HRB 400/ 500 Reinforcing Deformed Steel Round Bar with Cheap Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Galvanized
Steel Grade:
Q235
Certification:
ISO,SGS,CE
Thickness:
5.5mm-40mm
Length:
6m, 9m, 12m or as request
Net Weight:
100tons
HRB 400/ 500 Reinforcing Deformed Steel Round Bar with Cheap Price
Products Description:
1. Diameter: 5.5mm-10mm rounds reinforcing steel bar
10m- 40 rods reinforcing deformed steel bar
2. Length: 6m, 9m, 12m or customized
3. Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN. OEM technology - send detailed technical parameters for accurate quotation.
4. Produce Process: smelt iron - EAF smelt billet - ESR smelt billet - hot rolled or forged to get the steel round bar and plate
5. Heat Treatment: annealing, normalizing, tempering, quenching
6. Surface Treatment: Black
7. Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Theoretical weight and section area:
| Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
| 8 | 50.27 | 0.395 | 4.74 |
| 12 | 113.1 | 0.888 | 10.656 |
| 16 | 201.1 | 1.58 | 18.96 |
| 20 | 314.2 | 2.47 | 29.64 |
| 25 | 490.9 | 3.85 | 46.2 |
| 32 | 804.2 | 6.31 | 75.72 |
| 40 | 1257 | 9.87 | 118.44 |
| 50 | 1964 | 15.42 | 185.04 |
Technical Datas:
Grade | Technical data of the original chemical composition (%) | |||||
| C | Mn | Si | S | P | V | |
| ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
HRB400 | Physical capability | |||||
| Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | ||||
| ≥400 | ≥570 | ≥14 | ||||
Products Show:
Packages and Shipping:
FAQ:
1. Your advantages?
Professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2. Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3. Payment Terms?
30% TT as deposit and 70% before delivery. Or Irrevocable L/C at sight.
4. Trading Terms?
EXW, FOB, CIF, FFR, CNF
5. After-sale Service
We provide the services and support you need for every step of our cooperation. We're the business partner you can trust. For any problem, please kindly contact us at any your convenient time.
- Q: Can steel rebars be used in architectural applications?
- Yes, steel rebars can be used in architectural applications. They are commonly used in reinforced concrete structures to enhance the strength and durability of the building. Steel rebars provide structural support and help distribute loads, making them suitable for various architectural designs and applications.
- Q: What is the difference between three - grade steel and two - grade steel?
- Three grade thread steel HRB400, two grade thread steel HRB335, now the thread steel is inside the building must be less, then three grade screw steel and two grade thread steel is mainly used for what aspect, in order to solve this problem.
- Q: What is the impact of steel rebars on the overall maintenance of a building?
- Steel rebars have a significant impact on the overall maintenance of a building. These reinforcement bars provide structural strength and stability by enhancing the tensile strength of concrete. By preventing cracks and minimizing structural damage, steel rebars reduce the need for frequent repairs and maintenance. Additionally, their corrosion resistance properties enhance the longevity of the building, reducing maintenance costs and ensuring its structural integrity in the long run.
- Q: What is the maximum length of steel rebars that can be used in construction?
- The maximum length of steel rebars that can be used in construction varies depending on the specific project and structural requirements. However, standard lengths for steel rebars typically range from 6 meters (20 feet) to 12 meters (40 feet).
- Q: How do steel rebars affect the overall moisture resistance of a structure?
- Steel rebars can have a significant impact on the moisture resistance of a structure. When used in concrete, rebars can increase the structural integrity and strength of the construction. However, if the rebars are not properly protected or if there are any cracks or gaps in the concrete, moisture can seep through and reach the steel. This can lead to corrosion and weakening of the rebars, ultimately compromising the moisture resistance and stability of the entire structure. Therefore, proper concrete cover and additional protective measures, such as coatings or waterproofing, are crucial to ensure the rebars' longevity and maintain the structure's moisture resistance.
- Q: How do steel rebars help in load distribution within a structure?
