Deformed Bar Hot Rolled High Quality BS4449 ASTM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000000 m.t./month
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Item specifice
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
15MM
Length:
6M
Net Weight:
100MT
Product Description:
OKorder is offering Deformed Bar Hot Rolled High Quality BS4449 ASTM 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 Deformed Bar Hot Rolled High Quality BS4449 ASTM 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:What is the difference between steel rebars and FRP rebars?
- Steel rebars and FRP rebars are two different materials used for reinforcement in construction projects. The main difference between steel rebars and FRP (Fiber Reinforced Polymer) rebars lies in their composition and mechanical properties. Steel rebars are made of carbon steel and are known for their high tensile strength and durability. They have been widely used in construction for many years and are a reliable choice for reinforcing concrete structures. On the other hand, FRP rebars are made of fibers, such as glass or carbon, embedded in a polymer matrix. This composite material offers several advantages over steel rebars. Firstly, FRP rebars are lighter in weight, making them easier to handle and transport. This can reduce labor and equipment costs during construction. Secondly, FRP rebars are non-corrosive, unlike steel rebars. Steel rebars are prone to corrosion when exposed to moisture and chemicals, which can weaken the structure over time. FRP rebars do not rust or corrode, making them ideal for environments with high humidity, saltwater, or chemical exposure. Another significant difference is that FRP rebars have a high resistance to electromagnetic fields. This makes them suitable for applications in sensitive areas, such as hospitals, power plants, or telecommunication facilities, where electromagnetic interference should be minimized. However, there are also some limitations to consider with FRP rebars. They have lower tensile strength compared to steel rebars, which means they may not be suitable for heavy-load-bearing structures. Additionally, FRP rebars have a higher initial cost compared to steel rebars, although this can be offset by their long-term durability and reduced maintenance requirements. In summary, the main differences between steel rebars and FRP rebars lie in their composition, mechanical properties, and performance in different environmental conditions. Steel rebars offer high tensile strength but are vulnerable to corrosion, while FRP rebars are lighter, non-corrosive, and have a high resistance to electromagnetic fields. The choice between the two depends on the specific project requirements, load-bearing needs, and environmental factors.
- Q:What are the common types of steel rebars used in residential construction?
- The common types of steel rebars used in residential construction are typically made of carbon steel and include Grade 40, Grade 60, and Grade 75. These rebars are chosen based on their tensile strength and flexibility, with Grade 60 being the most commonly used due to its balance of strength and cost-effectiveness.
- Q:What are the guidelines for the proper lap splicing of steel rebars?
- Here are different grammar and expressions for the given guidelines: 1. Lap Length: To achieve the proper overlapping of rebars, a minimum distance, known as the lap length, must be maintained. This distance is determined based on factors such as bar diameter, strength, and the type of structure. Engineering codes and standards generally specify the required lap lengths. 2. Cleanliness: Before commencing lap splicing, it is crucial to ensure that the rebars are free from any dirt, rust, oil, or other contaminants. The presence of foreign materials on the rebar surface can impede the bond between the overlapping bars. 3. Alignment: The rebars intended for splicing must be accurately aligned and parallel to each other. Any misalignment can result in a weak splice, compromising the structural integrity of the construction. 4. Overlapping: The length of overlap between the rebars should be sufficient to transfer loads effectively and maintain reinforcement continuity. It is imperative to adhere to the specified lap length to achieve the required strength and performance of the reinforced concrete structure. 5. Splice Configuration: The choice of lap splice configuration depends on the structural requirements and the specific design of the project. Commonly used configurations include end-to-end splicing, staggered splicing, and mechanical splices. The selection of the appropriate configuration should comply with relevant codes and standards. 6. Splice Preparation: Thorough cleaning and preparation of the rebars at the lap splice area are necessary. This involves removing any loose rust or scale from the bar surface and ensuring adequate bond length between the bars. 7. Lap Splice Placement: The lap splice should be positioned at the designated location within the concrete member. It is crucial to avoid placing the splice too close to the edge of the concrete element, as this may reduce the cover depth and impact the structure's durability. 8. Splice Length Variations: In situations where achieving the required lap length is not feasible due to space limitations or other restrictions, alternative methods such as mechanical splices or welded splices can be considered. However, it is essential to consult the project engineer or designer to ensure compliance with the appropriate guidelines. 9. Quality Control: The lap splicing process should be subject to proper quality control measures. This includes monitoring the lap splice length, ensuring accurate alignment, and conducting periodic inspections to identify any defects or deficiencies. It is important to note that the above guidelines serve as general recommendations, and the specific requirements for lap splicing may vary depending on the design specifications, construction codes, and local regulations. Therefore, it is always advisable to consult the project engineer or designer for precise guidelines applicable to a particular project.
