Concrete Reinforcing Steel Bar from 8mm to 40mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 1500 m.t./month
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Concrete Reinforcing Steel Bar from 8mm to 40mm
Main Structure of Concrete Reinforcing Steel Bar
Standard: AISI, ASTM, BS, DIN, GB
Grade: HRB400
Diameter: 6mm-10mm
Length: 1.6-1.9ton/coil
Application: for construction
rebar coil size: 6mm-10mm
steel grade: hrb400 , hrb500, gr.60 , hrb335,q235 q255 q275
Description for Concrete Reinforcing Steel Bar
Type | Coiled reinforced bar/rebar coil |
Steel Grade | hrb500, gr.60 ,q235 ,q255,q275 |
Size | 6mm-10mm |
Unit weight | 1.6-1.9tons/coil |
Application | Building/project construction |
Packing | In coil with steel strip ,in bulk . |
Datas for Concrete Reinforcing Steel Bar
HRB400 | Chemical Composition(%) | C | Mn | Si | P | S |
0.25max | 1.60max | 0.80max | 0.045max | 0.045max | ||
Mechanical Property | Yield Strength | Tensile Strenth | Elongation | |||
400Mpa min | 540Mpa min | 16% | ||||
HRB500 | Chemical Composition(%)
| C | Mn | Si | P | S |
0.25max | 1.60max | 0.80max | 0.045max | 0.045max | ||
Mechanical Property | Yield Strength | Tensile Strength | Elongation | |||
500Mpa min | 630Mpa min | 15% | ||||
HRB335 | Chemical Composition (%) | C | Mn | Si | P | S |
0.25max | 1.60max | 0.80max | 0.045max | 0.040max | ||
Mechanical Property | Yield Strength | Tensile strength | Elongation | |||
335Mpa min | 455Mpa min | 17% | ||||
FAQ
Q: Why should you choose us:
A: 1. More than 10 years experience in this industry
2. 100,000 tons exporting per month
3. Professional foreign trade tea
4. OEM&ODM capacity
5. High quality assured & competitive price
6. Try our best to meet your needs & save your budget
7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.
8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.
12px; font-style: inherit; font-variant: inherit; font-weight: 400; line-height: inherit; float: none; word-wrap: break-word; color: rgb(0, 0, 0); border: 1px solid rgb(204, 204, 204);"> Elongation 335Mpa min 455Mpa min 17%
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- Q: How do steel rebars contribute to the seismic performance of a structure?
- Steel rebars contribute to the seismic performance of a structure by enhancing its strength and ductility. When embedded in concrete, rebars act as reinforcement, providing tensile strength to resist the forces generated during an earthquake. This reinforcement helps prevent cracking and failure in the concrete, allowing the structure to better absorb and dissipate seismic energy. Additionally, the flexibility and high yield strength of steel rebars enable them to deform and absorb seismic forces, reducing the likelihood of structural collapse during an earthquake.
- Q: What is the weight of steel rebars per meter or foot?
- The weight of steel rebars per meter or foot varies depending on the size and type of rebar being used. Standard steel rebars are typically available in various diameters, ranging from 6mm to 50mm. The weight per meter or foot can be calculated by multiplying the cross-sectional area of the rebar (in square meters or square feet) by the density of steel, which is approximately 7850 kilograms per cubic meter or 0.2836 pounds per cubic inch. To provide a specific example, let's consider a standard 10mm diameter rebar. The cross-sectional area can be calculated using the formula for the area of a circle (πr²), where r is the radius of the rebar (5mm in this case). Assuming a meter as the unit of measurement, the cross-sectional area would be π(0.01m)² = 0.000314 square meters. Multiplying this by the density of steel, we get 0.000314m² * 7850kg/m³ = 2.464 kilograms per meter. Similarly, if we were to calculate the weight in pounds per foot, we would convert the density of steel to pounds per cubic foot (approximately 490 pounds per cubic foot) and multiply the cross-sectional area by this value. It is important to note that weights may vary slightly depending on the specific grade of steel being used, so it is advisable to consult the manufacturer's specifications or a reliable reference for accurate weight calculations.
- Q: How do steel rebars affect the thermal conductivity of a structure?
