Deformed Steel Bar Astm A615 Grade 40 Grade 60 Rebar Steel Prices
- 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:
6MM--50MM
Length:
12M
Net Weight:
100TONS
Deformed Steel Bar Astm A615 Grade 40 Grade 60 Rebar Steel Prices
Products Description:
Rebar is common known as steel reinforcing bar, usually applied to reinforced concrete and reinforced masonry structures. Formed from mild steel, it is given ribs for better frictional adhesion to the concrete. In other words rebar is an iron rod, a weldable plain reinforcing steel bar, that it can be also used for steel meshes.
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:
| Packaging | A seaworthy pachaging or as per customer required |
| Shipping | 10- 30days after we receive 30% deposite |
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 bridge deck construction?
- Yes, steel rebars can be used in bridge deck construction.
- Q: What is the typical lifespan of steel rebars in a non-corrosive environment?
- The typical lifespan of steel rebars in a non-corrosive environment can vary, but they are generally expected to last for several decades or even more than a century.
- Q: Can steel rebars be used in corrosive environments?
- Steel rebars can be used in corrosive environments, but certain precautions need to be taken to ensure their longevity and structural integrity. Corrosive environments, such as those with high levels of moisture, saltwater, or chemical exposure, can accelerate the corrosion process of steel rebars, leading to potential structural damage. To mitigate this risk, various strategies can be employed. One common approach is to use corrosion-resistant reinforcing materials, such as stainless steel rebars or epoxy-coated rebars, which provide an additional layer of protection against corrosion. These materials have proven effective in resisting corrosion even in highly corrosive environments. Another approach is to utilize corrosion inhibitors, which are chemicals added to the concrete mix or applied directly to the steel surface. These inhibitors form a protective layer around the rebars, preventing corrosive agents from reaching the steel and slowing down the corrosion process. Additionally, proper concrete cover thickness should be maintained to ensure rebars are adequately protected from exposure to corrosive elements. Adequate concrete cover acts as a barrier, preventing moisture and other corrosive agents from reaching the steel. Regular inspection and maintenance are crucial to identify any signs of corrosion early on. If corrosion is detected, appropriate measures should be taken to repair or replace the affected rebars to maintain the structural integrity of the project. In summary, while steel rebars can be used in corrosive environments, it is essential to consider the specific conditions and employ the appropriate strategies to protect against corrosion. By using corrosion-resistant materials, applying inhibitors, maintaining proper concrete cover, and conducting regular inspections, the lifespan and performance of steel rebars in corrosive environments can be significantly enhanced.
- Q: What are the factors to consider when choosing the right steel rebar for a project?
- Several factors must be considered when choosing the appropriate steel rebar for a project. These factors encompass the project type, structural requirements, environment, and specific rebar characteristics. The project type is a key factor to consider, as each type has unique structural demands. Residential buildings, bridges, and highways, for example, require different strengths and capacities. The chosen steel rebar must be able to withstand the expected loads and stresses of the project. Additionally, its size and shape should match the project's design and specifications. Structural requirements are crucial in selecting the right steel rebar. This involves evaluating the required tensile strength, yield strength, and elongation properties. It is essential to choose a rebar that provides the necessary strength and durability to maintain the project's structural integrity. The project's environment also plays a significant role. If the project will be exposed to corrosive elements like saltwater or chemicals, corrosion-resistant rebar is necessary. This choice prevents premature deterioration and ensures the structure's longevity. Furthermore, specific rebar characteristics must be assessed. The grade of the steel, which determines its strength and ductility, is important. Different grades, such as ASTM A615 or ASTM A706, possess distinct properties suitable for various applications. The rebar's surface finish, whether plain or deformed, also affects its bonding ability with concrete. Availability and cost are additional factors to consider. It is vital to ensure that the selected rebar is readily available in the required quantities and sizes. Moreover, the rebar's cost should align with the project's budget constraints. In conclusion, choosing the appropriate steel rebar for a project entails considering the project type, structural requirements, environmental conditions, and specific rebar characteristics. By carefully evaluating these factors, one can select the most suitable steel rebar that guarantees the structure's durability and longevity.
- Q: Can steel rebars be used in structures with limited construction equipment?
- Indeed, structures with limited construction equipment can utilize steel rebars. These versatile elements can be effortlessly handled and installed with minimal equipment. One can easily cut them to the desired size using handheld tools like bolt cutters or torches, thereby eliminating the necessity for bulky machinery. Additionally, their lightweight nature facilitates convenient transportation and maneuvering on-site. The flexibility of steel rebars permits the application of diverse construction techniques, such as interlacing them with wire or employing wire mesh to fortify concrete. To summarize, steel rebars prove to be a practical option for structures lacking extensive construction machinery, offering both strength and durability.
- Q: What are the different types of steel rebars used in marine construction?
