Hot Rolled Deformed Steel Rebars for Constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 200000 m.t./month
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Specifications of Hot Rolled Deformed Steel Rebars for Constrution:
Standard | GB UK USA | HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Price | Keep lower operating costs so as to offer competitive price for our clients | ||
Delivery Detail | within 45 days after received advanced payment or LC. | ||
Application | mainly used in construction industry to reinforce concrete structures and so on | ||
Invoicing | Actual or Theoretical Weight Basis as buyer’s request. | ||
Type | Hot rolled steel rebar | ||
Brand name | DRAGON | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
6 | 28.27 | 0.222 | 2.664 | 375.38 |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
10 | 78.54 | 0.617 | 7.404 | 135.06 |
12 | 113.1 | 0.888 | 10.656 | 93.84 |
14 | 153.9 | 1.21 | 14.52 | 68.87 |
16 | 201.1 | 1.58 | 18.96 | 52.74 |
18 | 254.5 | 2.00 | 24 | 41.67 |
20 | 314.2 | 2.47 | 29.64 | 33.74 |
22 | 380.1 | 2.98 | 35.76 | 27.96 |
25 | 490.9 | 3.85 | 46.2 | 21.65 |
28 | 615.8 | 4.83 | 57.96 | 17.25 |
32 | 804.2 | 6.31 | 75.72 | 13.21 |
36 | 1018 | 7.99 | 98.88 | 10.43 |
40 | 1257 | 9.87 | 118.44 | 8.44 |
50 | 1964 | 15.42 | 185.04 | 5.40 |
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 Deformed Steel Rebars for Constrution:
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 Deformed Steel Rebars for Constrution:
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
Steel Rebar in stock
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 are steel rebars stored and handled on construction sites?
- Steel rebars, also referred to as reinforcing bars, play a vital role in construction projects that involve reinforced concrete structures. To guarantee their safety and effective utilization, these rebars are systematically and meticulously stored and managed on construction sites. Initially, steel rebars are typically delivered to construction sites bundled together and secured with wire or binding materials. Once unloaded from the delivery truck, they are carefully placed in specific areas called rebar yards or cages. These designated spaces are purposefully designed to accommodate the rebars' length, size, and weight, ensuring that they are elevated above the ground and shielded from moisture, dirt, and potential damage. Within the rebar yard, the rebars are commonly arranged horizontally and grouped based on their size, length, and grade. This arrangement enables easy identification and accessibility when required for construction purposes. Moreover, spacers or wooden blocks are often placed between the rebars to prevent direct contact, minimizing the risk of corrosion or entanglement. When it comes to handling steel rebars, construction workers must prioritize safety and adhere to specific guidelines. It is essential to wear personal protective equipment, such as gloves and safety boots, to prevent injuries and maintain a secure grip on the rebars. In certain cases, lifting equipment like cranes or forklifts may be utilized to move and transport the rebars to different areas of the construction site. During transportation, it is crucial to properly secure the rebars to prevent any shifting or falling that could result in accidents. Dragging the rebars on the ground should be avoided, as it can cause damage or deform their shape, compromising their structural integrity. It is of utmost importance to inspect steel rebars before use to ensure they meet the required specifications and are free from any defects. Rusty or damaged rebars should be either discarded or repaired, depending on the severity of the issue. In conclusion, steel rebars are stored and handled with great care and attention on construction sites. Proper storage in designated rebar yards, appropriate grouping and separation, and adherence to safety guidelines during handling are all crucial factors that contribute to the successful and efficient use of steel rebars in construction projects.
- Q: What are the common types of steel rebars used in residential construction?
- The common types of steel rebars used in residential construction are typically Grade 40, Grade 60, and Grade 75. These rebars vary in terms of their yield strength and are chosen based on the specific structural requirements of the project.
- Q: What is the role of steel rebars in preventing concrete spalling?
- The role of steel rebars in preventing concrete spalling is crucial. Concrete spalling occurs when the outer layer of concrete chips, cracks, or breaks off due to various factors such as moisture, temperature changes, and corrosion. Steel rebars, also known as reinforcement bars, are embedded within the concrete to provide additional strength and support to the structure. When concrete is subjected to external forces or stress, such as heavy loads or seismic activity, the rebars help distribute the forces throughout the structure, preventing localized areas of weakness and reducing the likelihood of spalling. The rebars act as a reinforcement, increasing the tensile strength of the concrete and enhancing its ability to withstand tension and bending forces. Moreover, steel rebars also play a crucial role in preventing spalling caused by corrosion. Concrete is naturally porous, allowing moisture and harmful substances to penetrate its surface and reach the embedded rebars. Over time, these substances can cause the steel to corrode, expanding in size and exerting pressure on the surrounding concrete, leading to spalling. To combat this, rebars are usually coated with epoxy, galvanized, or made from stainless steel, to provide a protective barrier against moisture and corrosive agents. This protective coating significantly reduces the risk of corrosion and subsequent spalling, prolonging the lifespan of the concrete structure. In summary, steel rebars play a vital role in preventing concrete spalling by providing reinforcement, enhancing the tensile strength of the concrete, and distributing forces evenly throughout the structure. Additionally, the corrosion-resistant properties of properly coated rebars help mitigate the risk of spalling caused by moisture and corrosive agents.
- Q: Can steel rebars be used in sound barrier walls?
- Yes, steel rebars can be used in sound barrier walls. Steel rebars provide structural strength and stability to the walls, making them suitable for withstanding external forces and vibrations. Additionally, the steel rebars help in reinforcing the concrete used in the walls, enhancing their durability and longevity.
- Q: What is the minimum cover requirement for steel rebars in concrete?
