Steel Rebar, Deformed Steel Bar,Iron Rods For Construction/Concrete/Building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
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deformed steel bar grade 40
material: HRB400, BS4449 GR460B
size: 8-36mmx12m.
short delivery time by bulk or container
deformed steel bar grade 40
material: HRB400, BS4449 GR460B
size: 8-36mmx12m.
short delivery time with bulk or container
packing: Mill standard export packing in bundles/coil, around 2tons/bundle.
country of Origin: China
delivery Time: Within a 35 days
Shipment: by bulk vessel or by container
Leading goods:
section steel:angles,channels,I-beam,H-beam;
coils:cold/hot rolled coils,PPGI,galvanized coils,plate,checkered plate,cutting steel plate,steel strip;
wire rod:steel wire,deformed wire,bar;
pipe:seamless pipe,rectangular pipe,welded pipe,spiral welded pipe,pipe fittings;
stainless steel:steel sheets,stainless steel strips,stainless bar,stainless tube;
special:weathering steel,shipbuilding steel;
construction steel:C-channel,Z-channel,T-bar,high-speed divider plate,corrugated steel plate,steel grating.
Advantage:
We are the spot supplier, Six huge warehouses which can hold 20,000 MT goods.It makes the cost lower than others,we can provide the competitive price for you.
Delivery time:
Normal sizes can be provided in 7days, the others should be ready in 30---45 days.
Further treatment:
We can offer cutting,painting,drilling holes,bending,threading, welding,galvanization,packing etc.
Security interest:
We have already passed the ISO9001, BV and SGS authentication which makes the quality secured.
If you have the interest in any of the products we can provided, pls don't hesitate to connect with me. Looking forward to cooperate with you.
FAQ of Steel Deformed Bar
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.
- Q: Are steel rebars suitable for use in high-temperature applications?
- Steel rebars are generally not suitable for use in high-temperature applications. Although steel is a strong and durable material, it has limitations when exposed to high temperatures. At elevated temperatures, steel can undergo significant reduction in strength and may even experience a loss of structural integrity, leading to potential failures. When steel is exposed to high temperatures, it undergoes a process called thermal expansion, which can cause it to weaken and deform. This phenomenon is particularly prominent in rebars, which are often used as reinforcements in concrete structures. The high temperatures can cause the rebars to expand and exert excessive pressure on the surrounding concrete, leading to cracks and potentially compromising the structure's stability. Additionally, prolonged exposure to high temperatures can result in a loss of the steel's mechanical properties, including tensile strength and load-bearing capacity. This can significantly reduce the rebars' ability to resist external forces and effectively reinforce the concrete. Therefore, it is generally recommended to use alternative materials, such as stainless steel or special alloys, for high-temperature applications. These materials are specifically designed to withstand elevated temperatures without losing their structural integrity. It is important to consult with experts and engineers familiar with high-temperature applications to determine the most suitable materials for specific projects to ensure safety and structural stability.
- Q: Are there any specific guidelines for handling and storing steel rebars?
- Yes, there are specific guidelines for handling and storing steel rebars to ensure their quality and safety. Some of the key guidelines include: 1. Proper handling: Steel rebars should be handled with care to avoid any damage or bending. They should be lifted using appropriate equipment and not dragged or thrown. 2. Storage conditions: Rebars should be stored in a clean, dry, and well-ventilated area to prevent rusting and corrosion. They should be kept off the ground and away from moisture, chemicals, and direct sunlight. 3. Stacking: Rebars should be stacked in a way that ensures stability and prevents any deformation. They should be placed on flat surfaces and stacked in layers with wooden or rubber separators to avoid direct contact between rebars. 4. Labelling: Each bundle of rebars should be properly labeled with relevant information such as size, grade, and quantity for easy identification and inventory management. 5. Inspection: Regular inspections should be conducted to check for any signs of damage, rust, or corrosion. Damaged or corroded rebars should be discarded or repaired before use. Adhering to these guidelines is crucial to maintain the quality and integrity of steel rebars, ensuring their suitability for construction purposes.
- Q: How do steel rebars affect the overall thermal stability of a structure?
- Steel rebars can significantly improve the overall thermal stability of a structure. Due to their high thermal conductivity, steel rebars help in dissipating heat more efficiently and evenly throughout the structure. This prevents the formation of localized hot spots and reduces the risk of thermal expansion, which can cause structural deformations and cracks. Additionally, steel rebars enhance the structural integrity of a building during fire incidents by providing necessary reinforcement and preventing sudden collapses.
- Q: What is the process of straightening steel rebars?
- The process of straightening steel rebars involves using specialized machinery or tools to remove any bends or deformations in the rebars. This typically includes clamping the rebars in a straightening machine or using hydraulic forces to gently bend them back into their original shape. The rebars are carefully aligned and straightened to meet the required specifications, ensuring their structural integrity and effectiveness in construction projects.
- Q: How do steel rebars contribute to the overall seismic resistance of a structure?
- Steel rebars contribute to the overall seismic resistance of a structure by providing reinforcement and strength to the concrete elements. The rebars help to distribute and dissipate the energy generated during an earthquake, which helps in reducing the potential damage and ensuring structural integrity. By increasing the ductility and flexural capacity of the structure, steel rebars help to absorb and withstand the seismic forces, making the building more resistant to collapse or significant structural damage.
