B500A deformed steel bar deformed steel bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering B500A deformed steel bar 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:
B500A deformed steel bar 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 deformed steel bar 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:
Specifications of HRB400 Deformed Steel Bar:
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 | ||
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 |
Usage and Applications of HRB400 Deformed Steel Bar:
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..
Packaging & Delivery of HRB400 Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Deformed Steel Bar in container
Deformed Steel Bar in factory
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: How do we guarantee the quality of our products?
A1: 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.
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.
- 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 is the role of steel rebars in load-bearing structures?
- The role of steel rebars in load-bearing structures is crucial and multifaceted. Steel rebars, short for reinforcing bars, are used to provide reinforcement and strength to concrete structures. They are typically made of carbon steel and are strategically placed within the concrete to counteract its low tensile strength and enhance its ability to withstand tension and compression forces. In load-bearing structures, such as buildings, bridges, dams, and other infrastructure projects, steel rebars play several key roles: 1. Reinforcement: Concrete on its own has excellent compressive strength but lacks tensile strength. Steel rebars are embedded within the concrete to absorb tensile forces and prevent cracks from forming or propagating. By reinforcing the concrete, they help distribute and manage the loads more effectively, ensuring the structural integrity and durability of the building. 2. Load distribution: Steel rebars assist in distributing the weight and load-bearing capacity of the structure more evenly. They help to transfer the applied loads, such as the weight of the structure itself, live loads, or environmental forces, to the foundation or other supporting components. This redistribution of forces prevents localized damage and ensures the structure can handle various external and internal loads. 3. Flexibility and ductility: Steel rebars provide flexibility and ductility to the concrete. This means that even if the structure is subjected to heavy loads, vibrations, or external forces, the rebars can absorb and distribute the stress across the structure, minimizing the risk of failure. Steel rebars are particularly effective in areas prone to earthquakes, where they help to absorb and dissipate seismic energy. 4. Longevity and durability: By reinforcing the concrete, steel rebars significantly increase the longevity and durability of load-bearing structures. They help to prevent cracking, shifting, and other structural issues that may arise due to aging, environmental factors, or excessive loading. This extended lifespan ensures the safety and stability of the structure over time. Overall, steel rebars are crucial components in load-bearing structures as they provide reinforcement, enhance load distribution, increase flexibility, and improve the longevity and durability of the structure. Their inclusion allows for the construction of safer, stronger, and more resilient buildings and infrastructure projects.
- Q: What are the factors to consider while designing a reinforced concrete structure with steel rebars?
- There are several factors to consider while designing a reinforced concrete structure with steel rebars. Firstly, the structural loads acting on the building, such as dead loads, live loads, and environmental loads, need to be carefully analyzed and considered. This analysis helps determine the appropriate size and spacing of the rebars. Secondly, the design must take into account the desired strength and durability of the structure. The type and grade of concrete, as well as the quality and corrosion resistance of the steel rebars, must be selected to ensure the desired lifespan and performance of the structure. Thirdly, the construction constraints and limitations, including the availability of materials and construction techniques, should be considered during the design stage. This helps ensure that the design is practical and feasible to implement. Lastly, it is crucial to adhere to the relevant building codes, regulations, and industry standards. These guidelines provide specific requirements and safety factors that must be followed to ensure the structural integrity and safety of the reinforced concrete structure with steel rebars.
- Q: Can steel rebars be used in precast or prestressed concrete?
- Yes, steel rebars can be used in precast or prestressed concrete. Steel rebars, also known as reinforcing bars, are commonly used in precast and prestressed concrete structures to provide additional strength and durability. The rebars are typically placed within the concrete matrix to withstand tensile forces that may be encountered during the service life of the structure. The use of steel rebars helps to enhance the structural integrity and load-bearing capacity of the precast or prestressed concrete components, making them capable of withstanding higher loads and minimizing the risk of failure. Additionally, steel rebars also facilitate the transfer of stresses between different parts of the precast or prestressed concrete elements, ensuring a more uniform distribution of forces and enhancing the overall performance of the structure. Therefore, steel rebars are commonly used in precast and prestressed concrete construction to improve the structural characteristics and longevity of the finished product.
- Q: What factors affect the cost of steel rebars?
- Several factors can affect the cost of steel rebars. The primary factors include the cost of raw materials, such as iron ore and scrap metal, as well as the cost of energy and transportation. Market demand and supply dynamics, including global economic conditions and construction activity, also play a significant role in influencing the price of steel rebars. Additionally, factors like production and labor costs, technological advancements in the manufacturing process, and government regulations can impact the overall cost.
- Q: What are the different types of corrosion protection coatings for steel rebars?
