Twelve mm Cold Rolled Steel Rebars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specifications of Twelve mm Cold Rolled Steel Rebars with High Quality:
Name | Cold Rolled Steel Rebar | |
Diameter | 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, | |
Length | 6M, 9M, 12M or as required | |
Price | Keep lower operating costs so as to offer competitive price for our clients | |
Label | to be specified by customer, generally, each bundle has 1-2 labels | |
Application | Building, construction | |
Invoicing | Actual or Theoretical Weight Basis as buyer’s request. | |
Theoretical weight and section area of each diameter of Twelve mm Cold Rolled Steel Rebars with High Quality as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
12 | 113.04 | 0.888 | 10.656 | 93.84 |
Packaging & Delivery of Twelve mm Cold Rolled Steel Rebars with High Quality:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment terms: TT payment in advance or Irrevocable LC at sight.
Trade terms :FOB, CFR, CIF
Delivery Detail: within 45 days after received advanced payment or LC.
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 arrange production. The shipping date is dependent upon the quatity, how many sizes you want and the plan of production, but is typically 1 month to 2 month days from the beginning of production.
Images of Twelve mm Cold Rolled Steel Rebars with High Quality:
- Q: How do steel rebars affect the overall constructability of a project?
- Steel rebars play a crucial role in enhancing the overall constructability of a project. They provide structural strength and stability to concrete structures, improving their durability and load-bearing capacity. By reinforcing concrete, rebars help prevent cracking, enhance resistance to tension forces, and increase the project's lifespan. Additionally, rebars enable the construction of complex shapes and designs, allowing for more versatile and innovative architectural designs. Overall, steel rebars significantly contribute to the construction process by ensuring the integrity and longevity of the project.
- Q: What is the role of steel rebars in column and beam construction?
- Steel rebars play a crucial role in column and beam construction as they provide reinforcement, strength, and stability to the structure. In reinforced concrete construction, columns and beams are typically made of concrete, which is strong in compression but relatively weak in tension. This is where steel rebars come in. Rebars, also known as reinforcing bars, are long steel rods that are strategically placed within the concrete to counteract its weakness in tension. They are typically made of high-strength steel and are designed to withstand the tensile forces that occur in a structure. By adding rebars to the concrete, the resulting composite material can resist both compression and tension, making it much stronger and more durable. In column construction, steel rebars are placed vertically and tied together in a grid-like pattern. This reinforcement helps the column support the weight of the structure and resist vertical loads, such as the weight of the floors or roof above. The rebars also help to prevent the column from buckling or collapsing under these loads. Similarly, in beam construction, steel rebars are placed horizontally within the concrete beam. These rebars help the beam to resist bending and shear forces, which are common in structural elements that span across openings or support loads from above. By providing reinforcement, the rebars ensure that the beam remains stable and can safely bear the imposed loads. Overall, the role of steel rebars in column and beam construction is to enhance the strength, stability, and load-bearing capacity of the structure. They effectively improve the structural integrity of the concrete elements, allowing them to withstand the various forces and loads they will be exposed to throughout their lifespan. Without the presence of rebars, columns and beams would be much weaker and more susceptible to failure, compromising the safety and longevity of the overall structure.
- Q: What is the maximum tensile force of 25 thread steel?
- The maximum tensile force is the first to know that the thread steel belongs to several grades of steel; the tensile strength is x, and the cross sectional area is the maximum tensile force.Tensile strength of thread steel of 25 diameter = tensile strength of the grade steel, x, sectional area =41000, Newton, ~61000, Newton=4100kgf~6100kgf.
- Q: How do steel rebars contribute to the overall stiffness of a structure?
- Steel rebars contribute to the overall stiffness of a structure by providing reinforcement and enhancing its load-bearing capacity. When embedded within concrete, steel rebars form a composite material known as reinforced concrete, which combines the compressive strength of concrete with the tensile strength of steel. The primary function of steel rebars is to resist tensile forces that can cause concrete to crack or fail. Concrete has excellent compressive strength but is weak in tension. By adding steel rebars, the overall stiffness of the structure is increased, as the rebars take up the tensile stresses and prevent the concrete from failing under tension. The rebars are strategically placed within the concrete to resist anticipated forces and distribute them evenly across the structure. As external loads are applied to the structure, such as the weight of the building or environmental forces like wind or earthquakes, the rebars counteract the tension caused by these loads. This reinforcement ensures that the structure remains intact and stable, preventing any major deformations or collapse. Moreover, steel rebars also contribute to the ductility of the structure. Ductility refers to the ability of a material to undergo deformation without fracturing. Steel has high ductility, and when incorporated into reinforced concrete, it allows the structure to withstand some level of flexure and movement without compromising its overall strength and stability. This improved ductility enhances the structural resilience, making the building more resistant to extreme external forces. In summary, steel rebars play a crucial role in contributing to the overall stiffness of a structure by reinforcing the concrete and providing tensile strength. They prevent cracking and failure under tension, distribute forces evenly, and increase the structural resilience and ductility. By combining the compressive strength of concrete with the tensile strength of steel, steel rebars ensure that the structure can withstand various loads and maintain its stability and integrity over time.
