HIGH QUALITY DIN HOT ROLLED STEEL REINFORCEMENT BAR

HIGH QUALITY DIN HOT ROLLED STEEL REINFORCEMENT BAR System 1

HIGH QUALITY DIN HOT ROLLED STEEL REINFORCEMENT BAR

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

Specifications of Hot Rolled Steel Rebar:

The production process of Steel Rebar

1-Waling beam furnace 2-Roughing rolling group 3-Intermediate rolling train

4-Finishing rolling group 5-Water-cooling device 6-Walking beam cooler

7-Finishing equipment(including the cold scale shear,short feet collection system,

automatic counting device,bundling machine, collect bench)

Usage and Applications of Hot Rolled Steel Rebar:

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 Steel Rebar:

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 terms: TT payment in advance or Irrevocable LC at sight.

Trade terms :FOB, CFR, CIF

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

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: How do steel rebars affect the durability of concrete in freeze-thaw cycles?: Steel rebars can greatly enhance the durability of concrete in freeze-thaw cycles. When concrete is exposed to freezing and thawing conditions, it undergoes a cycle of expansion and contraction. During freezing, water inside the concrete pores freezes and expands, exerting pressure on the surrounding concrete matrix. This expansion can lead to cracks and deterioration of the concrete. However, the presence of steel rebars within the concrete can help mitigate these issues. Steel has a much lower coefficient of thermal expansion compared to concrete, which means it does not expand and contract as much with temperature changes. This property allows the steel rebars to absorb the stresses generated during freeze-thaw cycles, preventing significant damage to the concrete structure. Additionally, steel rebars also provide reinforcement to the concrete, increasing its overall strength and toughness. This reinforcement helps to distribute the stresses caused by freeze-thaw cycles more evenly throughout the concrete, reducing the likelihood of cracks forming or propagating. Furthermore, steel rebars act as a barrier against water penetration into the concrete. Moisture is one of the main factors that contribute to freeze-thaw damage. The steel rebars help to create a more impermeable concrete structure by reducing the size and quantity of cracks, preventing water from entering and causing further deterioration. In summary, steel rebars play a crucial role in enhancing the durability of concrete in freeze-thaw cycles. Their ability to absorb stresses, reinforce the concrete, and prevent water penetration significantly reduces the potential for damage and extends the lifespan of the concrete structure.

Q: What is the impact of steel rebars on the sustainability of a structure?: Steel rebars have a significant impact on the sustainability of a structure. Firstly, the use of steel rebars enhances the durability and longevity of the structure. Steel is a highly durable material that can withstand extreme weather conditions, seismic activities, and heavy loads. This means that structures reinforced with steel rebars have a longer lifespan, reducing the need for frequent repairs or replacement. Furthermore, steel rebars contribute to the structural integrity of a building. By reinforcing concrete, steel rebars help to prevent cracks and fractures, ensuring the stability and safety of the structure. This reduces the risk of structural failure, which can have catastrophic consequences. In terms of sustainability, the use of steel rebars also leads to resource efficiency. Steel is a highly recyclable material, with a recycling rate of over 90%. This means that at the end of a structure's life, the steel rebars can be easily recycled and used again, reducing the demand for virgin steel production. This not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions associated with steel production. Additionally, the use of steel rebars allows for flexibility in design and construction. Steel rebars can be easily shaped and bent to fit specific structural requirements, allowing for more efficient use of materials and reducing waste. This flexibility also enables the construction of complex and innovative structures, promoting architectural diversity and creativity. Lastly, steel rebars offer resistance to fire, 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 have a positive impact on 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 resistance to fire. These factors collectively enhance the lifespan, safety, and environmental performance of a structure, making steel rebars a crucial component for sustainable construction.

Q: How are steel rebars inspected for quality on construction sites?: Steel rebars are inspected for quality on construction sites through visual inspection, dimensional measurements, and various non-destructive testing methods such as ultrasonic testing, magnetic particle testing, and radiographic testing. These inspections ensure that the rebars meet the required specifications, are free from defects, and have the necessary strength and durability for their intended use in construction projects.

