Hot Rolled Steel Deformed Steel Bar Debar / Rebar KS BS HRB400 HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 24 m.t.
- Supply Capability:
- 30000 m.t./month
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Product Description:
OKorder is offering Hot Rolled Steel Deformed Steel Bar (Debar / Rebar)KS BS HRB400 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 Steel Bar (Debar / Rebar)KS BS HRB400 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 Steel Bar (Debar / Rebar)KS BS HRB400 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:
Commodity: Mild Steel Flat Bar
Standard: GB;JIS
Material: Q195-235;SS400
Brand name: FLATSPACE
Origin place: China
Thickness: 3mm-30mm
Width:20mm-200mm
Length: Max 12m
Certification: SGS/BV
Chemical composition of Q235
Standard | GB | HRB400 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Place of origin | Hebei, China mainland | ||
Advantages | exact size, regular package, chemical and mechanical properties are stable. | ||
Type | Hot rolled deformed steel bar | ||
Brand name | DRAGON | ||
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 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
Packaging & Delivery of Hot Rolled Hot Rolled Steel Deformed Steel Bar (Debar / Rebar)KS BS HRB400
1. Packing: it is nude packed in bundles by steel wire rod
2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load
3. Marks:
Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.
Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.
If loading by container the marking is not needed, but we will prepare it as customer request.
4. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.
5. Delivered by container or bulk vessel
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.
Images:
- Q: How do steel rebars improve the strength and durability of concrete?
- Steel rebars improve the strength and durability of concrete in several ways. Firstly, rebars provide reinforcement to the concrete structure, increasing its tensile strength. Concrete is excellent at withstanding compression forces, but it is relatively weak when it comes to tension. By embedding steel rebars within the concrete, the tensile strength of the structure is significantly enhanced. This means that the concrete can resist bending, cracking, and collapsing under heavy loads or external forces. Secondly, steel rebars prevent cracking and shrinkage in the concrete. Concrete tends to shrink as it dries and cures, leading to the development of cracks. However, rebars help to control and restrict this shrinkage by providing additional support and structural integrity. This helps to minimize the occurrence of cracks and ensures that the concrete remains strong and durable over time. Furthermore, steel rebars improve the overall structural stability of the concrete. When concrete is subjected to dynamic loads or seismic activity, it can experience significant deformation or even failure. The presence of rebars helps to distribute the load more evenly throughout the concrete structure, reducing the risk of localized damage or collapse. This enhances the overall stability and safety of the concrete construction. Lastly, steel rebars increase the longevity and durability of concrete structures. The steel used in rebars is highly resistant to corrosion, which is a common issue in concrete exposed to harsh environmental conditions or moisture. By providing a protective layer around the steel, known as passivation, rebars prevent corrosion and maintain the structural integrity of the concrete for an extended period. This ensures that the concrete remains strong, durable, and resistant to degradation over its lifespan. In summary, steel rebars play a crucial role in improving the strength and durability of concrete. They enhance the tensile strength, prevent cracking and shrinkage, enhance structural stability, and increase the longevity of the concrete structure. With the addition of steel rebars, concrete becomes a reliable and long-lasting construction material capable of withstanding various loads and environmental conditions.
- Q: How do steel rebars affect the fire resistance of concrete structures?
- Concrete structures can greatly increase their ability to withstand fire by incorporating steel rebars. These rebars serve as reinforcement, providing extra strength and stability to the structure and enabling the concrete to endure the intense heat of a fire. The fire resistance of concrete structures primarily relies on the fact that concrete has low thermal conductivity. When exposed to high temperatures, concrete undergoes spalling, where the outer layer breaks off due to the rapid expansion of trapped water. However, the presence of steel rebars helps prevent spalling by holding the concrete together and preventing it from disintegrating. Moreover, steel rebars have a higher melting point than concrete. This means that even when exposed to extreme heat, the rebars maintain their strength and integrity. Consequently, the overall structural stability of the concrete structure remains intact, even in the presence of fire. Steel rebars also act as a heat sink, absorbing and dissipating heat away from the surrounding concrete. This dissipation of heat prevents the formation and spread of localized hotspots throughout the structure, thereby reducing the risk of structural failure. To further enhance the fire resistance of concrete structures, specialized types of steel rebars, known as fire-resistant or fire-rated rebars, can be utilized. These rebars are specifically designed to withstand high temperatures for extended periods without losing their strength. They are often coated with materials such as epoxy or intumescent coatings, which offer additional protection against fire. In conclusion, steel rebars play a vital role in improving the fire resistance of concrete structures. Their presence enhances the overall structural stability, minimizes spalling, dissipates heat, and provides additional strength to withstand the intense heat generated during a fire.
- Q: Can steel rebars be painted or coated for aesthetic purposes?
- Yes, steel rebars can be painted or coated for aesthetic purposes. The paint or coating helps enhance the appearance of the rebars and can also provide additional protection against corrosion.
- Q: What is the standard diameter of steel rebars?
- The standard diameter of steel rebars typically ranges from 6 millimeters to 50 millimeters, with the most commonly used diameters being 10 millimeters, 12 millimeters, 16 millimeters, and 20 millimeters. The specific diameter of a steel rebar depends on the intended application and structural requirements of the construction project. These rebars are commonly used in reinforced concrete structures to enhance their tensile strength and overall durability.
- Q: How do steel rebars affect the seismic performance of a structure?
