GB STANDARD HIGH QUALITY HOT ROLLED STEEL REINFORCEMENT BAR
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description
Appearance: Black
Technique: Slitting hot rolled steel coil
Grade: Q235, Q195,A36 SS400 S235jr.St37-2
Standard: AISI,GB,DIN,ASTM,EN,JIS
Length: 6m, 9m, 12m or as your requirement.
Width: 10mm-1010mm
Thickness: 1.5mm-20mm
Place of origin: Tianjin China (Mainland)
Packaging Details: In bundles for exporting and sea worthy
Delivery Detail: Within 15-35 days after receiving L/C or deposite T/T
General specification as below:
Flat Bar Specification | |||
Width (mm) | Thickness (mm) | Length (m) | Theoretical Weight (kg/m) |
20 | 2.0 | 6/9/12 | 0.31 |
20 | 2.5 | 6/9/12 | 0.39 |
20 | 2.75 | 6/9/12 | 0.43 |
25 | 2.5 | 6/9/12 | 0.49 |
25 | 3.75 | 6/9/12 | 0.74 |
30 | 2.5 | 6/9/12 | 0.59 |
30 | 3.5 | 6/9/12 | 0.82 |
30 | 9.75 | 6/9/12 | 2.30 |
40 | 3.5 | 6/9/12 | 1.10 |
40 | 4.75 | 6/9/12 | 1.50 |
40 | 11.75 | 6/9/12 | 3.69 |
50 | 2.75 | 6/9/12 | 1.08 |
50 | 4.5 | 6/9/12 | 1.77 |
50 | 9.75 | 6/9/12 | 3.83 |
60 | 5.5 | 6/9/12 | 2.60 |
60 | 7.5 | 6/9/12 | 3.53 |
60 | 11.5 | 6/9/12 | 5.42 |
80 | 5.5 | 6/9/12 | 3.45 |
80 | 7.5 | 6/9/12 | 4.71 |
80 | 11.75 | 6/9/12 | 7.38 |
100 | 3.25 | 6/9/12 | 2.55 |
100 | 4.75 | 6/9/12 | 3.73 |
100 | 7.5 | 6/9/12 | 5.89 |
120 | 9.75 | 6/9/12 | 9.18 |
120 | 11.75 | 6/9/12 | 11.07 |
150 | 9.75 | 6/9/12 | 11.48 |
150 | 11.5 | 6/9/12 | 13.54 |
150 | 13.5 | 6/9/12 | 15.90 |
160 | 11.75 | 6/9/12 | 14.76 |
200 | 9.5 | 6/9/12 | 14.92 |
250 | 5.75 | 6/9/12 | 11.28 |
340 | 7.75 | 6/9/12 | 20.68 |
Products Advantages
1. high quality competitive price and Accurate in size
2. high dimensional accuracy
3. Guaranteed raw material
4.high utilization rate of material
5.convenient in construction, saving much time and labor
6. high mechanical strength
Application: Widely used for construction, Ship building, Machinery manufacturing ,steel structure,agriculture and steel grating.
- Q: What are the factors that can affect the lifespan of steel rebars in concrete structures?
- There are several factors that can affect the lifespan of steel rebars in concrete structures. Firstly, the quality and composition of the concrete used in the structure play a significant role. If the concrete is of poor quality or contains harmful chemicals, it can cause corrosion of the steel rebars, leading to a shorter lifespan. Adequate measures should be taken during the construction process to ensure the concrete mixture is properly proportioned and cured. Secondly, the exposure conditions that the concrete structure is subjected to can greatly impact the lifespan of steel rebars. Factors such as humidity, temperature variations, and the presence of aggressive substances like chloride ions or carbon dioxide can accelerate the corrosion process. Structures located in coastal areas or industrial environments are particularly vulnerable due to the high salt content in the air or the presence of pollutants. Thirdly, the design and construction practices employed have a significant impact on the longevity of steel rebars. Proper cover thickness, which refers to the distance between the surface of the rebar and the outer face of the concrete, is crucial. Inadequate cover thickness can lead to insufficient protection against corrosion. Additionally, the design should incorporate effective drainage systems to prevent the accumulation of water around the rebars, as stagnant moisture can accelerate corrosion. Furthermore, maintenance practices also play a role in the longevity of steel rebars. Regular inspections, cleaning, and repairs can help identify and address any issues before they become severe. Applying protective coatings or using corrosion inhibitors can also extend the lifespan of the rebars. Lastly, the type and quality of the steel rebars themselves are important factors. Rebars with higher levels of carbon and alloying elements are generally more resistant to corrosion. Additionally, the quality of the manufacturing process and the presence of any impurities can affect the rebars' durability. In conclusion, the lifespan of steel rebars in concrete structures can be influenced by various factors including the quality of the concrete, exposure conditions, design and construction practices, maintenance, and the quality of the rebars themselves. Proper attention to these factors can help ensure the longevity and structural integrity of concrete structures.
- Q: What is the impact of steel rebars on the overall energy efficiency of a building?