Q: How do steel rebars affect the overall fire resistance of concrete structures?: Steel rebars can significantly improve the fire resistance of concrete structures. The high thermal conductivity of steel helps in dissipating heat away from the concrete, preventing rapid temperature rise and structural failure. Additionally, the presence of rebars enhances the load-bearing capacity of the structure during a fire, enabling it to withstand the intense heat for a longer duration before collapsing.

Q: How are steel rebars coated with epoxy?: Steel rebars are coated with epoxy through a process called fusion bonding. In this process, the rebars are first cleaned and preheated, and then a layer of epoxy powder is applied to their surface. The rebars are then heated to a high temperature, causing the epoxy powder to melt and fuse with the steel, creating a durable and protective coating.

Q: Are there any specific guidelines for storing steel rebars on-site?: Storing steel rebars on-site requires following specific guidelines. Consider the following key guidelines: 1. To prevent distortion or bending, rebars should be stored on a flat, level surface. If the ground is uneven, create a stable storage area using wooden pallets or metal racks. 2. The storage area must be clean and free from debris that could damage the rebars. Avoid storing rebars directly on the ground or in areas prone to water accumulation. 3. Proper stacking is crucial to prevent rebars from toppling over. Stack them in an organized manner, aligning them vertically and horizontally. Use spacers or separators to maintain adequate spacing between the rebars and prevent contact. 4. When storing rebars outdoors, protect them from rain, snow, and moisture by covering them with a waterproof tarp or plastic sheeting. This prevents rust and corrosion. 5. If rebars are stored indoors, ensure proper ventilation to prevent moisture buildup. This is especially important in humid environments to prevent rusting. 6. Keep rebars away from potential sources of damage, such as heavy machinery, construction equipment, or high-traffic areas. This reduces the risk of accidental damage during construction activities. 7. Regularly inspect the rebars for any signs of damage, rust, or corrosion. If any rebars are found to be damaged, remove them from storage and replace them to maintain structural integrity in the construction project. By adhering to these guidelines, steel rebars can be stored safely while maintaining their structural integrity for use in construction projects.

Q: What are the sizes available for steel rebars?: Different construction needs can be accommodated by steel rebars, which are also known as reinforcing bars. Steel rebars are available in a range of sizes, typically from #3 to #18. Each size is assigned a corresponding number that represents the diameter of the bar in inches. For instance, a #3 rebar has a diameter of 3/8 inch, while a #18 rebar has a diameter of 2 1/4 inches. These sizes are universally standardized and widely utilized in construction projects around the world. The selection of a rebar size depends on various factors, including the structural requirements, load-bearing capacity, and specific engineering specifications of a particular project. The strength and load-bearing capacity of a rebar increase with its diameter. It should be noted that the availability of sizes may differ based on the region or country, as different standards and regulations may be followed. To determine the appropriate size of steel rebars to be used in a construction project, it is always advisable to consult local building codes and seek guidance from engineering professionals.

Q: Can steel rebars be used in offshore oil rig construction?: Yes, steel rebars can be used in offshore oil rig construction. Steel rebars are commonly used in the construction industry, including for offshore structures such as oil rigs. These rebars provide reinforcement to concrete structures, ensuring structural integrity and strength. In the offshore oil rig construction, steel rebars are typically embedded in concrete foundations, columns, and other structural elements to enhance their resistance to various forces such as wind, waves, and seismic activity. The use of steel rebars helps to ensure the durability and safety of offshore oil rigs, making them suitable for the demanding conditions of offshore environments.

Q: Can steel rebars be used in the renovation of historic structures?: Yes, steel rebars can be used in the renovation of historic structures. Steel rebars are commonly used in construction projects to provide reinforcement and increase the structural integrity of buildings, including historic structures. When renovating historic structures, it is essential to maintain the original character and integrity of the building while ensuring its stability and safety. Steel rebars can be strategically placed in the renovation process to reinforce weak areas, strengthen load-bearing elements, and extend the lifespan of the structure without compromising its historical value. However, it is crucial to work with experienced architects, engineers, and preservationists who are knowledgeable in historic preservation to ensure that the use of steel rebars is done in a way that respects the original design and materials of the historic structure.

Q: How to calculate the theory of steel thread?: Calculation method: diameter * diameter *.00617*12 meters * one package of roots = a bundle of weight.

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