- Steel rebars have a significant impact on the seismic performance of a structure. The primary role of steel rebars is to reinforce concrete and enhance its strength and ductility. This reinforcement plays a crucial role in mitigating the damaging effects of seismic activity. During an earthquake, a structure experiences various forces, such as lateral forces, shear forces, and bending moments. These forces can cause the structure to deform, crack, or even collapse. However, steel rebars provide resistance against these forces and help maintain the integrity of the structure. The presence of steel rebars increases the tensile strength of concrete, which is otherwise weak in tension. This enhanced tensile strength allows the structure to better withstand the lateral movement induced by seismic waves. By distributing the forces more evenly, the rebars help to reduce the formation and propagation of cracks, limiting the potential for structural failure. Moreover, steel rebars increase the ductility of the structure. Ductility refers to the ability of a material to undergo deformation without breaking. During an earthquake, the ground shaking can cause the structure to deform and oscillate. Steel rebars allow the structure to absorb and dissipate energy, reducing the likelihood of sudden failure. This ductile behavior is crucial in earthquake-prone regions as it provides warning signs of potential structural distress, allowing occupants to evacuate safely. Furthermore, steel rebars can be strategically placed in critical areas of a structure, such as the beam-column joints, which are highly vulnerable during seismic events. The proper detailing and configuration of rebars in these areas can significantly improve the seismic performance by strengthening the connections and preventing premature failure. In summary, steel rebars play a crucial role in enhancing the seismic performance of a structure. They increase the tensile strength of concrete, improve ductility, reduce crack formation, and strengthen critical areas. These factors collectively contribute to a more resilient structure that can better withstand and absorb the forces generated during an earthquake, ultimately ensuring the safety and stability of the building and its occupants.
- Q: How do steel rebars perform in structures subjected to vibration?
- Steel rebars perform well in structures subjected to vibration due to their high tensile strength and stiffness. The reinforcement provided by rebars enhances the structural integrity, preventing cracking or failure under dynamic loads. Additionally, the damping characteristics of steel rebars help dissipate the energy generated by vibrations, reducing the potential for damage or resonance effects. Overall, steel rebars play a crucial role in enhancing the durability and stability of structures exposed to vibration.
- Q: Are there any disadvantages or limitations of using steel rebars?
- Yes, there are some disadvantages or limitations of using steel rebars. Firstly, steel rebars are prone to corrosion when exposed to moisture or harsh environmental conditions, which can weaken the structure over time. Secondly, steel rebars are heavy and require heavy machinery for transportation and installation, making them less suitable for certain construction projects. Additionally, steel rebars can cause electromagnetic interference, which can interfere with electronic devices or communication systems in some cases. Lastly, steel rebars have a high thermal conductivity, which can result in energy losses or thermal bridges if not properly insulated.
- Q: What are the guidelines for using steel rebars in pre-stressed or post-tensioned concrete elements?
- Several key considerations must be taken into account when using steel rebars in pre-stressed or post-tensioned concrete elements to ensure structural integrity and performance. 1. Design and Engineering: The initial step is to consult with a qualified structural engineer who specializes in pre-stressed or post-tensioned concrete design. They will determine the specific project's requirements for rebars, including size, spacing, and type, based on the structural loads, design requirements, and desired performance. 2. Material Selection: The rebars used in pre-stressed or post-tensioned concrete elements should adhere to industry standards, such as ASTM A615 or ASTM A706 for reinforcing steel. The rebars should possess adequate strength, ductility, and corrosion resistance to withstand environmental conditions and stress. 3. Placement and Anchorage: Precise placement and anchoring of the rebars within the concrete elements are necessary. The requirements for placement and anchorage will depend on the project's design and engineering specifications. Proper alignment and secure fastening of the rebars are crucial to ensure effective force transfer to the concrete. 4. Tensioning Process: In pre-stressed concrete elements, the rebars are tensioned before pouring the concrete. Specialized jacks or hydraulic systems are used to apply a predetermined amount of force to the rebars. Careful control of the tensioning force is vital to achieving the desired level of pre-stress without overloading the rebars or damaging the concrete. 5. Post-Tensioning: For post-tensioned concrete elements, the rebars are tensioned after the concrete has hardened. This involves passing the rebars through ducts or sleeves within the concrete and applying tension using hydraulic jacks. The post-tensioning force must be carefully calibrated to achieve the desired structural performance without excessive strain on the rebars or the concrete. 6. Quality Control and Inspection: Throughout the construction process, regular quality control and inspection are essential to ensure compliance with design specifications and industry standards. This includes verifying correct placement, alignment, and tensioning of the rebars, as well as checking for any defects or damage. 7. Maintenance and Durability: Proper maintenance is crucial for the long-term durability and performance of pre-stressed or post-tensioned concrete elements. This may involve periodic inspections, maintaining protective coatings, and addressing corrosion or deterioration promptly. By adhering to these guidelines, construction professionals can ensure the safe and effective use of steel rebars in pre-stressed or post-tensioned concrete elements, resulting in structurally sound and durable concrete structures.
- Q: How do steel rebars affect the overall cost of maintenance in a structure?
- Steel rebars can have a significant impact on the overall cost of maintenance in a structure. By providing strength and reinforcement to concrete, steel rebars help prevent cracks, structural failures, and premature deterioration. This reduces the need for costly repairs and prolongs the lifespan of the structure. Additionally, steel rebars can improve the structural integrity of a building, making it more resistant to external factors such as earthquakes or extreme weather conditions. While the initial cost of installing steel rebars may be higher, their long-term benefits in terms of maintenance cost savings make them a worthwhile investment.
- Q: Can the end of the steel bar be inserted by the steel bar?
- Through the bar Rachel reinforced with steel end can not hook, because the adhesive force can ensure the effective reinforcement and anchorage on ground, so there is no need to add a hook.
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Hot Rolled Steel Deformed Steel Bar Debar / Rebar KS BS HRB400 HRB500
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 24 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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