- The impact of steel rebars on the overall energy efficiency of a building is relatively minimal. While steel rebars are commonly used in construction to reinforce concrete structures, they do not directly affect the energy efficiency of a building. Energy efficiency factors such as insulation, windows, HVAC systems, and renewable energy sources play a more significant role in reducing energy consumption. However, the selection of an appropriate steel rebar type and size can contribute to the structural integrity of the building, ensuring its durability and longevity, which indirectly contributes to sustainability and resource conservation.
- Q: How do steel rebars affect the overall weight of a concrete structure?
- Steel rebars typically increase the overall weight of a concrete structure. This is because steel rebars add additional mass to the concrete, making it heavier. However, the weight increase is generally proportionate to the added strength and durability that the rebars provide, making them essential for reinforcing the structure and improving its structural integrity.
- Q: Are steel rebars prone to bending or warping?
- Steel rebars are not generally prone to bending or warping under normal conditions. Steel rebars are designed to have high tensile strength and are commonly used in construction projects to reinforce concrete structures. They are made from strong and durable materials such as carbon steel, which provides them with the ability to withstand heavy loads and resist deformation. However, it is important to note that external factors such as excessive heat or improper handling during transportation and storage can potentially cause rebars to bend or warp. Exposing steel rebars to high temperatures can cause them to lose their structural integrity and become more susceptible to bending or warping. Similarly, mishandling or poor storage practices, such as stacking them unevenly or placing heavy objects on top of them, can lead to deformation. To ensure the structural integrity of steel rebars, it is crucial to follow proper handling and storage guidelines, as well as ensure that they are used within the specified load limits. Additionally, it is essential to consider the environmental conditions in which the rebars will be utilized to minimize the risk of bending or warping.
- Q: Can steel rebars be used in structures with high seismic activity?
- Yes, steel rebars can be used in structures with high seismic activity. Steel rebars have high tensile strength and provide reinforcement to concrete structures, making them more resistant to seismic forces. They help to improve the overall structural integrity and ensure that the building can withstand the shaking and ground movements caused by earthquakes.
- Q: How are steel rebars stored and transported on-site?
- Steel rebars are typically stored on-site in bundles or stacks, either horizontally or vertically, with adequate spacing between each bundle to ensure stability and easy access. To transport them, rebars are usually loaded onto trucks using cranes or forklifts, secured with straps or chains to prevent movement or falling during transportation. It is important to handle and store rebars properly to prevent damage or accidents and ensure their quality and structural integrity.
- Q: What is the effect of exposure to chemicals on the durability of steel rebars?
- Exposure to chemicals can have a detrimental effect on the durability of steel rebars. Chemicals, such as acids or salts, can lead to corrosion and the formation of rust on the surface of rebars. This corrosion weakens the structure and compromises its integrity, reducing the lifespan and load-bearing capacity of the rebars. Regular inspection, maintenance, and protective coatings are crucial to mitigate the negative impact of chemical exposure and ensure the long-term durability of steel rebars.
- Q: Can steel rebars be used in industrial plant construction?
- Yes, steel rebars can be used in industrial plant construction. Rebars are commonly used to reinforce concrete structures, including those found in industrial plants, due to their high tensile strength and ability to withstand heavy loads and stresses. They provide structural integrity and durability to the construction, making them an essential component in industrial plant projects.
- Q: What are the different types of steel rebars used in underground structures?
- There are several types of steel rebars commonly used in underground structures, including epoxy-coated rebars, stainless steel rebars, galvanized rebars, and carbon steel rebars. Each type has its own unique properties and advantages, depending on the specific requirements of the project. Epoxy-coated rebars provide corrosion resistance, stainless steel rebars offer enhanced strength and durability, galvanized rebars have excellent resistance to rust, and carbon steel rebars are cost-effective and widely used in various construction projects.
- Q: What are the factors to consider while designing with steel rebars?
- Designing with steel rebars requires careful consideration of several factors to ensure the structural integrity and performance of a construction project. These factors include load capacity, structural requirements, durability, construction methodology, building codes, and cost-effectiveness. Firstly, the anticipated load capacity of the structure must be taken into account. The size, spacing, and placement of rebars should be determined based on the expected loads that the structure will bear. Secondly, different structural elements have specific design requirements. The design of rebars should be tailored to meet the unique load distribution patterns of beams, columns, slabs, and foundations. Thirdly, the durability of steel rebars is crucial, as they are exposed to various environmental conditions. Protective measures, such as using epoxy-coated rebars or providing sufficient concrete cover, should be considered to prevent corrosion. Additionally, the construction methodology used for the project can influence the design of rebars. Factors such as formwork, construction joints, and accessibility during the placement of rebars need to be taken into account. Moreover, compliance with building codes and regulations is essential for safety and legality. Designers must adhere to specific requirements outlined in the codes, including minimum rebar sizes, spacing, and cover requirements. Lastly, cost-effectiveness should be considered without compromising the safety and performance of the structure. Optimizing the placement and arrangement of rebars can help minimize material and labor costs. In conclusion, by carefully evaluating these factors, designers can create robust, safe, and long-lasting structures when working with steel rebars.
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GB STANDARD HIGH QUALITY HOT ROLLED STEEL REINFORCEMENT BAR
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 100000 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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