Deformed Bar HRB500 HRB400 High Quality Hot Rolled 6mm-50mm BS4449
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Product Description:
OKorder is offering high quality Hot Rolled Steel I-Beams 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:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger
Product Advantages:
OKorder's Steel I-Beams are durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
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:
Manufacture: Hot rolled
Grade: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
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 |
FAQ:
Q1: How soon can we receive the product after purchase?
A1: 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.
Q2: What makes stainless steel stainless?
A2: 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.
Q3: Can stainless steel rust?
A3: 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.
- Q: Are steel rebars suitable for earthquake-resistant structures?
- Yes, steel rebars are suitable for earthquake-resistant structures. Steel rebars provide excellent tensile strength and reinforcement to concrete structures, making them more resistant to the lateral forces and vibrations caused by earthquakes. They help to distribute and absorb the energy generated during seismic events, enhancing the overall structural integrity and reducing the risk of collapse. Steel rebars have been widely used in earthquake-prone areas and are considered a reliable choice for ensuring the safety and stability of buildings and infrastructure during earthquakes.
- Q: What is the tensile strength of a steel rebar?
- The tensile strength of a steel rebar typically ranges from 60,000 to 100,000 pounds per square inch (psi).
- Q: What is the role of steel rebars in minimizing the risk of structural collapse?
- Steel rebars are of utmost importance in reducing the likelihood of structural collapse in buildings and other construction projects. These rebars, which are commonly referred to as reinforcing bars, are manufactured from steel and are employed to strengthen concrete structures. They augment the concrete's strength and durability, making it more resilient against various forces and decreasing the chances of collapse. One of the primary causes of structural failure lies in the incapability of a building or structure to withstand the forces it encounters. These forces encompass the weight of the structure itself, as well as external forces like wind, earthquakes, and even human activities. Without adequate reinforcement, concrete alone may not have the capacity to endure these forces, thus leading to structural collapse. Strategically positioned within the concrete, steel rebars bolster its tensile strength. While concrete boasts great strength in compression, it is relatively weak in tension. By incorporating steel rebars, the concrete becomes significantly more resistant to tension and can better endure bending and cracking. This reinforcement enables the structure to distribute loads more evenly and prevents localized failures. Furthermore, steel rebars also serve to control and restrict the spread of cracks within the concrete. In the event of crack formation, the rebars function as a barrier, holding the concrete together and preventing further cracking and potential collapse. This role is particularly crucial in regions prone to seismic activities, as the rebars can aid in dissipating and absorbing the energy generated by an earthquake. Aside from their structural function, steel rebars also contribute to the longevity and durability of the concrete structure. By reinforcing the concrete, the rebars help to impede corrosion and degradation caused by environmental factors such as moisture and chemicals. This ensures the integrity and stability of the structure over an extended period, diminishing the risk of collapse due to deterioration. To summarize, the role of steel rebars in minimizing the risk of structural collapse is pivotal. They enhance the strength and durability of the concrete, heightening its ability to withstand various forces and averting failure. Through reinforcing the concrete, rebars distribute loads, regulate crack propagation, and contribute to the structure's longevity, ultimately guaranteeing the safety and stability of buildings and other construction projects.
- Q: What is the recommended spacing between horizontal steel rebars in beams?
- The recommended spacing between horizontal steel rebars in beams typically depends on various factors such as the design requirements, load conditions, and the size of the beam. Generally, the spacing between rebars in beams ranges from 2 to 6 inches. However, it is crucial to consult with a structural engineer or refer to the applicable building codes and standards to determine the specific recommended spacing for a particular beam design.
- Q: What are the guidelines for the proper anchoring of steel rebars in walls?
- The guidelines for proper anchoring of steel rebars in walls typically involve factors such as the rebar size, spacing, embedment depth, and the type of wall construction. It is important to follow building codes and structural engineering standards specific to your region. Generally, rebars should be adequately spaced and securely anchored into the surrounding concrete or masonry to ensure proper load transfer and structural integrity. Additionally, proper cover thickness should be maintained to protect rebars from corrosion and ensure long-term durability.
- Q: How do steel rebars resist fire?
- Steel rebars resist fire due to their high melting point and low thermal conductivity. Steel has a melting point of around 1370°C, which is higher than typical temperatures reached in building fires. This allows rebars to maintain their structural integrity even in high-temperature environments. Additionally, steel has a low thermal conductivity, meaning it does not readily transfer heat, minimizing the risk of fire spread and structural failure. The combination of these properties makes steel rebars a reliable choice for reinforcing concrete structures in fire-prone areas.
- Q: How do steel rebars perform in heavy load-bearing structures?
- Steel rebars perform exceptionally well in heavy load-bearing structures. Due to their high tensile strength and durability, they provide crucial reinforcement to concrete, effectively distributing and resisting heavy loads. This ensures structural integrity, preventing deformation and collapse even under extreme conditions.
- Q: Can steel rebars be used in the construction of underground tunnels?
- Yes, steel rebars can be used in the construction of underground tunnels. Steel rebars are commonly used in tunnel construction to reinforce the concrete structures and provide strength and durability. They help to maintain the structural integrity of the tunnel, resist the forces exerted by the surrounding soil, and ensure the safety of the tunnel over its lifespan.
- Q: How are steel rebars protected against accidental damage during construction?
- Steel rebars are protected against accidental damage during construction through a variety of measures. One common method is to place plastic caps on the ends of the rebars to prevent them from getting damaged or bent. Additionally, rebars can be covered with plastic or foam sleeves to provide an added layer of protection. Construction workers are also trained to handle rebars carefully and avoid any activities that may cause accidental damage.
- Q: What are the limitations of using steel rebars in construction?
- One limitation of using steel rebars in construction is their susceptibility to corrosion. When exposed to moisture and oxygen, steel rebars can rust over time, compromising the structural integrity of the concrete. Additionally, steel rebars are relatively heavy, which can increase the overall weight of the structure and potentially require additional support. Lastly, steel rebars can be expensive, especially in regions where the cost of steel is high, making alternative reinforcement materials more appealing from a cost perspective.
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Deformed Bar HRB500 HRB400 High Quality Hot Rolled 6mm-50mm BS4449
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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