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 contribute to the load-bearing capacity of concrete slabs?
- The load-bearing capacity of concrete slabs is improved through various mechanisms by steel rebars. Firstly, they increase the tensile strength of the concrete. While concrete is renowned for its compressive strength, it lacks the ability to resist tensile forces. By incorporating steel rebars into the concrete, a reinforced structure is formed, capable of withstanding both compressive and tensile stresses. This effectively prevents the concrete from cracking or failing when subjected to heavy loads. Secondly, steel rebars aid in the even distribution of loads across the concrete slab. When a load is applied to the slab, it tends to concentrate at specific points, leading to stress concentrations. However, the presence of rebars facilitates the spreading of the load over a larger area, reducing stress on individual points and enhancing the overall load-bearing capacity of the slab. Additionally, steel rebars serve as a barrier against crack propagation in concrete slabs. If a crack occurs, the rebars act as reinforcement, holding the cracked sections together and preventing the crack from expanding further. This ensures the structural integrity of the slab is maintained, safeguarding its load-bearing capacity. In conclusion, steel rebars are indispensable in bolstering the load-bearing capacity of concrete slabs. They provide tensile strength, ensure even load distribution, and inhibit crack propagation. By incorporating rebars, the durability and ability of concrete structures to withstand heavy loads are significantly improved, making them indispensable components in construction projects.
- Q: How do steel rebars perform in extreme weather conditions?
- Steel rebars perform well in extreme weather conditions. The steel's strength and durability allow it to withstand both high and low temperatures, as well as intense wind, rain, and snow. This makes steel rebars a reliable choice for construction projects in areas prone to hurricanes, storms, and other extreme weather events.
- Q: How do steel rebars affect the seismic performance of a structure?
- The seismic performance of a structure is significantly impacted by steel rebars. Steel rebars have the primary function of reinforcing concrete and increasing its strength and ductility. This reinforcement is essential in reducing the damaging effects of seismic activity. When an earthquake occurs, a structure is subjected to different forces, such as lateral forces, shear forces, and bending moments. These forces can cause deformation, cracking, or even collapse of the structure. However, steel rebars provide resistance against these forces and help maintain the integrity of the structure. By increasing the tensile strength of concrete, steel rebars enhance its ability to withstand the lateral movement caused by seismic waves. This allows for a more even distribution of forces, minimizing the formation and propagation of cracks and reducing the risk of structural failure. Additionally, steel rebars improve the ductility of the structure. Ductility refers to a material's ability to deform without breaking. During an earthquake, the shaking of the ground can cause the structure to deform and oscillate. Steel rebars enable the structure to absorb and dissipate energy, decreasing the chances of sudden failure. This ductile behavior is particularly important in areas prone to earthquakes as it provides warning signs of potential structural distress, allowing occupants to evacuate safely. Moreover, steel rebars can be strategically placed in critical areas of the structure, such as the beam-column joints, which are highly vulnerable during seismic events. Proper detailing and configuration of rebars in these areas can greatly enhance seismic performance by strengthening connections and preventing premature failure. In conclusion, steel rebars play a critical role in improving the seismic performance of a structure. They enhance 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: Can steel rebars be used in structures with high levels of carbonation or acid attack?
- Structures with high levels of carbonation or acid attack should avoid using steel rebars. Carbonation occurs when alkaline compounds in concrete react with carbon dioxide from the atmosphere, resulting in a decrease in the concrete's pH level. This can cause the corrosion of steel rebars, as the lower pH levels create an acidic environment that promotes rusting. Similarly, acid attack happens when structures come into contact with acidic substances like industrial chemicals or acid rain. Acidic environments accelerate the corrosion process by further lowering the pH levels of the concrete, increasing the risk of steel rebar deterioration. To prevent these problems, structures exposed to high levels of carbonation or acid attack can use alternative materials such as stainless steel, epoxy-coated rebars, or fiber-reinforced polymer rebars. These materials possess improved corrosion resistance properties, ensuring better durability in challenging environments. It is essential to consider the specific conditions in which the structure will be exposed and seek advice from structural engineers to select the most suitable materials for long-term performance and safety.
- Q: How do steel rebars perform in extreme temperature conditions?
- Steel rebars excel in extreme temperature conditions due to their high thermal conductivity and low coefficient of thermal expansion, enabling efficient heat transfer and resistance against deformation caused by temperature fluctuations. Under exceedingly high temperatures, steel rebars maintain their strength and structural integrity, possessing a high melting point that allows them to retain their properties even in intense fire scenarios. As a result, they are ideal for reinforcing buildings, bridges, and tunnels where fire resistance is crucial. Similarly, in extremely low temperatures, steel rebars exhibit admirable performance. Unlike certain materials, steel does not become brittle or weaken in cold conditions. Consequently, it is well-suited for use in cold climates and regions experiencing frequent freeze-thaw cycles. Moreover, steel rebars boast exceptional durability, enduring extreme temperature fluctuations without significant degradation. Their minimal expansion and contraction help uphold the stability and longevity of reinforced structures. However, it is important to acknowledge that extreme temperatures can still impact steel rebars to some extent. In very high temperatures, steel may undergo slight thermal expansion, causing minor stresses in the surrounding concrete. Similarly, in very low temperatures, slight contraction may occur, but these effects remain minimal and well within acceptable limits. Overall, steel rebars present a dependable choice for reinforcing structures in extreme temperature conditions, offering outstanding strength, durability, and fire resistance.
