Hot Rolled Deformed Bar D-BAR HRB400 HRB500 B500B B500C
- Ref Price:
-
$500.00
/ m.t.
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Product Description:
OKorder is offering Hot Rolled Deformed Bar D-BAR HRB400 HRB500 B500B B500C 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 Deformed Bar D-BAR HRB400 HRB500 B500B B500C 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 Deformed Bar D-BAR HRB400 HRB500 B500B B500C 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:
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 | ||
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
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.
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- Q:Are there any codes or regulations for the use of steel rebars in construction?
- Yes, there are codes and regulations in place for the use of steel rebars in construction. In many countries, including the United States, the American Concrete Institute (ACI) provides guidelines and standards for the design and construction of reinforced concrete structures. The ACI 318 Building Code Requirements for Structural Concrete includes provisions for the use of steel rebars, detailing their requirements for size, placement, and quality. Similarly, the International Building Code (IBC) is widely adopted and provides regulations for construction practices in various jurisdictions. It includes provisions and references to standards that govern the use of steel rebars in reinforced concrete structures. Additionally, there are other standards organizations, such as the British Standards Institution (BSI) in the United Kingdom, which have their own codes and regulations for the use of steel rebars in construction. These codes and regulations are essential to ensure the safety and durability of structures. They specify requirements for the size, grade, and placement of rebars, as well as guidelines for the design, detailing, and construction of reinforced concrete elements. Compliance with these codes and regulations helps to ensure that structures are built to withstand the expected loads and perform as intended.
- Q:Can steel rebars corrode or rust over time?
- Yes, steel rebars can corrode or rust over time due to exposure to moisture and oxygen.
- Q:What are the different types of steel rebars used in foundation constructions?
- Foundation constructions commonly utilize various types of steel rebars, each possessing distinct properties and advantages. These rebars cater to different construction needs and offer unique benefits. 1. Mild Steel Rebars, or black bars, are crafted from carbon steel and boast a low carbon content. They find extensive use due to their cost-effectiveness and versatility. Mild steel rebars are suitable for most general construction ventures, providing commendable strength and durability. 2. High-strength Deformed Steel Rebars (HSD) exhibit a higher tensile strength in comparison to mild steel rebars. Manufactured by subjecting the steel to high temperatures and twisting it, these rebars possess a deformed surface that fosters excellent concrete bonding. HSD rebars are frequently employed in robust structures requiring elevated strength, such as tall buildings and bridges. 3. Epoxy-Coated Rebars undergo a protective epoxy resin coating to combat corrosion. The epoxy coating acts as a barrier, shielding the steel from moisture and chemicals that lead to rusting. These rebars are commonly implemented in regions with high humidity or exposure to corrosive elements, such as coastal areas. 4. Stainless Steel Rebars, composed of corrosion-resistant stainless steel comprising chromium and nickel, exhibit remarkable resistance to corrosion. Consequently, they prove ideal for structures exposed to hostile environments or chemicals. Marine constructions, wastewater treatment plants, and regions with high chloride content frequently employ stainless steel rebars. 5. Galvanized Rebars possess a zinc coating, providing corrosion protection. The zinc coating functions as a sacrificial layer, corroding instead of the steel rebars. Galvanized rebars find wide application in areas with high humidity or chemical exposure, such as industrial buildings, parking garages, and highway structures. 6. Welded Wire Mesh, although not a conventional rebar, is frequently employed in foundation constructions. Comprising interconnected steel wires welded together in a mesh grid, this mesh offers reinforcement and facilitates even load distribution across the foundation. It is commonly utilized in slabs, foundations, and retaining walls. Ultimately, the selection of steel rebars for foundation constructions hinges upon factors such as project requirements, environmental conditions, and budgetary limitations. It is imperative to consider the specific demands of the construction project and consult structural engineers to determine the most suitable type of steel rebars, ensuring a sturdy and enduring foundation.
- Q:What are the factors to consider while selecting steel rebars for a construction project?
- Some factors to consider while selecting steel rebars for a construction project include the grade of steel, corrosion resistance, strength requirements, size and shape of rebars, availability and cost, compliance with building codes and regulations, and the specific needs of the project such as seismic resistance or durability.
- Q:What are the different types of tests conducted on steel rebars for quality assurance?
- There are several types of tests conducted on steel rebars for quality assurance. Some common tests include tensile testing, bend testing, impact testing, hardness testing, and chemical composition analysis. These tests help ensure that the rebars meet the required mechanical properties, dimensional tolerances, and chemical composition standards, ensuring their quality and suitability for various construction applications.
- Q:What is the process of installing steel rebars in slabs and beams?
