. 6. Fall Protection: If working at heights or near open edges, ensure that adequate fall protection measures are in place. This may involve using guardrails, safety harnesses, or safety nets to prevent falls. 7. Fire Safety: Steel rebars can become extremely hot when exposed to heat or flames. Ensure that appropriate fire prevention measures are in place, such as fire extinguishers, and exercise caution when working near flammable materials. 8. Communication: Maintain clear communication with colleagues and supervisors to ensure everyone is aware of their surroundings and potential hazards. Utilize hand signals or radios when working in noisy environments. 9. Regular Inspections: Routinely inspect steel rebars for any defects, such as cracks or sharp edges, that could pose a safety risk. Immediately remove any damaged or faulty rebars from use. 10. First Aid and Emergency Procedures: Familiarize yourself with first aid procedures and emergency protocols in the event of accidents or injuries. Have a well-stocked first aid kit readily available on-site and know the location of the nearest medical facility. By adhering to these safety precautions, you can minimize the likelihood of accidents and injuries while working with steel rebars. Always prioritize your safety and the safety of those around you.
Q: How are steel rebars different from other types of reinforcement?
Steel rebars are different from other types of reinforcement primarily because they are made of steel, which gives them high tensile strength and durability. Unlike other materials like wood or concrete, steel rebars can withstand heavy loads and provide structural integrity to reinforced concrete structures. Additionally, steel rebars can be easily molded and shaped into various designs, making them versatile and suitable for different construction applications.
Q: Can steel rebars be used in water storage tanks?
No, steel rebars should not be used in water storage tanks as steel can corrode over time when exposed to water, leading to potential contamination of the water and compromising the structural integrity of the tank.
Q: What are the guidelines for ensuring proper bond between steel rebars and concrete?
Ensuring a strong bond between steel rebars and concrete is vital for the structural integrity and performance of reinforced concrete structures. To achieve this, the following guidelines should be followed: 1. Correct Placement of Rebars: The rebars must be positioned according to the design specifications, including the required spacing, cover, and lap lengths. It is important to maintain the appropriate spacing between rebars and the concrete surface to provide sufficient concrete cover and prevent corrosion. 2. Thorough Surface Preparation: The steel rebars should be free from loose rust, scale, or contaminants that could hinder the bond with the concrete. Effective surface preparation techniques such as wire brushing, sandblasting, or using a high-pressure water jet can be used to clean the rebars. 3. Mechanical Bond: Ribbed or deformed rebars offer a better mechanical bond with concrete compared to smooth bars. The surface deformations increase the contact area between the rebar and the concrete, thereby enhancing the bond strength. 4. Proper Embedment Length: The embedment length, also known as the development length, is the distance over which the rebar is embedded in the concrete. It is typically calculated based on the required bond strength, concrete strength, and rebar diameter. Adequate embedment length is essential for achieving the desired bond performance. 5. High-Quality Concrete: The quality of concrete, including its strength, workability, and curing, plays a crucial role in achieving a proper bond with steel rebars. The concrete mix should be proportioned correctly, ensuring sufficient cement content, appropriate water-to-cement ratio, and proper compaction during placement. 6. Sufficient Concrete Cover: Adequate concrete cover should be provided around the rebars to protect them from environmental factors, prevent corrosion, and ensure long-term durability. The concrete cover is typically specified in design codes and should be maintained during construction. 7. Proper Reinforcement Splicing: When connecting multiple rebars, proper splicing techniques should be used to ensure a continuous and strong bond. Lap splices, mechanical couplers, or welded splices can be employed based on the design requirements and project specifications. 8. Effective Vibration Techniques: During concrete placement, proper vibration techniques should be employed to ensure adequate compaction and minimize voids or honeycombs around the rebars. This helps to achieve a better bond between the steel rebars and the surrounding concrete. 9. Prevention of Contamination: The rebars should be protected from contamination during storage and construction. Exposure to excessive moisture, chemicals, or other corrosive substances can compromise the bond between the rebars and the concrete. 10. Adherence to Design Specifications: Lastly, it is crucial to strictly adhere to the design specifications and recommendations provided by structural engineers or relevant design codes. These guidelines are tailored to ensure a proper bond between steel rebars and concrete, considering factors such as loadings, environmental conditions, and durability requirements.
Q: Can steel rebars be used in structures with limited construction materials?
Yes, steel rebars can be used in structures with limited construction materials. Steel rebars are commonly used in construction to reinforce concrete structures, such as buildings, bridges, and highways. They provide strength and stability to the structure, helping it withstand heavy loads and prevent structural failure. In areas where there may be limited construction materials available, steel rebars can be a valuable resource. They are durable and can be used in a variety of applications, making them a versatile option for construction projects. Additionally, steel rebars can be easily transported and installed, making them suitable for use in remote or hard-to-reach locations. However, it is important to consider the specific requirements and regulations of the construction project when using steel rebars. Adequate knowledge and expertise are needed to ensure proper installation and compliance with safety standards. Additionally, if there are specific limitations or restrictions on the use of certain construction materials, it is important to consult with local authorities or professionals to determine the best course of action.
Q: Are there any health and safety concerns related to steel rebars?
