Hot Rolled Steel Rebars for Concrete Reinforcing
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
OKorder is offering Hot Rolled Steel Rebars for Concrete Reinforcing 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:
Hot Rolled Steel Rebars for Concrete Reinforcing are ideal for structural applications and are 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..
Product Advantages:
OKorder's Hot Rolled Steel Rebars for Concrete Reinforcing 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:
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 | ||
Invoicing | Actual or Theoretical Weight Basis as buyer’s request. | ||
Type | Hot rolled steel rebar | ||
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 |
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 many tons of steel products could be loaded in containers?
A2: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
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: How are steel rebars protected against corrosion in aggressive environments?
- Steel rebars are protected against corrosion in aggressive environments by using various methods such as epoxy coatings, zinc coatings, and cathodic protection. These measures create a barrier between the rebar and the corrosive elements, preventing the steel from coming into direct contact with moisture and oxygen. Additionally, proper concrete cover and pH control in the surrounding environment can also contribute to the protection of steel rebars against corrosion.
- Q: Can steel rebars be used in structures with high carbonation levels in concrete?
- Using steel rebars in structures with high carbonation levels in concrete is not advisable. Carbonation is a chemical reaction that occurs when carbon dioxide reacts with the alkaline components present in concrete. This reaction leads to a decrease in the alkalinity of the concrete, which can result in the dissolution of the protective layer surrounding the steel rebars. Consequently, the steel becomes exposed to corrosion, ultimately weakening the structure over time. To minimize the risk of corrosion, it is recommended to employ alternative materials such as stainless steel rebars in structures with high carbonation levels. Stainless steel rebars exhibit superior resistance to corrosion compared to carbon steel rebars, enabling them to withstand the harsh environment created by elevated carbonation levels in concrete. Furthermore, it is advisable to consider additional corrosion protection measures, including epoxy coating or increased concrete cover thickness, to further enhance the structure's durability and longevity.
- Q: How do steel rebars contribute to the overall aesthetics of a building?
- Steel rebars do not directly contribute to the overall aesthetics of a building as they are typically hidden within the concrete structure. However, their presence is crucial for providing structural integrity and strength, ensuring the building's safety and durability.
- Q: How do steel rebars contribute to the fire resistance of concrete?
- Concrete's fire resistance is enhanced by steel rebars in several ways. Firstly, steel rebars possess a non-combustible nature and a high melting point, ensuring they do not burn or add fuel to fires. This characteristic aids in preventing the spread of fire and maintaining the concrete's structural stability during fire incidents. Additionally, steel rebars act as reinforcement within the concrete, boosting its overall strength and load-bearing capacity. This reinforcement effectively prevents cracking or fragmentation of the concrete under high temperatures caused by fire. The presence of steel rebars also enhances the concrete's ductility, enabling it to deform and absorb energy during fires, rather than abruptly shattering or collapsing. Moreover, steel's thermal conductivity surpasses that of concrete, enabling it to effectively conduct heat away from the fire zone. This assists in dissipating heat and preventing it from reaching critical levels that could compromise the concrete's structural integrity. By absorbing and distributing heat, steel rebars contribute to slowing down the temperature rise within the concrete during fires. In conclusion, steel rebars contribute to concrete's fire resistance by providing structural stability, improving strength and load-bearing capacity, enhancing ductility, and dissipating heat. These attributes make concrete structures reinforced with steel rebars more resilient, enabling them to withstand fires for extended periods. As a result, the safety of occupants is increased, and potential property damage is reduced.
- Q: How are steel rebars tested for quality and compliance with standards?
- Steel rebars are tested for quality and compliance with standards through various methods. These include visual inspection, dimensional checks, and mechanical tests such as tensile strength, elongation, and bend tests. Additionally, chemical composition analysis is conducted to ensure the rebars meet the required standards. These tests help ensure that the steel rebars are of high quality and comply with the specified standards for construction purposes.
- Q: How are steel rebars bent or shaped to fit specific construction requirements?