- Q:How do steel rebars affect the overall fire resistance of concrete structures?
- Steel rebars can significantly improve the fire resistance of concrete structures. The high thermal conductivity of steel helps in dissipating heat away from the concrete, preventing rapid temperature rise and structural failure. Additionally, the presence of rebars enhances the load-bearing capacity of the structure during a fire, enabling it to withstand the intense heat for a longer duration before collapsing.
- Q:Can steel rebars be used in residential swimming pool construction?
- Yes, steel rebars can be used in residential swimming pool construction. Steel rebars are commonly used to reinforce concrete structures, including swimming pools. The rebars provide added strength and durability to the concrete, making it capable of withstanding the pressure and weight of the water. The use of steel rebars helps prevent cracking and structural damage to the pool over time. Moreover, steel rebars are readily available, cost-effective, and can be easily installed by professional pool builders. Overall, the inclusion of steel rebars in residential swimming pool construction is highly recommended to ensure a long-lasting and reliable pool structure.
- Q:What are the different types of steel rebars used in building construction?
- There are several different types of steel rebars used in building construction, each with unique properties and applications. Some of the common types include: 1. Mild Steel Rebars: These rebars are also known as black bars and are the most commonly used type. They have low carbon content and are suitable for general construction purposes. 2. High Strength Deformed (HSD) Bars: HSD bars are heat-treated rebars with a higher yield strength than mild steel rebars. They have a ribbed surface that provides better bonding with concrete, making them ideal for structures that require higher load-bearing capacity. 3. Epoxy-Coated Rebars: These rebars are coated with epoxy resin to protect against corrosion. Epoxy coating prevents the steel from coming into direct contact with moisture and chemicals, thereby increasing the lifespan of the structure. 4. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to protect against rust and corrosion. The zinc coating acts as a sacrificial layer, preventing the steel from corroding even if the coating gets damaged. 5. Carbon Steel Rebars: Carbon steel rebars are made from carbon steel and have higher tensile strength than mild steel rebars. They are commonly used in high-rise buildings and heavy construction projects. 6. Stainless Steel Rebars: Stainless steel rebars are highly resistant to corrosion and are used in structures exposed to harsh environments or chemicals. They are more expensive than other types of rebars but offer superior durability. 7. European Rebars (Euro Rebars): Euro rebars are manufactured according to European standards and have specific markings to denote their grade and properties. They are widely used in European construction projects. The choice of rebar type depends on factors such as the intended use of the structure, environmental conditions, and the required strength. It is crucial to select the appropriate type of rebar to ensure the longevity and stability of the building.
- Q:How do steel rebars contribute to the sustainability of a building?
