Hot Rolled Steel Rebar ASTM Standard
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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OKorder is offering Hot Rolled Steel Rebar ASTM Standard 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 Rebar ASTM Standard 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 Rebar ASTM Standard 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 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 are the different types of steel used in the production of rebars?
- The production of rebars involves the use of different types of steel. The selection of steel depends on factors like desired strength, corrosion resistance, and cost. 1. The most commonly used steel in rebars is mild steel. It has a low carbon content and is relatively affordable. Mild steel rebars are suitable for general construction purposes that do not require high strength. 2. High Strength Deformed Bars (HSD) are made from carbon steel with higher yield and tensile strength than mild steel. They are commonly used in reinforced concrete structures like bridges and high-rise buildings that require higher load-bearing capacity. 3. Carbon steel rebars are made by alloying steel with carbon, which enhances their strength and durability. They are often used in construction projects that require resistance to extreme temperatures and high tensile strength. 4. Stainless steel rebars have a high chromium content, providing excellent corrosion resistance. They are commonly used in coastal areas or structures exposed to high humidity to prevent rusting and maintain structural integrity. 5. Epoxy-coated rebars have a protective coating of epoxy resin, which adds an extra layer of corrosion resistance. They are suitable for structures exposed to harsh environmental conditions or chemicals. 6. Galvanized rebars are coated with zinc for superior corrosion protection. They are commonly used in high humidity areas where corrosion is a significant concern. 7. Alloy steel rebars are made by adding elements like manganese, nickel, or chromium to enhance their mechanical properties. They offer increased strength, improved ductility, and resistance to fatigue, making them suitable for specialized applications like seismic zones or heavy construction. Selecting the appropriate type of steel rebar is crucial for ensuring the durability, safety, and longevity of the structure in a construction project.
- Q:How do steel rebars affect the acoustic properties of a structure?
- Steel rebars can have a significant impact on the acoustic properties of a structure. Due to their high density and rigidity, steel rebars can act as conductors of sound and vibrations. This means that when sound waves or vibrations encounter steel rebars, they can easily be transmitted through them, resulting in increased noise levels and reduced acoustic insulation. In terms of airborne sound transmission, steel rebars can create a direct pathway for sound waves to travel through a structure. This can lead to the amplification of sound, especially in areas where rebars are in direct contact with walls or floors. As a result, the overall acoustic quality of the structure may be compromised, causing increased noise levels and decreased speech intelligibility. Steel rebars can also affect the structure's ability to block impact or structure-borne noise. When vibrations are generated, for example, from footsteps or machinery, the rigid steel rebars can efficiently transmit these vibrations throughout the structure. This can result in the amplification and propagation of structure-borne noise, making it more perceptible in different areas of the building. To mitigate the negative effects of steel rebars on the acoustic properties of a structure, various techniques can be employed. One common method is to use acoustically decoupled materials or resilient mounts to isolate the rebars from the surrounding structure, reducing the transmission of vibrations. Additionally, incorporating sound-absorbing materials, such as acoustic panels or insulation, can help to absorb and dampen sound waves, improving the overall acoustic performance of the space. Overall, steel rebars can have a significant impact on the acoustic properties of a structure. Their high density and rigidity make them efficient conductors of sound and vibrations, potentially leading to increased noise levels and reduced acoustic insulation. Therefore, careful consideration of acoustic design and appropriate use of soundproofing measures are essential in minimizing the adverse effects of steel rebars on the acoustic quality of a building.
- Q:Can steel rebars be used in aggressive chemical environments?
- Steel rebars can be used in aggressive chemical environments to some extent. However, their performance may be compromised depending on the severity and nature of the chemicals present. Steel rebars are generally resistant to mild to moderate chemical exposures, such as those found in most construction applications. However, in highly aggressive chemical environments, where exposure to corrosive substances like acids, alkalis, or salts is prolonged and intense, steel rebars may corrode and deteriorate over time. In such cases, alternative materials like stainless steel rebars or epoxy-coated rebars may be more suitable, as they provide enhanced resistance to corrosion in aggressive chemical environments. It is important to consider the specific conditions of the chemical environment and consult with experts or structural engineers to determine the most appropriate rebar material for the given situation. Regular inspections and maintenance should also be conducted to monitor the condition of steel rebars and ensure their longevity in aggressive chemical environments.
- Q:What are the guidelines for the proper spacing of steel rebars in columns?
- Various national and international codes and standards, such as the American Concrete Institute (ACI) and the British Standards Institution (BSI), provide guidelines for the proper spacing of steel rebars in columns. These guidelines are crucial in ensuring the durability and structural integrity of reinforced concrete columns. The spacing of steel rebars in columns is primarily influenced by the following factors: 1. Concrete cover: Codes specify a minimum concrete cover to protect the steel reinforcement from corrosion and provide fire resistance. The spacing between rebars should maintain a uniform concrete cover around each rebar. 2. Rebar diameter: The size or diameter of rebars affects their spacing. Codes mandate a minimum clear spacing between adjacent rebars based on their diameter to prevent congestion and ensure proper concrete placement. 3. Column dimension: The size and shape of the column play a significant role in determining rebar spacing. Larger columns may require more rebars compared to smaller ones to provide sufficient reinforcement and resist applied loads. 4. Load and design requirements: Design loads, including dead loads, live loads, and seismic loads, impact rebar spacing. Codes provide guidelines on the minimum amount of reinforcement required based on column dimensions and anticipated loads. 5. Structural detailing: Proper detailing is crucial to ensure rebars are adequately anchored and lapped, developing the required bond strength. Codes provide guidelines for lapping lengths, anchorage lengths, and splices to ensure force transfer between rebars and concrete. Consulting the specific code or standard applicable in your region is crucial to determine the exact guidelines for rebar spacing in columns. It is also recommended to involve a qualified structural engineer or designer to perform detailed analysis and design of reinforced concrete columns, ensuring compliance with the appropriate guidelines and achieving a safe and efficient structural system.