- Steel rebars are bent or shaped to fit specific construction requirements using various methods such as manual bending, mechanical bending machines, or hydraulic bending machines. These techniques involve applying force to the rebar, which causes it to bend or take on a desired shape. The specific method used depends on the complexity of the required shape and the quantity of rebars needed.
- Q: Can steel rebars be used in corrosive chemical environments?
- When steel rebars are used in corrosive chemical environments, their performance and durability may be compromised. Certain chemicals, especially acidic ones or those containing chlorides, can cause corrosion in steel. This corrosion can lead to structural damage and a decrease in load-bearing capacity. To reduce the risk of corrosion, there are several measures that can be taken. One common approach is to apply a protective coating, such as epoxy or zinc, onto the rebars. This creates a barrier between the steel and the corrosive environment. Another option is to use stainless steel rebars or other corrosion-resistant alloys, which offer better resistance against chemical corrosion. To determine the best course of action, it is essential to consider the specific chemicals present in the environment. Consulting with corrosion engineers and experts is recommended. Regular maintenance and inspections are also necessary to promptly identify any signs of corrosion and take corrective action. This ensures the reinforced concrete structures remain structurally sound and safe.
- Q: Can steel rebars be used in tunnel construction projects?
- Yes, steel rebars can be used in tunnel construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including tunnels. They provide the necessary strength and durability to withstand the loads and stresses that tunnels are subjected to. The rebars are typically placed within the concrete lining of the tunnel to enhance its structural integrity and prevent cracking or collapse. In addition, steel rebars can be easily shaped and bent to match the specific design requirements of the tunnel, making them a versatile and practical choice for tunnel construction projects.
- Q: How to calculate the theory of steel thread?
- Thread: a spirally curved, continuous raised part with a specified cross section on the surface of a cylinder or cone. According to its parent thread shape is divided into cylindrical and conical screw threads; according to their position in the matrix is divided into outer and inner thread, according to the section shape (teeth) divided into triangular thread, rectangular screw, trapezoidal thread, serrated thread and other special shape screw.
- Q: What is the effect of steel rebars on the seismic performance of a structure?
- Steel rebars, also known as reinforcing bars, play a crucial role in enhancing the seismic performance of structures. When subjected to seismic forces, structures experience intense shaking and vibrations. The presence of steel rebars significantly improves the overall strength and ductility of a structure, helping it to withstand and absorb the energy generated during an earthquake. One of the primary effects of steel rebars is their ability to increase the tensile strength of concrete. Concrete is strong in compression but weak in tension. By embedding steel rebars within the concrete, the composite material becomes capable of resisting tensile forces that may arise during an earthquake. This prevents the concrete from cracking or breaking apart, ensuring the structure remains intact and functional. Moreover, steel rebars act as a reinforcement mechanism by distributing the seismic load across the entire structure. During an earthquake, the shaking motion is dispersed throughout the building, reducing the concentration of stress on specific areas. This redistribution of forces helps to maintain the overall stability of the structure, preventing localized failure and collapse. Additionally, the presence of steel rebars enhances the ductility of the structure. Ductility refers to the ability of a material to deform under stress without fracturing. When seismic forces act on a building, the steel rebars provide flexibility and allow for controlled deformation. This plastic behavior helps to dissipate the energy generated during an earthquake, effectively reducing the impact on the structure and minimizing potential damage. Furthermore, steel rebars also contribute to the overall stiffness of the structure. By reinforcing concrete elements such as columns, beams, and walls, the rigidity of the entire system is increased. This stiffness helps to limit the displacement and deformation of the structure, mitigating the risk of structural failure and ensuring the safety of occupants during a seismic event. In summary, the presence of steel rebars in a structure significantly improves its seismic performance. They enhance the tensile strength of concrete, distribute seismic load, improve ductility, and increase overall stiffness. These effects collectively enhance the structure's ability to resist and withstand the forces generated during an earthquake, ensuring its integrity and the safety of its occupants.
Send your message to us
Hot Rolled Steel Rebars for Concrete Reinforcing
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