- Steel rebars, also referred to as reinforcing bars, are essential for the distribution of loads within a structure. They are extensively utilized in concrete structures, like buildings, bridges, and highways, to enhance their strength and durability. The main objective of steel rebars is to provide tensile strength to the concrete. While concrete is highly capable of withstanding compression, it is relatively frail when it comes to tension. Any structure exposed to loads, whether from the weight of the building itself or external forces, will encounter both compression and tension forces. By incorporating steel rebars into the concrete, they act as reinforcements and resist tensile forces. When an external load is applied to the structure, the rebars bear a significant portion of the generated tension forces. This prevents the concrete from cracking or failing under the applied load. Furthermore, steel rebars aid in the distribution of the load throughout the structure. When a load is imposed on a structure, it generates stress that is spread across the various components. The presence of rebars enables a more uniform distribution of these stresses, reducing the concentration of forces in specific areas. This prevents localized failures and ensures that the load is evenly dispersed across the structure, thereby improving its overall strength and stability. Another crucial aspect of steel rebars is their capacity to bond with concrete. The rough surface of the rebars prevents them from slipping or separating from the concrete, ensuring a robust bond between the two materials. This bond further enhances the distribution of loads by enabling the rebars to effectively transfer the tensile forces to the surrounding concrete. In conclusion, steel rebars play a critical role in the distribution of loads within a structure. They furnish the necessary tensile strength to withstand tension forces, distribute the load evenly across the structure, and bond with the concrete, guaranteeing a sturdy and stable construction. Without steel rebars, concrete structures would be considerably weaker and more prone to cracking or failure under load.
- Q: What are the different grades of steel rebars used in bridge construction?
- The different grades of steel rebars used in bridge construction vary depending on the specific requirements and design specifications of the bridge. Common grades include Grade 40, Grade 60, and Grade 75. These grades indicate the minimum yield strength of the steel rebar, with higher grades offering greater strength. The choice of grade depends on factors such as the anticipated loads, span length, and structural design of the bridge.
- Q: What is the effect of steel rebars on the electrical conductivity of concrete?
- Steel rebars have a significant effect on the electrical conductivity of concrete. As steel is a highly conductive material, the presence of steel rebars in concrete increases its overall electrical conductivity. This is due to the fact that steel rebars create a network of conductive paths throughout the concrete matrix, allowing for the easy flow of electrical current. The electrical conductivity of concrete is an important factor to consider, especially in applications where electrical grounding or conductivity is necessary. Steel rebars aid in providing a low-resistance pathway for electrical current, improving the overall electrical conductivity of the concrete structure. However, it is essential to note that the presence of steel rebars can also introduce potential challenges in certain scenarios. For instance, in electrical installations where insulation is required or in areas where electrical isolation is necessary, the conductivity provided by steel rebars may not be desired. In such cases, additional measures like insulation or isolation techniques need to be employed to prevent unwanted electrical currents from flowing through the concrete. Overall, the effect of steel rebars on the electrical conductivity of concrete is dependent on the specific requirements and applications of the concrete structure. Understanding the intended use and implementing appropriate measures accordingly will ensure that the electrical conductivity of the concrete meets the desired specifications.
- Q: How do steel rebars affect the durability of a structure?
- Steel rebars have a significant impact on the durability of a structure. These reinforcements, made of high-strength steel, are embedded within concrete to enhance its tensile strength and overall structural integrity. By providing resistance against cracking and flexural stresses, steel rebars help in preventing structural failures and ensuring the long-term durability of the construction. One of the main benefits of using steel rebars is their ability to withstand tension forces. Concrete, although strong in compression, is weak when it comes to tension. When a structure is subjected to loads that cause bending or stretching, the rebars distribute these forces throughout the concrete, preventing it from cracking or breaking apart. This reinforcement improves the overall load-bearing capacity of the structure, making it more resistant to external forces such as earthquakes or heavy winds. Moreover, steel rebars also play a crucial role in preventing corrosion within the structure. Concrete is porous, and over time, moisture can penetrate it, causing the embedded reinforcement to rust. Rusting rebars expand, leading to cracks and weakening the structure. However, using corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, significantly reduces the risk of corrosion, thus enhancing the durability of the structure. In addition to their mechanical properties, steel rebars also contribute to the durability of a structure in terms of construction speed and long-term maintenance. Compared to other traditional reinforcement materials, rebars are relatively easy to install, reducing construction time and costs. Furthermore, their long lifespan and low maintenance requirements ensure the longevity and durability of the structure over time. In conclusion, steel rebars are essential for ensuring the durability of a structure. Their ability to resist tension forces, prevent cracking, and mitigate the risk of corrosion significantly enhances the structural integrity and longevity of the construction. Incorporating steel rebars into the design and construction process is crucial to creating sturdy, safe, and long-lasting structures.
- Q: Are there any environmental concerns related to the production of steel rebars?
- Yes, there are several environmental concerns related to the production of steel rebars. One major concern is the high carbon emissions associated with the steel production process, which contributes to climate change. Additionally, the extraction and processing of raw materials for steel rebars, such as iron ore and coal, can lead to deforestation, habitat destruction, and air and water pollution. Proper waste management and recycling of steel scrap are also important considerations to minimize the environmental impact of steel rebar production.
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HRB 400/ 500 Reinforcing Deformed Steel Round Bar with Cheap Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 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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