- In marine construction projects, various types of steel rebars are utilized to withstand the harsh conditions and corrosive environments commonly found in marine structures. 1. Stainless Steel Rebars: These rebars, containing chromium and nickel, are crafted from high-grade stainless steel. They exhibit exceptional resistance to corrosion, making them ideal for marine construction projects where exposure to saltwater and other corrosive elements is anticipated. Though more expensive, stainless steel rebars offer superior durability and longevity. 2. Epoxy-Coated Rebars: Carbon steel rebars are coated with an epoxy layer, acting as a protective barrier against corrosive elements and reducing the risk of rust and corrosion. These rebars are commonly employed in marine construction projects with high saltwater exposure. 3. Galvanized Rebars: By subjecting carbon steel rebars to a hot-dip galvanization process, a layer of zinc is applied, providing excellent corrosion resistance. Galvanized rebars are frequently used in marine construction projects susceptible to seawater or salt spray exposure. 4. Fiberglass Rebars: Composed of high-strength glass fibers embedded in a polymer matrix, fiberglass rebars offer excellent corrosion resistance unaffected by saltwater or other corrosive elements. These rebars are lightweight, non-magnetic, and possess high tensile strength, making them suitable for marine construction projects. 5. Carbon Steel Rebars: Carbon steel rebars are the most commonly used rebars in construction, including marine projects. Although not inherently corrosion-resistant, they can be treated with protective coatings, such as epoxy or galvanization, to enhance their durability and resistance to corrosive environments. It is crucial to consider the specific requirements and conditions of a marine construction project when selecting the appropriate type of steel rebars. Factors such as saltwater exposure, humidity, and anticipated lifespan of the structure should be taken into account to ensure its longevity and safety.
- Q: How are steel rebars classified based on their yield strength?
- Steel rebars can be classified based on their yield strength into different grades, such as Grade 40, Grade 60, and Grade 75. The yield strength indicates the maximum amount of stress a rebar can withstand before it starts to deform permanently. Higher grade rebars have higher yield strength, making them suitable for applications that require stronger reinforcement.
- Q: Can steel rebars be used in railway and transportation infrastructure?
- Railway and transportation infrastructure can utilize steel rebars, also known as reinforcing bars, to provide strength and support to concrete structures. These rebars are widely used in the construction industry to reinforce elements such as bridge piers, abutments, and retaining walls. The inclusion of steel rebars in railway and transportation infrastructure offers numerous benefits. Firstly, they increase the tensile strength of concrete, making structures more resistant to the dynamic and heavy loads imposed by trains and vehicles, particularly in bridges and elevated structures. Secondly, steel rebars ensure structural integrity and prevent the development of cracks and deformations in the concrete. This is vital for the long-term stability and safety of the infrastructure, considering the constant exposure to varying environmental conditions like temperature fluctuations and vibrations. Moreover, steel rebars exhibit high durability and corrosion resistance, which is crucial for railway and transportation infrastructure subjected to harsh weather conditions and chemical agents. Their ability to withstand these factors guarantees the longevity of the structures and minimizes the need for frequent repairs and maintenance. In conclusion, due to their ability to enhance the strength, durability, and stability of concrete structures, steel rebars are widely used in railway and transportation infrastructure. Their incorporation ensures the safe and reliable operation of these essential transportation systems, providing a solid foundation for the efficient movement of people and goods.
- 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.
- Q: What is the role of steel rebars in earthquake-resistant structures?
- The significance of steel rebars in earthquake-resistant structures cannot be overstated. These reinforcing bars are utilized to strengthen concrete structures, increasing their strength and stability, and consequently making them more resilient against the destructive forces of earthquakes. When an earthquake occurs, the ground violently shakes, exerting immense pressure on the structure and subjecting it to significant stress. Without proper reinforcement, the concrete alone may not be able to withstand these forces, resulting in structural failure and the potential for collapse. Typically, steel rebars are embedded within the concrete, creating a strong bond. Acting as a skeleton or framework, these rebars evenly distribute the load and stress throughout the structure. They enhance the tensile strength of concrete, which is naturally weak in tension but strong in compression. By resisting bending, shearing, and tensile forces, steel rebars help prevent cracks and limit the extent of damage caused by seismic activity. Additionally, the presence of steel rebars allows for greater ductility in the structure. Ductility refers to a material's ability to deform without breaking or fracturing. In the event of an earthquake, the steel rebars can stretch and flex, absorbing and dissipating energy, thereby reducing the impact on the concrete and minimizing structural damage. The combination of rigid concrete and flexible steel rebars creates a system capable of withstanding the lateral forces and vibrations produced during an earthquake. In summary, steel rebars are indispensable in earthquake-resistant structures as they reinforce concrete, enhance its tensile strength, improve ductility, and provide overall stability. Their inclusion in the design and construction of buildings and infrastructure is imperative to ensure the safety and resilience of these structures in seismic zones.
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Deformed Steel Bar Astm A615 Grade 40 Grade 60 Rebar Steel Prices
- 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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