- The minimum cover requirement for steel rebars in concrete is typically determined by building codes and structural design specifications. It can vary depending on factors such as the type of structure, environmental conditions, and the level of exposure to potential damage. However, a common guideline is to have a minimum cover of 1.5 inches (or 40 millimeters) for rebars in most reinforced concrete construction.
- Q: How do steel rebars affect the maintenance requirements of a structure?
- Steel rebars, also known as reinforcing bars, play a significant role in the maintenance requirements of a structure. These bars, made of steel, are embedded within concrete to provide strength and durability to the structure. One of the primary ways steel rebars affect maintenance is by enhancing the overall structural integrity of a building or infrastructure. The presence of rebars significantly increases the load-bearing capacity of concrete, allowing it to withstand external forces such as wind, earthquakes, and heavy loads. This reinforcement helps prevent cracks, deformations, and structural failures, ultimately reducing the maintenance needs of a structure. Furthermore, steel rebars also contribute to the longevity of a structure. By providing tensile strength to concrete, they protect it from the effects of shrinkage and expansion caused by temperature fluctuations. These rebars act as a framework that holds the concrete together, minimizing the risk of cracks and ensuring the structural stability of the building over time. Consequently, the maintenance requirements are reduced as the structure remains intact and resilient against environmental factors. However, it is important to note that steel rebars can also influence maintenance requirements in certain circumstances. If the rebars are not properly designed, installed, or protected, they can be susceptible to corrosion. Corrosion occurs when moisture and oxygen penetrate the concrete and reach the steel, causing it to rust. Rusting rebars can lead to the expansion of steel, creating internal pressure that can result in cracking and spalling of the concrete. Thus, regular inspections, maintenance, and protection measures such as epoxy coating or cathodic protection systems are necessary to prevent corrosion and ensure the longevity of the structure. In conclusion, steel rebars positively impact the maintenance requirements of a structure by enhancing its strength, durability, and longevity. They reduce the need for repairs and maintenance caused by structural failures and increase the overall resilience against external forces. However, proper design, installation, and protection of rebars are crucial to avoid corrosion-related issues that could increase maintenance needs.
- Q: What is the process of reinforcing concrete columns with steel rebars?
- The process of reinforcing concrete columns with steel rebars involves several steps to ensure structural integrity and strength. Firstly, the design and specifications of the concrete column are determined based on the required load-bearing capacity and other structural considerations. This includes determining the size, shape, and location of the rebars within the column. Next, the concrete formwork is prepared, which involves constructing a temporary mold or framework in the desired shape and dimensions of the column. This formwork provides support and containment for the concrete during pouring and curing. Once the formwork is in place, the steel rebars are carefully positioned and secured within the formwork. The rebars are typically arranged in a specific pattern to provide maximum reinforcement and strength. This pattern may include vertical bars along the length of the column, as well as horizontal bars that wrap around the vertical bars. The rebars are usually tied together at intersections using wire or other fasteners to maintain their position and prevent movement during the concrete pouring process. This ensures that the rebars are properly embedded within the concrete and will effectively reinforce the column. After the rebars are securely in place, the concrete is poured into the formwork. The concrete mixture is carefully placed and consolidated to ensure it completely surrounds and encases the rebars. This helps to bond the concrete and steel together, creating a composite material that is stronger and more resistant to cracking and deformation. Once the concrete is poured, it is left to cure and harden. This typically involves a period of several days or weeks, during which the concrete gains strength and durability. Proper curing is crucial to ensure the rebars and concrete bond together effectively and the column achieves its intended load-bearing capacity. After the concrete has fully cured, the formwork is removed, revealing the reinforced concrete column. The rebars should be fully embedded within the concrete, providing additional strength and support to withstand the applied loads. Overall, the process of reinforcing concrete columns with steel rebars requires careful planning, positioning, and securing of the rebars within the formwork, followed by the pouring, curing, and removal of the formwork. This process ensures the resulting reinforced concrete column is structurally sound and capable of withstanding the intended loads and forces.
- Q: Can steel rebars be used in sports arena construction?
- Certainly! In the construction of sports arenas, steel rebars find frequent application. Concrete structures, including sports arenas, often rely on steel rebars for reinforcement. The utilization of steel rebars imparts extra strength and stability to the concrete, enabling the structure to endure the various loads and stresses inherent in the arena's design. These loads can range from the weight of the roof, seating, and equipment. Moreover, steel rebars play a crucial role in averting cracks and enhancing the overall durability of the arena. They are commonly embedded within the concrete foundation, columns, and beams of the structure to augment its structural integrity and prolong its lifespan.
- Q: Is the shear wall concealed column stirrup steel or round steel? What are you asking for?
- Now the shear walls, columns and stirrups are basically round steel bars, and their requirements are as follows: 6.5~12 mm in diameter steel bars, most of the reel into a disk; 12~40 mm in diameter, usually 6~12 meters long straight bar. I grade steel (Q235 steel) are rolling for smooth circular section, supply form of material, diameter of not more than 12mm, the length is 6m~12m.
- Q: What is the effect of vibration on steel rebars?
- Vibration can have both positive and negative effects on steel rebars. On one hand, controlled vibration during the pouring and placement of concrete can help to remove air bubbles and ensure better bonding between the rebar and concrete, enhancing the overall structural integrity. On the other hand, excessive or prolonged vibration can lead to fatigue and weakening of the rebars, potentially compromising their strength and durability over time. Therefore, it is essential to carefully regulate and monitor vibration to maintain the optimal balance for the performance and longevity of steel rebars.
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Hot Rolled Deformed Steel Rebars for Constrution
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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