- Q: JL32 is the finish thread heavy bar 32? What's the difference between normal and ordinary? What does the front JL32 mean?
- Finishing rolling rebar strength than ordinary ribbed steel bars to be high, with spiral thread, tension nut after solid increase concrete prestressed (equivalent prestressed steel wire, steel wire type).
- Q: What are the different types of steel rebars used in tunnel construction?
- There are several types of steel rebars used in tunnel construction, each with its own specific properties and advantages. 1. Carbon Steel Rebars: These are the most commonly used type of rebars in tunnel construction. Carbon steel rebars are known for their strength and durability, making them suitable for heavy-duty applications. They are also cost-effective, making them a popular choice for many tunnel projects. 2. Stainless Steel Rebars: Stainless steel rebars are corrosion-resistant, making them ideal for tunnels that are exposed to high levels of moisture, chemicals, or saltwater. They have a longer lifespan compared to carbon steel rebars, reducing maintenance and replacement costs. 3. Epoxy-Coated Rebars: Epoxy-coated rebars are carbon steel rebars that are coated with an epoxy layer. This coating provides additional protection against corrosion, making them suitable for tunnels in harsh environments or with high chloride content in the soil or water. 4. Galvanized Rebars: Galvanized rebars are carbon steel rebars that have been coated with zinc to protect against corrosion. They are commonly used in tunnels where moisture and exposure to water are significant concerns. Galvanized rebars offer good durability and are relatively cost-effective. 5. Fiber-Reinforced Polymer (FRP) Rebars: FRP rebars are made of composite materials, typically a combination of fiberglass and resin. They are lightweight, corrosion-resistant, and have a high strength-to-weight ratio. FRP rebars are often used in tunnels where minimizing weight is crucial, such as in soft ground conditions or where there are limitations on the load-bearing capacity of the tunnel structure. It is important to note that the choice of steel rebars for tunnel construction depends on various factors, including the project requirements, environmental conditions, and budget constraints. Consulting with structural engineers and experts is essential to select the most suitable type of steel rebars for a specific tunnel project.
- Q: How are steel rebars protected against corrosion in aggressive environments?
- Steel rebars are protected against corrosion in aggressive environments through various methods. One common method is the use of protective coatings. These coatings can be applied to the surface of rebars to create a barrier between the steel and the corrosive elements in the environment. Examples of protective coatings include epoxy, zinc, and polyethylene coatings. In addition to coatings, steel rebars can also be protected through cathodic protection. This method involves connecting the rebar to a sacrificial anode, usually made of a more reactive metal such as zinc or magnesium. The anode corrodes instead of the rebar, effectively sacrificing itself to protect the steel from corrosion. Another method of protection is the use of corrosion inhibitors. These inhibitors can be added to the concrete mix or applied directly to the rebars. They work by reducing the corrosive potential of the environment or by forming a protective film on the surface of the rebar, preventing corrosion from occurring. Furthermore, proper design and construction practices can also contribute to the protection of steel rebars against corrosion. Adequate concrete cover can help create a physical barrier between the rebar and the aggressive environment, reducing the exposure of the steel to corrosive elements. Good drainage systems and the use of non-corrosive aggregates can also help minimize the exposure of rebars to moisture and other corrosive substances. Overall, a combination of protective coatings, cathodic protection, corrosion inhibitors, and proper design and construction practices are employed to ensure the protection of steel rebars against corrosion in aggressive environments. These measures help extend the lifespan of structures and maintain their structural integrity.
- Q: Are there any specific codes and standards for steel rebars?
- Yes, there are specific codes and standards for steel rebars. The most widely used international standard for steel rebars is the ASTM A615/A615M Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement. Additionally, different countries may have their own national standards and codes for steel rebars, such as the British Standard BS 4449:2005 for steel rebars in the United Kingdom. These codes and standards ensure the quality, strength, and performance of steel rebars in construction and reinforce the safety of reinforced concrete structures.
- Q: Can steel rebars be used in underwater structures?
- Yes, steel rebars can be used in underwater structures. Steel rebars are commonly used in construction projects to reinforce concrete structures and provide additional strength and stability. When it comes to underwater structures, such as bridges, dams, and offshore platforms, the use of steel rebars is crucial due to their excellent strength and durability. However, the use of steel rebars in underwater structures requires additional considerations. One of the main concerns is corrosion, as exposure to water and salt can accelerate the corrosion process. To mitigate this issue, corrosion-resistant steel rebars, such as stainless steel or epoxy-coated rebars, are used. These rebars have protective layers that prevent direct contact between the steel and water, minimizing the risk of corrosion. Furthermore, proper design and construction techniques are essential when using steel rebars in underwater structures. Adequate concrete cover and proper spacing between rebars are crucial to ensure sufficient protection against corrosion and maintain the structural integrity of the underwater structure. Additionally, regular inspection and maintenance are necessary to identify and address any signs of corrosion or deterioration in the rebars. In conclusion, steel rebars can be used in underwater structures, but it requires careful consideration of corrosion protection measures and adherence to proper design and construction practices. With the right precautions in place, steel rebars can provide the necessary strength and durability for underwater structures.
- 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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Twelve mm Cold Rolled Steel Rebars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 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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