Hot Rolled Steel Deformed Bar D-BAR HRB400 HRB500 SD400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 30000 m.t./month
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Specification
Product Description:
OKorder is offering Hot Rolled Steel Deformed Bar D-BAR High Qulity HRB400 HRB500 SD400 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Steel Deformed Bar D-BAR High Qulity HRB400 HRB500 SD400 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Hot Rolled Steel Deformed Bar D-BAR High Qulity HRB400 HRB500 SD400 are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Standard | GB | HRB500 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Payment term | TT or L/C | ||
Application | mainly used in construction industry to reinforce concrete structures and so on | ||
Quality | First quality, the goods are from Chinese big manufacturers. | ||
Type | Hot rolled deformed steel bar | ||
Brand name | DRAGON | ||
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
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 begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q5: Can stainless steel rust?
A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
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- Q: What is the role of steel rebars in maintaining structural integrity?
- Steel rebars play a crucial role in maintaining structural integrity by reinforcing and strengthening concrete structures. They provide tensile strength to resist cracking, bending, and shearing forces, enhancing the overall stability and durability of buildings, bridges, and other infrastructure.
- Q: How are steel rebars protected during transportation and storage?
- Steel rebars are typically protected during transportation and storage by being coated with a layer of rust-resistant material, such as epoxy or zinc. This coating acts as a barrier against moisture and other corrosive elements, ensuring the rebars remain in good condition until they are ready for use. Additionally, rebars are often stacked and strapped together to prevent any movement or damage during transportation.
- Q: How are steel rebars stored and handled on construction sites?
- Steel rebars are typically stored in designated areas on construction sites to ensure easy access and organization. They are often stacked horizontally and secured with supports to prevent them from rolling or falling. When handling rebars, workers wear appropriate protective gear and use equipment such as cranes or forklifts to lift and move them safely. Additionally, rebars are carefully inspected for any defects or damages before being used in construction projects.
- Q: Can steel rebars be used in shopping mall construction?
- Yes, steel rebars can be used in shopping mall construction. Steel rebars are commonly used as reinforcement in concrete structures, providing strength and stability to the building. They are extensively utilized in various construction projects, including shopping malls, to ensure the structural integrity and safety of the building.
- Q: How are steel rebars spliced or connected in construction joints?
- Various methods are used to splice or connect steel rebars in construction joints, ensuring the integrity and strength of reinforced concrete. A common method is lap splicing, where rebars are overlapped and then mechanically connected or tied together with steel wires or couplers. The required overlap length for lap splicing depends on the rebar diameter and design specifications, often specified as a multiple of the diameter. This length guarantees efficient load transfer and prevents potential failures at the connection point. Mechanical couplers offer an alternative method for splicing rebars. These pre-fabricated devices securely connect two rebars, eliminating the need for lap splicing and providing a more precise and reliable connection. Mechanical couplers are particularly useful when dealing with larger rebar sizes or when long lap lengths are not feasible. In certain cases, welded splicing may be used. This method involves welding the ends of rebars together, creating a solid and continuous connection. Welded splicing is commonly employed when dealing with larger diameter rebars and higher load requirements. However, it is crucial to adhere to proper welding techniques and practices to maintain the connection's integrity. Overall, the splicing or connection of steel rebars in construction joints is a crucial aspect of reinforced concrete construction. It ensures that rebars function as continuous reinforcement, enabling structures to effectively resist applied loads. The choice of splicing method depends on factors such as rebar size, design specifications, and project requirements.
- Q: Do steel rebars have any specific markings or codes?
- Yes, steel rebars have specific markings and codes that indicate their properties and characteristics. These markings or codes are typically engraved or painted on the surface of the rebar and provide information about the manufacturer, grade, size, and type of the rebar. They are essential for identifying and ensuring the correct usage of rebars in construction projects.
- Q: How do steel rebars affect the durability of concrete structures?