- There are several ways in which steel rebars contribute to the sustainability of a building. To begin with, the utilization of steel rebars in reinforced concrete structures enhances the overall strength and durability of the building, thus extending its lifespan. This, in turn, reduces the frequency of repairs or replacements, resulting in less material consumption and waste generation over time. Moreover, steel rebars are manufactured from recycled materials, with a significant proportion being derived from scrap metal. This helps to decrease the demand for new steel production, which is an energy-intensive process and contributes to carbon emissions. By making use of recycled steel rebars, buildings can significantly reduce their carbon footprint and conserve natural resources. Furthermore, steel rebars aid in improving the structural integrity of the building, making it more resistant to various external forces such as earthquakes, hurricanes, and other natural disasters. This increased resilience decreases the potential for catastrophic damage and the subsequent need for major reconstruction or demolition, thus saving both resources and costs. Additionally, the utilization of steel rebars allows for the construction of taller and more open spaces, enabling efficient use of the building's footprint. This is particularly relevant in urban areas where land availability is limited. By enabling the construction of taller buildings, steel rebars contribute to urban densification, which helps to reduce urban sprawl and preserve natural habitats. Lastly, steel rebars are highly recyclable at the end of their service life. When a building is demolished, the steel rebars can be easily extracted and recycled, avoiding the accumulation of construction waste in landfills. The recycling of steel rebars saves energy and reduces the need for extracting and processing new materials, further contributing to the sustainability of the construction industry. In conclusion, steel rebars play a crucial role in enhancing the sustainability of a building by increasing its durability, utilizing recycled materials, improving structural resilience, enabling efficient land use, and facilitating the recycling of materials at the end of a building's life cycle.
- Q:How do steel rebars affect the overall fire safety of a structure?
- Steel rebars can significantly enhance the fire safety of a structure. Due to their high melting point and excellent heat conductivity, steel rebars act as reinforcements that help maintain the structural integrity of a building during a fire. They prevent the concrete from cracking and collapsing prematurely, allowing occupants more time to evacuate safely. Additionally, steel rebars can also facilitate the distribution of heat, reducing the risk of localized hotspots and minimizing the potential for structural failure.
- Q:What are the advantages of using epoxy-coated steel rebars?
- There are several advantages to using epoxy-coated steel rebars in construction projects. Firstly, epoxy coating provides excellent corrosion resistance. Steel rebars are prone to corrosion when exposed to moisture, oxygen, and other environmental elements. The epoxy coating acts as a protective barrier, preventing these elements from reaching the surface of the steel and thus reducing the risk of corrosion. This significantly extends the lifespan of the rebars and enhances the overall durability of the structure. Secondly, epoxy-coated steel rebars offer improved bonding strength. The epoxy coating provides a rough surface that enhances the adhesive properties between the rebar and the concrete. This results in better load transfer, ultimately strengthening the structure. The increased bonding strength also helps in reducing cracking and enhancing the overall structural integrity. Another advantage of epoxy-coated steel rebars is their ability to resist chemical attack. In certain environments where structures are exposed to chemicals or aggressive substances, such as wastewater treatment plants or industrial facilities, the epoxy coating acts as a barrier that prevents these chemicals from directly contacting the steel. This helps in preserving the rebars and maintaining the structural integrity over the long term. Additionally, epoxy-coated steel rebars provide easier handling and installation. The smoothness of the epoxy coating reduces friction between the rebar and other construction materials, making it easier to position and place the rebars accurately. This simplifies the construction process, enhances productivity, and reduces labor costs. Lastly, epoxy-coated steel rebars offer aesthetic benefits. The epoxy coating can be customized to various colors, allowing for better visual integration with architectural designs. This is particularly useful in projects where the rebars are exposed and visible, such as bridges or artistic structures. In conclusion, the advantages of using epoxy-coated steel rebars include corrosion resistance, improved bonding strength, chemical resistance, easier handling and installation, and aesthetic benefits. By using epoxy-coated steel rebars, construction projects can benefit from enhanced durability, reduced maintenance costs, and improved structural performance.
- Q:How do steel rebars contribute to the load-bearing capacity of structures?
- Steel rebars contribute to the load-bearing capacity of structures by providing reinforcement and strength to concrete. When embedded within the concrete, rebars increase its tensile strength, allowing it to withstand higher loads and prevent cracking or collapsing. This reinforcement enhances the overall structural integrity and durability of buildings, bridges, and other construction projects.
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Deformed Bar Hot Rolled High Quality BS4449 ASTM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000000 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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