- Steel rebars have a variety of corrosion protection coatings available, each offering different levels of durability and protection. 1. Epoxy Coatings: Considered one of the most effective options, epoxy coatings create a thick and durable barrier that prevents moisture and corrosive substances from reaching the steel surface. They can be applied using spray, brush, or dip methods and exhibit excellent adhesion and resistance to chemicals. 2. Zinc Coatings: Zinc coatings, such as hot-dip galvanization or zinc-rich paint, are a popular choice for corrosion protection. These coatings sacrifice the zinc to protect the steel rebars, making them highly effective even in harsh environments. The thickness of the zinc coating can be adjusted based on the desired level of protection. 3. Fusion-Bonded Epoxy (FBE) Coatings: FBE coatings are commonly used in underground or submerged applications. They are applied by heating the steel rebar, causing the epoxy powder to melt and bond to the surface. FBE coatings provide excellent resistance to corrosion, chemicals, abrasion, and impact. 4. Polymer Coatings: Polymer coatings, such as polyurethane or polyethylene, are ideal for high-temperature environments or situations requiring chemical resistance. These coatings form a protective barrier that is resistant to UV radiation, abrasion, and chemicals. They can be applied using spray or dip methods and adhere well to the steel surface. 5. Concrete Coatings: In reinforced concrete structures, the concrete itself can act as a corrosion protection coating for steel rebars. The high alkalinity of concrete creates a passivating layer around the steel, preventing corrosion. Corrosion inhibitors added to the concrete mix can enhance the protection of steel rebars. Choosing the right corrosion protection coating depends on factors such as the environment, intended use, and desired durability. Consulting with corrosion protection experts or experienced engineers can help determine the most suitable coating for steel rebars in any given situation.
- Q: Can steel rebars be recycled after demolition?
- Yes, steel rebars can be recycled after demolition. Steel is one of the most commonly recycled materials, and rebars are no exception. After demolition, steel rebars can be collected, sorted, and sent to recycling facilities where they are melted down and reused to make new steel products. This recycling process helps reduce waste and conserve resources.
- Q: How are steel rebars protected against chemical attacks?
- Corrosion protection is a process that shields steel rebars from chemical attacks. Various techniques and materials are utilized to prevent corrosive substances from harming the rebar. One method commonly employed is the application of protective coatings. These coatings, such as epoxy or zinc, create a barrier on the rebar's surface, obstructing corrosive substances from reaching the steel. Moreover, these coatings offer added protection against moisture and other environmental factors that contribute to corrosion. Corrosion inhibitors are another means of safeguarding the rebars. These chemicals can be added to the concrete mix or directly applied to the rebar. By forming a protective layer on the steel's surface, corrosion inhibitors impede the corrosion process. These inhibitors can be organic or inorganic compounds, targeting specific corrosion mechanisms. In certain cases, stainless steel rebars are used to protect against chemical attacks. Stainless steel possesses greater resistance to corrosion in comparison to regular steel rebars. The presence of chromium creates a passive layer on the steel's surface, guarding it against chemical reactions. Stainless steel rebars are frequently utilized in highly corrosive environments, such as marine structures or wastewater treatment plants. Regular maintenance and inspection play a crucial role in safeguarding steel rebars against chemical attacks. Any signs of damage or corrosion should be promptly addressed. Regular cleaning and removal of corrosive substances that accumulate on the rebars also aid in preventing chemical attacks. In conclusion, a combination of protective coatings, corrosion inhibitors, stainless steel rebars, and regular maintenance is essential for protecting steel rebars against chemical attacks. These measures prolong the rebars' lifespan and uphold the structural integrity of concrete structures.
- Q: What is the difference between epoxy-coated and galvanized steel rebars?
- Epoxy-coated steel rebars are reinforced steel bars that have been coated with an epoxy layer for added protection against corrosion. This coating acts as a barrier to prevent moisture and chemicals from reaching the steel, thereby extending its lifespan. On the other hand, galvanized steel rebars are steel bars that have been coated with a layer of zinc to prevent corrosion. The zinc coating acts as a sacrificial layer that corrodes instead of the steel, thereby protecting it from rust. The main difference between the two is the type of coating used, with epoxy providing more resistance to chemical corrosion, while galvanized coating offers better protection against atmospheric corrosion.
- Q: How do steel rebars improve the load-carrying capacity of concrete?
- Steel rebars improve the load-carrying capacity of concrete by providing additional tensile strength. When concrete is subjected to heavy loads or forces, it tends to crack under tension. The inclusion of steel rebars within the concrete helps to counteract this weakness by absorbing the tensile forces and distributing them throughout the structure. This reinforcement enhances the overall durability and structural integrity of the concrete, allowing it to bear heavier loads without failing.
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B500A deformed steel bar deformed steel bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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