- The durability of concrete structures is significantly improved by the use of steel rebars. By reinforcing the concrete, rebars effectively boost its tensile strength, which is otherwise lower compared to its compressive strength. This is crucial because concrete is excellent at resisting compressive forces, but it is weak when it comes to tension or bending forces. When external forces like vibrations, wind, or earthquakes act upon concrete structures, the rebars absorb the tension and bending forces, preventing the concrete from cracking or collapsing. This ensures that the structure remains intact and stable. Without steel rebars, concrete structures would be more susceptible to damage and failure under such circumstances. In addition to that, the presence of steel rebars also enhances the durability of concrete structures by preventing corrosion. When embedded in concrete, rebars act as a protective barrier against moisture and oxygen, which are the primary causes of steel corrosion. By blocking the penetration of these harmful elements, rebars significantly extend the lifespan of the concrete structure. Moreover, steel rebars provide dimensional stability to concrete structures. As concrete tends to shrink and expand due to temperature changes and moisture variations, the presence of rebars counters these movements. This prevents the formation of cracks and ensures the structural integrity of the concrete. To sum it up, steel rebars play a vital role in greatly enhancing the durability of concrete structures. They increase the tensile strength, prevent cracking and collapse, protect against corrosion, and provide dimensional stability. Their presence is essential for constructing long-lasting and reliable concrete structures that can withstand various external forces and environmental conditions.
- Q: How do steel rebars affect the fire resistance of a structure?
- The fire resistance of a structure can be affected both positively and negatively by steel rebars. On the positive side, steel rebars provide added strength and stability, enhancing the fire resistance. Having steel rebars in concrete structures can prevent collapse during a fire, giving occupants more time to evacuate and allowing emergency responders to control the situation. However, there are also drawbacks to steel rebars when it comes to fire resistance. Steel is a highly conductive material, meaning it transfers heat quickly. During a fire, the steel rebars can heat up and transfer the heat to the surrounding concrete, potentially weakening its structural integrity. This weakens the fire resistance of the structure. To counteract the negative effects of steel rebars on fire resistance, certain measures can be taken. One common approach is to apply fire-resistant coatings or wraps to the steel rebars. These coatings or wraps act as a barrier, slowing down the heat transfer from the steel to the concrete and enhancing fire resistance. Additionally, the size, spacing, and arrangement of steel rebars also play a role in fire resistance. Proper design and placement of rebars ensure that heat is distributed evenly, reducing the risk of localized weakening and structural failure. In conclusion, steel rebars have a significant impact on the fire resistance of a structure. While they improve overall strength and stability, they can also contribute to heat transfer and potential weakening. By implementing appropriate measures such as fire-resistant coatings and proper design, the negative effects of steel rebars on fire resistance can be minimized, ensuring the safety and integrity of the structure during a fire.
- Q: Can steel rebars be used in both residential and commercial construction?
- Yes, steel rebars can be used in both residential and commercial construction. Steel rebars are commonly used as reinforcement in concrete structures to provide added strength and durability. They are suitable for a wide range of applications, including foundations, walls, columns, beams, and slabs, which are common elements in both residential and commercial construction. The use of steel rebars ensures that the concrete structures can withstand the loads and stresses imposed on them, making them suitable for various construction projects, regardless of their scale or purpose.
- Q: What is the role of steel rebars in preventing structural collapse?
- Steel rebars play a crucial role in preventing structural collapse by reinforcing concrete structures. Concrete, although strong in compression, is relatively weak in tension. This is where steel rebars come into play, as they effectively enhance the tensile strength of the concrete. When structural loads are applied to a building or other concrete structure, the rebars distribute the load across a wider area, preventing the concrete from cracking and failing under the stress. By providing a means for the concrete to resist tension and bending forces, steel rebars help maintain the integrity and stability of the structure. In addition to improving tensile strength, rebars also enhance the overall ductility and flexibility of the concrete. This is critical during events such as earthquakes or high winds, where structures need to withstand significant lateral forces. The presence of rebars helps the concrete to absorb and dissipate these forces, reducing the risk of structural failure. Moreover, steel rebars also prevent structural collapse by resisting the effects of corrosion. When embedded in concrete, rebars are protected from moisture and other corrosive elements, ensuring their long-term durability and ability to support the structure. In summary, steel rebars are essential components in preventing structural collapse. They reinforce concrete structures, enhance tensile strength, improve ductility, resist corrosion, and ultimately contribute to the overall safety and stability of buildings and other concrete constructions.
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Hot Rolled Steel Deformed Bar D-BAR HRB400 HRB500 SD400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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