- Q: How do steel rebars prevent the concrete from cracking under tension?
- Steel rebars reinforce concrete and increase its structural integrity, preventing cracking under tension. Concrete has low tensile strength and tends to crack when subjected to tensile forces. However, when steel rebars are embedded in the concrete, they absorb and distribute these forces, acting as reinforcement. Typically made of high-strength steel, the rebars have a much higher tensile strength compared to concrete. As a result, when the concrete is under tension, the rebars bear most of the load, preventing cracking. The rebars act as a framework or skeleton within the concrete, resisting the tensile forces and ensuring its structural stability. Furthermore, the bond between the steel rebar and the concrete also plays a role in preventing cracking under tension. The ribbed or deformed surface of the rebars enhances the bond with the surrounding concrete, creating a strong connection. This bond allows the rebars to transfer the tensile forces to the concrete matrix more effectively, reducing the risk of cracking. By reinforcing the concrete, steel rebars help distribute the tensile forces evenly throughout the structure. This prevents localized stress concentrations and minimizes the chances of cracks forming. Additionally, if cracks do occur, the presence of rebars can help control their propagation by acting as barriers that restrict further spread. In conclusion, steel rebars provide reinforcement, increase the strength of concrete, and prevent cracking under tension. They bear the tensile forces, distribute them evenly, and enhance the bond between the rebar and the concrete. This reinforcement ensures the structural integrity of the concrete and helps prevent cracking.
- Q: What are the common applications of steel rebars in construction?
- Steel rebars are commonly used in construction for reinforcement purposes. They are primarily used in reinforced concrete structures such as foundations, beams, columns, and slabs to enhance their structural integrity and strength. Rebars help to resist tension forces, prevent cracking, and improve the overall durability of the concrete.
- Q: Can steel rebars be used in earthquake-resistant construction?
- Yes, steel rebars can be used in earthquake-resistant construction. Steel rebars are commonly used in reinforced concrete structures to enhance their strength and resistance to seismic forces. The high tensile strength of steel rebars helps in distributing the stress caused by earthquakes, making them an essential component in earthquake-resistant construction.
- Q: How do steel rebars impact the constructability and formwork requirements of concrete elements?
- The constructability and formwork requirements of concrete elements are greatly affected by steel rebars. These reinforcement bars, also called rebars, are extensively used in concrete construction to strengthen and increase the durability of structural elements. To begin with, the presence of rebars impacts the constructability of concrete elements by providing structural integrity and load-bearing capacity. By strategically placing rebars in areas like beams, columns, and slabs, the overall strength and stability of the structure are significantly improved. This enables the construction of larger and more intricate concrete elements, as rebars help distribute loads more efficiently. Additionally, rebars also have an impact on the formwork requirements of concrete elements. Formwork refers to the temporary structure used to support the concrete until it sets and gains enough strength to support itself. The inclusion of rebars requires careful consideration when designing the formwork, as the presence of reinforcement bars can increase the weight and volume of the concrete. The size, spacing, and positioning of rebars influence the design and construction process of the formwork. The formwork must be designed to accommodate the rebars and ensure proper placement and consolidation of the concrete around them. This may entail additional reinforcement in the formwork, such as tie wires or supports, to prevent displacement or movement of the rebars during concrete pouring. Furthermore, rebars also impact the overall timeline and cost of the construction project. The need for additional formwork materials and reinforcement can raise both material and labor costs. Additionally, the presence of rebars may require more time for formwork installation, concrete pouring, and curing, as the rebars need to be correctly positioned and secured within the concrete elements. In conclusion, steel rebars have a significant impact on the constructability and formwork requirements of concrete elements. They enhance the structural integrity of the concrete, allowing for the construction of larger and more intricate elements. However, their inclusion also necessitates careful planning and design of the formwork, considering the size, spacing, and positioning of the rebars. Overall, rebars play a crucial role in ensuring the strength, stability, and longevity of concrete structures.
- Q: What is the minimum yield strength of steel rebars?
- The minimum yield strength of steel rebars typically varies depending on the type and grade of steel being used. However, in general, the minimum yield strength of steel rebars is commonly around 400 megapascals (MPa) or 58,000 pounds per square inch (psi).
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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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