Yes, there are potential health and safety concerns related to steel rebars. Handling and working with steel rebars can pose risks such as cuts, injuries from falling or displaced rebars, and musculoskeletal disorders due to heavy lifting or repetitive movements. Additionally, workers may be exposed to hazards during the fabrication process, such as welding fumes or noise pollution. Adequate safety measures, including personal protective equipment and proper training, should be implemented to mitigate these risks and ensure a safe working environment.
Q: How are steel rebars inspected for quality on construction sites?
In construction projects, steel rebars play a critical role by providing reinforcement and strength to concrete structures. It is crucial to ensure the quality of steel rebars in order to guarantee the safety and durability of the overall construction. To inspect the quality of steel rebars on construction sites, various methods are commonly used. The first and most basic method of quality inspection is visual examination. This involves visually inspecting the rebars for any visible defects such as cracks, deformations, rust, or surface irregularities. Any rebars with such flaws are immediately identified and rejected. Another method involves measuring and checking the dimensions of the rebars. Inspection personnel use measuring tools like calipers or tape measures to verify the length, diameter, and other dimensions of the rebars. Any deviation from the specified tolerances may result in rejection. Magnetic Particle Testing (MPT) is a non-destructive testing method that is commonly employed to detect surface and near-surface defects in steel rebars. In this technique, the rebar is magnetized and ferromagnetic particles are applied, which accumulate at any surface defects or cracks. Trained inspectors carefully examine the surface to identify any areas of concern. Ultrasonic Testing (UT) is another non-destructive testing method used for inspecting rebars. It involves transmitting ultrasonic waves through the rebar. These waves reflect back differently when they encounter defects like voids, cracks, or inclusions. Trained technicians analyze the reflected waves to identify and assess the quality of the rebars. Tensile Testing is carried out to determine the tensile strength of the rebars, which is crucial in assessing their quality. A sample rebar is pulled until it breaks, and the force required to do so is measured. This test helps determine the strength and ductility of the rebar, ensuring it meets the required standards. Chemical analysis is often conducted on steel rebars to ensure they meet the specified composition requirements. Samples are collected from the rebars, and various tests are performed to determine the chemical composition, including carbon, manganese, and other alloying elements. This analysis helps ensure that the rebars possess the necessary properties for the intended application. These inspection methods are typically carried out by qualified and experienced personnel, such as certified welding inspectors or quality control technicians. By implementing these quality inspection procedures, construction sites can ensure that the steel rebars used in their projects meet the required standards, thereby ensuring the safety and longevity of the structures being constructed.
Q: What is the effect of steel rebars on the weight of a structure?
Steel rebars have a significant effect on the weight of a structure. Rebars are typically made of steel, which is known for its high strength-to-weight ratio. When incorporated into a structure, these reinforcement bars add strength and rigidity without significantly increasing the overall weight. By reinforcing concrete with steel rebars, the structure becomes better equipped to withstand various forces and stresses, such as tension, compression, bending, and shearing. This reinforcement allows the structure to handle heavier loads and increases its overall durability and longevity. While steel rebars add strength to the structure, they do not significantly contribute to its weight. This is beneficial as it allows for the construction of lighter and more efficient structures. The reduced weight can have several advantages, including lower construction costs, reduced material requirements, decreased transportation costs, and improved seismic performance. Moreover, the use of steel rebars also enables the construction of more slender and aesthetically pleasing structures. The increased strength provided by the rebars allows for the use of thinner concrete sections, resulting in sleek designs and more open spaces. In summary, the effect of steel rebars on the weight of a structure is minimal. Instead, their primary role is to enhance the structural integrity, strength, and durability of the building without adding excessive weight.
Q: How do steel rebars affect the overall sustainability of bridge constructions?
The overall sustainability of bridge constructions is greatly improved by the inclusion of steel rebars. Firstly, steel rebars play a crucial role in enhancing the longevity and durability of bridges. They reinforce concrete structures, ensuring that tensile and compressive forces are evenly distributed and minimizing the risk of cracks and structural failure. This results in a longer functional lifespan for the bridge, reducing the need for frequent repairs or replacements and ultimately decreasing material consumption and waste generation. Furthermore, the sustainability of bridge constructions is further enhanced by the high recyclability of steel rebars. Once a bridge reaches the end of its life cycle, the steel rebars can be easily removed and recycled. This reduces the demand for new steel production, conserving natural resources and reducing carbon emissions associated with manufacturing processes. Additionally, the recycling of steel rebars helps mitigate the environmental impacts of mining and extraction activities. In addition, the use of steel rebars enables the design of lighter and more efficient bridge structures. Steel is known for its high strength-to-weight ratio, allowing for the creation of slender and visually appealing bridge designs. By reducing the weight of the bridge, less material is required for construction, resulting in lower energy consumption and carbon emissions during manufacturing, transportation, and construction phases. Furthermore, lighter bridge structures place less strain on the supporting foundation, reducing the need for costly reinforcement measures. In conclusion, the inclusion of steel rebars positively impacts the overall sustainability of bridge constructions in various ways. They enhance durability, reduce the need for repairs or replacements, and minimize waste generation. The recyclability of steel rebars helps conserve natural resources, reduce carbon emissions, and mitigate environmental impacts. Additionally, the use of steel rebars allows for the design of lighter and more efficient bridge structures, resulting in lower energy consumption and associated carbon emissions.

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