- Q: How do steel rebars affect the durability of concrete?
- Steel rebars play a crucial role in enhancing the durability of concrete structures. They are typically embedded within the concrete to provide reinforcement and improve the overall strength and longevity of the structure. Firstly, steel rebars enhance the tensile strength of the concrete. While concrete has excellent compressive strength, it is weak in tension. When exposed to external forces or loads, concrete tends to crack and fail under tension. However, the inclusion of steel rebars helps to distribute the applied load throughout the structure, effectively resisting cracking and preventing the propagation of cracks. This reinforcement allows the concrete to withstand greater tensile forces, thus enhancing its durability. Additionally, steel rebars help to control the shrinkage and cracking of concrete. During the curing process, concrete undergoes shrinkage due to the evaporation of water. This shrinkage can lead to the formation of cracks, which can compromise the integrity of the structure. By incorporating steel rebars, the concrete is reinforced and the shrinkage is restrained, minimizing the occurrence and propagation of cracks. This, in turn, ensures the durability of the concrete by maintaining its structural integrity. Moreover, steel rebars are highly resistant to corrosion. Concrete is generally alkaline, which creates a protective layer on the surface of the steel rebars, preventing them from rusting or corroding. This resistance to corrosion is vital in maintaining the durability of concrete structures, especially in environments where they are exposed to moisture, chemicals, or other corrosive agents. The presence of steel rebars ensures that the concrete remains structurally sound and prevents any potential weakening or deterioration due to corrosion. In conclusion, steel rebars significantly enhance the durability of concrete structures. They improve the tensile strength, control shrinkage and cracking, and provide resistance to corrosion. By reinforcing the concrete, steel rebars ensure that the structure can withstand external forces, maintain its structural integrity, and have a longer lifespan.
- Q: What are the recommended practices for welding steel rebars?
- When it comes to welding steel rebars, there are some recommended practices that ensure a strong and reliable bond. These practices include: 1. Cleanliness: Before welding, it is crucial to ensure that the rebar surfaces are clean and free from any contaminants such as dirt, rust, or grease. A thorough cleaning can be achieved through wire brushing or sandblasting. 2. Preheat: Preheating the steel rebars before welding can help reduce the risk of cracking and improve the quality of the weld. The preheating temperature will depend on the rebar's thickness and the specific welding procedure being used. 3. Welding process: There are various welding processes suitable for steel rebars, with the most commonly used being shielded metal arc welding (SMAW) and gas metal arc welding (GMAW). The choice of process will depend on factors such as the rebar size, project requirements, and local regulations. 4. Electrodes and filler material: Selecting the appropriate electrodes and filler material is crucial for achieving a strong and durable weld. It is recommended to use electrodes and filler materials that match the rebar's carbon content and strength. 5. Welding technique: Employing proper welding techniques, such as maintaining a consistent arc length, controlling the travel speed, and ensuring proper joint alignment, will help produce high-quality welds. 6. Post-weld treatment: After welding, it is essential to allow the welded rebars to cool gradually to avoid thermal stress. It is also recommended to perform post-weld treatments, such as stress relieving, to minimize residual stresses and improve the weld's integrity. 7. Inspection and testing: Conducting regular visual inspections and non-destructive testing, such as ultrasonic or magnetic particle testing, can help ensure the quality and integrity of the welded rebar joints. 8. Compliance with codes and standards: Always adhere to the relevant welding codes and standards specified by local authorities or project requirements. Compliance ensures that the welding process and quality meet the necessary specifications and safety guidelines. It is important to note that welding steel rebars should be performed by trained and qualified personnel who are well-versed in welding techniques and safety practices. Following these recommended practices will help ensure the strength, durability, and safety of steel rebar welds.
- Q: Can steel rebars be used in tunnel construction projects?
- Yes, steel rebars can be used in tunnel construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including tunnels. They provide the necessary strength and durability to withstand the loads and stresses that tunnels are subjected to. The rebars are typically placed within the concrete lining of the tunnel to enhance its structural integrity and prevent cracking or collapse. In addition, steel rebars can be easily shaped and bent to match the specific design requirements of the tunnel, making them a versatile and practical choice for tunnel construction projects.
- Q: Can steel rebars be used in the construction of sound barriers and noise walls?
- Yes, steel rebars can be used in the construction of sound barriers and noise walls. Steel rebars provide structural reinforcement and stability to the concrete panels used in these barriers, ensuring their durability and ability to withstand environmental forces. Additionally, steel rebars can help reduce vibrations and enhance the overall acoustic performance of the sound barriers and noise walls.
- Q: What are the different types of steel rebars used in marine construction?
- The different types of steel rebars used in marine construction include epoxy-coated rebars, stainless steel rebars, and galvanized rebars. Epoxy-coated rebars are commonly used in marine environments due to their corrosion resistance properties. Stainless steel rebars are also used for their excellent corrosion resistance and strength. Galvanized rebars, which are coated with a layer of zinc, are another option for marine construction as they provide good protection against corrosion.
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Steel Rebar, Deformed Steel Bar,Iron Rods For Construction/Concrete/Building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 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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