- To ensure the concrete structure is properly reinforced, there are several steps involved in installing steel rebars in slabs and beams. Firstly, the reinforcement layout is designed by the structural engineer based on the project's specific requirements. Factors such as load-bearing capacity and span length are taken into consideration. Next, the layout is marked on the slab or beam using appropriate methods like chalk lines. This helps guide the installation process and maintain accuracy. Then, the steel rebars, which are delivered in long lengths, need to be cut and bent to the specific dimensions and angles required by the design. Specialized tools such as rebar cutters and benders are used for this process. Once the rebars are cut and bent, they are placed in the marked positions on the slab or beam. Rebar chairs, spacers, or other devices are used to support the rebars and keep them in the correct position during concrete pouring. After the rebars are correctly positioned, they are tied together using wire or other binding material to maintain proper spacing and alignment. An inspection is then carried out to ensure the rebars meet the design specifications and are properly positioned. Compliance with building codes and standards is checked. Once the rebars are inspected and approved, the concrete is poured over the reinforced area. The rebars act as reinforcement, providing added strength and stability to the structure. After the concrete is poured, it needs to cure and harden. During this time, it is important to protect the rebars and concrete from excessive moisture and temperature fluctuations. Finishing processes like leveling, smoothing, and surface treatments can be carried out after curing to achieve the desired appearance and functionality. Overall, the process of installing steel rebars in slabs and beams involves meticulous planning, precise cutting and bending, accurate placement, proper securing, and thorough inspection. This ensures a reinforced structure that meets design requirements and provides long-lasting strength and durability.
- Q:Are steel rebars susceptible to magnetic fields?
- Yes, steel rebars are susceptible to magnetic fields as they are made primarily of iron, which is a ferromagnetic material.
- Q:How do steel rebars impact the overall energy efficiency of a structure?
- Steel rebars can have both positive and negative impacts on the overall energy efficiency of a structure. On one hand, steel rebars can enhance the structural integrity and durability of the building, leading to a longer lifespan and reduced energy consumption for repairs and maintenance. Additionally, steel rebars can be used to reinforce concrete, which provides better insulation and thermal efficiency. On the other hand, the production of steel rebars requires significant energy and emits greenhouse gases, contributing to the carbon footprint of the structure. Therefore, the overall energy efficiency of a structure depends on various factors, including the design, construction techniques, and the use of sustainable materials alongside steel rebars.
- Q:25 screw steel, how many meters per meter?
- Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand. H, R, and B are the first letters in English for hot-rolled (Hotrolled), ribbed (Ribbed) and reinforced (Bars) three words.
- Q:What are the factors that can cause steel rebars to corrode prematurely?
- Premature corrosion of steel rebars can be influenced by various factors. Some of these include: 1. Moisture exposure: The presence of moisture is a primary catalyst for rebar corrosion. Prolonged exposure to water or high humidity levels can lead to rust or oxidation on the rebar surface. 2. Chloride ions: The corrosion process of steel rebars can be accelerated by chloride ions, commonly found in seawater or de-icing salts. These ions can enter the concrete cover and come into contact with the rebar, causing faster corrosion. 3. Carbonation of concrete: Concrete carbonation occurs when atmospheric carbon dioxide reacts with the alkaline components of concrete. This process reduces pH levels, diminishing the concrete cover's ability to passivate and increasing the likelihood of rebar corrosion. 4. Inadequate concrete cover: Insufficient concrete cover exposes rebars to external elements like moisture and chloride ions, leading to accelerated corrosion. Poor construction practices or inadequate design specifications can result in insufficient cover. 5. Poor concrete quality: Low-quality concrete used in construction may contain impurities or lack proper curing, making the concrete more permeable. This allows harmful substances like moisture and chlorides to penetrate easily, causing premature rebar corrosion. 6. Galvanic corrosion: Galvanic corrosion occurs when dissimilar metals come into contact in the presence of an electrolyte, such as moisture. For instance, if steel rebars come in contact with aluminum or copper materials, galvanic corrosion can occur. 7. Construction defects: Issues during the construction phase, such as inadequate workmanship or insufficient protective measures, can contribute to premature rebar corrosion. Examples include poor concrete compaction, improper reinforcement placement, or inadequate waterproofing. To prevent premature corrosion of steel rebars, it is essential to use high-quality materials, ensure adequate concrete cover, apply corrosion-resistant coatings or inhibitors, and employ appropriate construction practices. Regular inspections and maintenance can also help identify and address potential corrosion issues before they worsen.
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Hot Rolled Deformed Bar D-BAR HRB400 HRB500 B500B B500C
- Ref Price:
-
$500.00
/ m.t.
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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