- Q:Can steel rebars be used in port infrastructure construction?
- Steel rebars are an indispensable element of port infrastructure construction. They are widely utilized in the construction sector, particularly in port infrastructure projects. These rebars play a crucial role in providing strength and reinforcement to concrete structures, thus making them highly suitable for the creation of durable and resilient port facilities. By reinforcing concrete slabs, beams, and columns, they ensure that these structures can withstand the immense loads and continuous exposure to water and other environmental factors present in port areas. Moreover, steel rebars exhibit exceptional tensile strength, making them well-equipped to handle the dynamic forces encountered in port infrastructure, such as wharves, piers, and docks. All in all, steel rebars are an integral and essential component in the construction of robust and long-lasting port facilities.
- Q:Can steel rebars be used in precast or prestressed concrete?
- Yes, steel rebars can be used in precast or prestressed concrete. Steel rebars, also known as reinforcing bars, are commonly used in precast and prestressed concrete structures to provide additional strength and durability. The rebars are typically placed within the concrete matrix to withstand tensile forces that may be encountered during the service life of the structure. The use of steel rebars helps to enhance the structural integrity and load-bearing capacity of the precast or prestressed concrete components, making them capable of withstanding higher loads and minimizing the risk of failure. Additionally, steel rebars also facilitate the transfer of stresses between different parts of the precast or prestressed concrete elements, ensuring a more uniform distribution of forces and enhancing the overall performance of the structure. Therefore, steel rebars are commonly used in precast and prestressed concrete construction to improve the structural characteristics and longevity of the finished product.
- Q:10 less than three rebar refers to the rebar?
- A grade steel is round, without ribs, elongation is the advantage, of course, it also determines its strength is lower than grade three steel.
- Q:Are there any specific guidelines for handling and storing steel rebars?
- To ensure the quality and prevent any damage or accidents, specific guidelines exist for handling and storing steel rebars. Some of these guidelines include the following: 1. Use appropriate lifting equipment, such as cranes or forklifts, to handle the rebars and prevent strain or damage. Lift the rebars from the center to maintain balance and stability. 2. Before storing or using steel rebars, inspect them for defects like bends, cracks, or rust. Discard or repair any damaged or defective rebars before use. 3. Store steel rebars in a dry and well-ventilated area to prevent moisture accumulation and corrosion. Keep them off the ground on a flat surface, such as wooden pallets or racks, to avoid contact with soil or water. Take care when stacking rebars to prevent deformation or distortion. 4. Store different sizes and types of rebars separately to avoid mixing or confusion during use. Label or color-code the rebars for easy identification and retrieval. 5. Protect steel rebars from extreme temperatures, sunlight, and chemicals. Cover them with plastic sheets or tarpaulins to prevent moisture, dust, and debris from settling. 6. Securely tie or bundle steel rebars using appropriate strapping or wire during transportation. Avoid any impact or vibration that could cause damage. 7. Provide training on proper handling and storage techniques for steel rebars. Ensure personnel are aware of the hazards associated with improper handling and equipped with personal protective equipment (PPE) like gloves, safety boots, and helmets. By following these guidelines, you can ensure the quality and longevity of steel rebars, reduce the risk of accidents, and maintain a safe working environment.
- Q:How do steel rebars prevent concrete structures from cracking under load?
- Steel rebars, also known as reinforcing bars, are crucial elements in concrete structures due to their vital role in crack prevention under heavy loads. Rebars contribute to the structural integrity and durability of concrete in several ways: 1. Reinforcement: Acting as tension members, steel rebars add strength to the concrete. Although concrete is strong in compression, it is relatively weak in tension. When a load is applied, rebars absorb the tensile forces and distribute them throughout the structure, reducing the risk of cracking. 2. Load transfer: By embedding rebars within the concrete, they facilitate the transfer of loads from one section to another. This mechanism ensures even distribution of stresses, preventing concentrated stress points that could lead to cracks. 3. Bonding: The texture and ridges on the rebar enhance its bond with the concrete. This bond is critical as it allows the effective transfer of stress between the concrete and the steel. The interlocking action between the two materials ensures their collaboration, enhancing the overall strength and load-bearing capacity of the structure. 4. Control of expansion and contraction: Concrete structures experience temperature variations that cause expansion or contraction. Steel rebars help control these movements by providing stability and limiting the extent of cracking. They absorb and accommodate the expansion and contraction, minimizing the risk of extensive cracking and maintaining the structural integrity. 5. Flexibility: Steel rebars possess a high degree of flexibility, enabling them to absorb dynamic loads and stresses. This flexibility ensures that the rebars can withstand external forces without fracturing or damaging the concrete. By absorbing and distributing these loads, rebars prevent cracks from forming and spreading throughout the structure. In conclusion, steel rebars prevent cracking in concrete structures by reinforcing the concrete, transferring loads, enhancing bonding, controlling expansion and contraction, and providing flexibility to absorb dynamic forces. Their presence significantly improves the strength, durability, and resistance to cracking of concrete structures under various loading conditions.
- Q:How do steel rebars prevent corrosion in concrete structures?
- Steel rebars prevent corrosion in concrete structures through a process called passivation. When rebars are embedded in concrete, the alkaline environment of the concrete causes the formation of a protective oxide layer on the surface of the steel. This oxide layer acts as a barrier, preventing the penetration of oxygen and moisture that are necessary for corrosion to occur. Additionally, rebars are often coated with epoxy or galvanized to provide an extra layer of protection against corrosion.
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Hot Rolled Steel Rebar ASTM Standard
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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