Deformed Steel Bars All Size Steel Rebars Made In China
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 24000 m.t./month
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Product Description:
OKorder is offering Deformed Steel Bars All Size Steel Rebars Made In China 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:
Deformed Steel Bars All Size Steel Rebars Made In China 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 Deformed Steel Bars All Size Steel Rebars Made In China 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:
1.commodity:deformed steel bars
2.grade:ASTM A615 HRB335 HRB400 HRB500 BS4449 grade460
3.size:6#-32#
4.length:6m 9m 12m
Chemistry % | |||||||||||||
Designation | Chief component | Impurities maxmium | |||||||||||
Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
Ta1 | Remainder | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.03 | 0.015 | 0.004 | 0.0015 | 0.002 | |
Ta2 | Remainder | 0.01 | 0.01 | 0.005 | 0.02 | 0.02 | 0.005 | 0.08 | 0.02 | 0.01 | 0.0015 | 0.01 | |
Permissible variations in diameter for rods
Diameter, inch (mm) | Tolerance, +/-inch (mm) |
0.125~0.187 excl (3.175~4.750) | 0.003 (0.076) |
0.187~0.375 excl (4.750~9.525) | 0.004 (0.102) |
0.375~0.500 excl (9.525~12.70) | 0.005 (0.127) |
0.500~0.625 excl (12.70~15.88) | 0.007 (0.178) |
0.625~0.750 excl (15.88~19.05) | 0.008 (0.203) |
0.750~1.000 excl (19.05~25.40) | 0.010 (0.254) |
1.000~1.500 excl (25.40~38.10) | 0.015 (0.381) |
1.500~2.000 excl (38.10~50.80) | 0.020 (0.508) |
2.000~2.500 excl (50.80~63.50) | 0.030 (0.762) |
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.
- Q: What are steel rebars?
- Steel rebars, also known as reinforcement bars, are long, cylindrical steel rods that are commonly used in construction to provide strength and stability to concrete structures. These rebars are embedded within the concrete and act as a tensioning device, reinforcing the material and preventing it from cracking or collapsing under pressure. They are essential in enhancing the structural integrity and durability of buildings, bridges, and other concrete-based infrastructure projects.
- Q: What are the common types of steel rebars used in bridge construction?
- In bridge construction, steel rebars are widely used, and various types are commonly employed. These types include: 1. Carbon Steel Rebars: These rebars, made of carbon steel, are the most frequently utilized in bridge construction due to their exceptional strength and durability. They are renowned for their impressive tensile strength and ability to withstand heavy loads. 2. Stainless Steel Rebars: Corrosion-resistant and possessing a high resistance to environmental factors like moisture and chemicals, stainless steel rebars are commonly used in bridge construction projects located in coastal areas or environments with high pollution levels. 3. Epoxy-Coated Rebars: By applying a layer of epoxy to carbon steel rebars, corrosion protection is provided. Epoxy-coated rebars find common usage in bridges exposed to harsh environmental conditions, such as those situated in coastal areas or subjected to de-icing salts. 4. Galvanized Rebars: Carbon steel rebars coated with a layer of zinc are known as galvanized rebars. This coating offers excellent corrosion resistance, making galvanized rebars suitable for bridge construction projects located in corrosive environments. 5. Fiberglass Rebars: Fiberglass rebars consist of glass fibers embedded in a polymer resin matrix. These rebars are lightweight, corrosion-resistant, and possess a high strength-to-weight ratio. Fiberglass rebars are often employed in bridge construction projects where reducing weight is a crucial consideration. Each type of rebar has its own advantages and is selected based on the specific requirements of the bridge construction project. Factors such as environmental conditions, load-bearing capabilities, and durability requirements play a significant role in the selection process.
- Q: How are steel rebars used in reinforced concrete structures?
- Steel rebars are used in reinforced concrete structures to provide additional strength and resistance to tension forces. They are embedded within the concrete, creating a composite material that can withstand greater loads and prevent cracks from forming. The rebars act as a reinforcement, helping to distribute the applied loads evenly throughout the structure and enhancing its durability and structural integrity.
- Q: Are steel rebars fire resistant?
- Yes, steel rebars are fire resistant.
- Q: What is the minimum ductility requirement for steel rebars?
- The minimum ductility requirement for steel rebars is typically specified as a minimum elongation or reduction in area value, which is commonly set at 14% or 35%, respectively.
- Q: Can steel rebars be used in marine construction?
- Yes, steel rebars can be used in marine construction. They are commonly used as reinforcement in concrete structures to provide strength and durability. However, it is important to use corrosion-resistant steel rebars, such as stainless steel or epoxy-coated rebars, to prevent corrosion due to exposure to saltwater.