- Steel rebars can significantly affect the thermal conductivity of a structure. The thermal conductivity of steel is much higher than that of other construction materials such as concrete. When steel rebars are embedded within concrete structures, they create a path for heat to flow more easily through the structure. This increased thermal conductivity can have both positive and negative effects. On the positive side, the presence of steel rebars allows for efficient transfer of heat, which can be beneficial in certain applications. For example, in structures that require heating or cooling, such as buildings with HVAC systems, the steel rebars can assist in distributing the desired temperature more evenly throughout the structure. However, the increased thermal conductivity can also have negative consequences. In buildings where thermal insulation is crucial, such as those in extreme climates, the presence of steel rebars can lead to higher heat loss or gain. This can result in increased energy consumption and higher heating or cooling costs. To mitigate these negative effects, various insulation techniques can be applied to reduce the heat transfer through the steel rebars. One common practice is to add insulation layers around the rebars or to use materials with lower thermal conductivity for the concrete mix. These measures help to minimize the impact of the steel rebars on the overall thermal conductivity of the structure. In summary, steel rebars have a significant influence on the thermal conductivity of a structure. While they can enhance heat distribution in some cases, they can also contribute to increased energy consumption and heat loss. Proper insulation techniques should be implemented to minimize these negative effects and optimize the thermal performance of the structure.
- Q: What is the effect of exposure to saltwater on steel rebars?
- Exposure to saltwater can have a detrimental effect on steel rebars, leading to corrosion and eventually weakening their structural integrity. Saltwater contains chloride ions that can penetrate the protective oxide layer on the surface of the steel, initiating a corrosion process. Over time, this corrosion can cause the rebars to rust, expand, and crack, compromising the strength and durability of the reinforced concrete structure they are embedded in. Therefore, it is essential to take preventive measures such as using corrosion-resistant coatings or stainless steel rebars to mitigate the negative effects of saltwater exposure.
- Q: How are steel rebars used in the construction of chemical processing plants?
- To reinforce and strengthen chemical processing plants, steel rebars are commonly employed. These rebars, also known as reinforcing bars, are typically crafted from carbon steel and are utilized to fortify various concrete structures like foundations, walls, columns, and beams. Considering the handling of hazardous and corrosive substances in chemical processing plants, the infrastructure is subjected to significant stress. Therefore, the utilization of steel rebars is of utmost importance as it safeguards the integrity of the structures and mitigates the risk of collapse or failure. When constructing chemical processing plants, it is customary to embed steel rebars within the concrete to create a reinforced concrete structure. This amalgamation of concrete and steel rebars forms a composite material that possesses augmented tensile strength, enabling it to endure the heavy loads, vibrations, and extreme temperature fluctuations frequently encountered in chemical plants. Furthermore, the deployment of steel rebars aids in averting cracks and structural deformations caused by shrinkage, settling, or external forces. This is particularly critical in chemical processing plants, where maintaining a secure and stable environment is imperative for employee safety and the plant's operational integrity. Moreover, steel rebars exhibit exceptional resistance to corrosion, a crucial attribute in chemical processing plants where exposure to corrosive chemicals and high humidity levels is prevalent. By serving as a protective barrier for the underlying concrete, steel rebars effectively prevent deterioration induced by corrosion, thereby prolonging the lifespan of the structures and reducing maintenance expenses. Overall, the presence of steel rebars assumes a vital role in the construction of chemical processing plants as they ensure structural stability, durability, and corrosion resistance, all of which are essential for the safe and efficient functioning of these facilities.
- Q: What is the role of steel rebars in multi-story building construction?
- The role of steel rebars in multi-story building construction is to provide reinforcement and strength to concrete structures. Rebars are embedded within the concrete to absorb tensile forces and prevent cracking or structural failure. They enhance the structural integrity and durability of the building, enabling it to withstand various external and internal forces such as earthquakes, wind loads, and heavy loads.
- Q: Can steel rebars be used in other applications besides construction?
- Yes, steel rebars can be used in other applications besides construction. They are commonly utilized in various industries such as automotive, manufacturing, and infrastructure projects, where their high strength and durability make them suitable for reinforcement purposes. Additionally, steel rebars can also be employed in sculptures, art installations, and DIY projects due to their malleability and versatility.
- Q: Can steel rebars be used in pre-stressed concrete elements?
- Yes, steel rebars can be used in pre-stressed concrete elements. Rebars are often used to provide additional reinforcement and strength to pre-stressed concrete structures, helping to counteract the tensile forces that may be induced during the pre-stressing process.
- Q: Can steel rebars be used in structures subjected to chemical exposure?
- Steel rebars can be used in structures subjected to chemical exposure, but their suitability depends on the specific type and concentration of chemicals involved. In general, stainless steel rebars or epoxy-coated rebars are preferred for such applications as they provide better resistance to corrosion and chemical attack compared to plain carbon steel rebars. However, it is important to conduct a thorough evaluation of the chemical environment and consult with experts to determine the most appropriate rebar material for the specific structure and its intended use.
- Q: Can steel rebars be used in road and bridge barriers?
- Yes, steel rebars can be used in road and bridge barriers. Steel rebars provide strength and durability, making them suitable for reinforcing barriers and ensuring their ability to withstand impact forces.
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Concrete Reinforcing Steel Bar from 8mm to 40mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 1500 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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