- Q: What is the difference between three - grade steel and other grades?
- Three rebar is the new standard name for HRB400 steel, three steel for the old, as a kind of hot rolled ribbed bar. In construction, three - grade rebar is called the past.
- Q: What is the lifespan of steel rebars in concrete structures?
- The lifespan of steel rebars in concrete structures can vary depending on several factors. Generally, steel rebars are designed to provide durability and strength to concrete structures. With proper design, construction, and maintenance, steel rebars can last for several decades or even up to a century in concrete structures. One crucial factor influencing the lifespan of steel rebars is the quality of materials used. High-quality rebars manufactured with corrosion-resistant coatings or stainless steel tend to have a longer lifespan compared to regular carbon steel rebars. Additionally, the quality of concrete used and its ability to protect the rebars from moisture and corrosive agents is also important. Environmental conditions play a significant role in determining the lifespan of steel rebars. Exposure to harsh climates, such as areas with high humidity, saltwater, or acidic environments, can accelerate corrosion and reduce the lifespan of the rebars. Adequate protective measures, such as proper concrete cover thickness, waterproofing, and the use of corrosion inhibitors, can help extend the lifespan of steel rebars in such conditions. Maintenance and inspection are essential to ensure the longevity of steel rebars in concrete structures. Regular inspections for signs of corrosion, cracking, or damage should be conducted, and any necessary repairs or protective measures should be undertaken promptly. In some cases, periodic coating or rebar replacement may be required to maintain the structural integrity of the concrete elements. In summary, the lifespan of steel rebars in concrete structures can range from several decades to over a century, depending on various factors such as material quality, environmental conditions, and proper maintenance. By employing appropriate design, construction, and maintenance practices, the lifespan of steel rebars can be significantly extended, ensuring the long-term integrity and durability of the concrete structure.
- Q: What are the guidelines for inspecting steel rebars on a construction site?
- Inspecting steel rebars on a construction site requires adherence to specific guidelines to ensure the structural integrity and compliance with safety standards. Here are some essential guidelines for inspecting steel rebars: 1. Visual Inspection: Begin by visually assessing the entire rebar installation, checking for any signs of damage, rust, or corrosion. Look for proper alignment, spacing, and placement of rebars as per the construction drawings. 2. Rebar Size and Type: Verify that the rebars used match the specifications outlined in the construction plans. Inspect the size, grade, and type of steel rebars to ensure they meet the required standards and are suitable for the intended load-bearing capacity. 3. Placement and Spacing: Ensure that rebars are properly spaced and positioned according to the design drawings. Check for proper lap length (the overlapping of rebars) to ensure structural stability and load distribution. 4. Clear Cover: Inspect the clear cover, which is the distance between the outer surface of the rebar and the surface of the concrete. Verify that the clear cover meets the specified requirements, as it is crucial for corrosion protection and structural durability. 5. Vertical Alignment: Check the vertical alignment or plumbness of the rebars. They should be straight and in line with the required position, avoiding excessive bending or curving. 6. Rebar Connections: Inspect the connections between rebars, such as lap splices or mechanical couplers. Verify that the connections are properly made and comply with approved construction standards. 7. Welding: If welding is used to join rebars, ensure that it is performed by certified welders and meets the required specifications. Inspect the quality of welding joints, including the penetration depth and the absence of defects or cracks. 8. Protective Coating: Verify the presence and condition of any protective coating applied to the rebar, such as epoxy coatings or galvanization, to prevent corrosion and increase longevity. 9. Documentation: Maintain detailed records of the inspection process, including photographs, measurements, and any deviations or corrective actions taken. These records will serve as essential documentation for quality control and future reference. 10. Compliance with Codes and Standards: Ensure that the inspection adheres to relevant local building codes, industry standards, and project specifications. Familiarize yourself with the applicable regulations to ensure compliance throughout the inspection process. By following these guidelines, construction site inspectors can help ensure the quality, safety, and longevity of steel rebars, ultimately contributing to the overall success of the construction project.
- Q: How do steel rebars contribute to the overall resistance against natural disasters?
- Steel rebars contribute to the overall resistance against natural disasters by reinforcing structures such as buildings, bridges, and dams. They enhance the strength and stability of these structures, making them more resistant to earthquakes, hurricanes, and other natural calamities. Steel rebars increase the structural integrity, prevent collapse, and distribute the force of the disaster, reducing the extent of damage and protecting lives and property.
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Deformed Steel Bars All Size Steel Rebars Made In China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 24000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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