Deformed Steel Bar HRB4000 HRB500 ASTM A615 GR40/GR60
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 40000 m.t./month
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Product Description:
OKorder is offering Deformed Steel Bar HRB4000 HRB500 ASTM A615 GR40/GR60 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 Steel Bar HRB4000 HRB500 ASTM A615 GR40/GR60 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 HRB4000 HRB500 ASTM A615 GR40/GR60 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 | ||
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
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:What is the difference between carbon steel and stainless steel rebars?
- The main difference between carbon steel and stainless steel rebars lies in their composition and corrosion resistance. Carbon steel rebars are made primarily of iron and carbon, while stainless steel rebars contain iron, chromium, and other alloying elements like nickel and molybdenum. Carbon steel rebars are more susceptible to corrosion compared to stainless steel rebars, especially in environments with high moisture or exposure to chemicals. Stainless steel rebars, on the other hand, have a higher resistance to corrosion due to the presence of chromium, which forms a protective oxide layer on the surface. This makes stainless steel rebars suitable for applications in harsh or corrosive environments, such as marine structures or concrete exposed to chloride ions. Additionally, stainless steel rebars have higher tensile strength and ductility compared to carbon steel rebars. This makes them more suitable for structural applications where high strength and durability are required. Overall, the choice between carbon steel and stainless steel rebars depends on the specific application and the level of corrosion resistance and strength needed.
- Q:What are the common mistakes to avoid when installing steel rebars?
- To ensure a successful and safe installation of steel rebars, it is important to avoid several common mistakes: 1. Placing the rebars incorrectly is a frequent error that must be avoided. Accurate placement should be carried out in accordance with the engineering or construction drawings. Any deviation from the specified location can compromise the structural integrity of the reinforced concrete. 2. Insufficient concrete cover over the rebars is another mistake to avoid. The cover acts as a protective layer, preventing corrosion and providing fire resistance. Inadequate cover can lead to premature deterioration and structural failure over time. 3. Proper support for the rebars is crucial during the concrete pouring process. Insufficient support can cause sagging or movement of the rebars, resulting in an uneven distribution of steel reinforcement and compromising the structural strength of the concrete. 4. Correct alignment and spacing of the rebars according to design specifications is essential. Improper alignment can lead to congestion, difficulties in pouring concrete, and compromised bond strength between the rebar and concrete. Similarly, incorrect spacing can result in insufficient reinforcement, reducing the overall strength of the structure. 5. Thoroughly cleaning the rebars before installation is necessary to remove rust, dirt, and other contaminants. Failure to do so can lead to poor bond strength and an increased risk of corrosion, weakening the structure over time. 6. Adequate tying of the rebars using the appropriate wire or connectors is essential to maintain alignment and ensure the structural integrity of the reinforced concrete. Neglecting proper tying can result in shifting or movement during the concrete pouring process, compromising the structural strength. 7. Lack of supervision and quality control during the installation process is a common mistake. Experienced personnel should oversee the installation to ensure compliance with design specifications, proper installation techniques, and adherence to safety guidelines. By avoiding these common mistakes, the installation of steel rebars can be carried out effectively, resulting in a strong, durable, and safe reinforced concrete structure.
- Q:What is the role of steel rebars in reinforced concrete beams?
- The role of steel rebars in reinforced concrete beams is to provide tensile strength and enhance the structural integrity of the beams. Steel rebars are embedded within the concrete to resist tension forces, which concrete alone is unable to withstand effectively. The rebars act as reinforcement, allowing the beam to resist bending and prevent cracking or failure under load. By combining the compressive strength of concrete with the tensile strength of steel rebars, reinforced concrete beams can support heavier loads and withstand various structural demands.
- Q:Can steel rebars be used in sound barrier walls?
- Indeed, sound barrier walls can employ steel rebars. These rebars are regularly employed in the construction of reinforced concrete structures, such as sound barrier walls. They furnish the walls with resilience and longevity, guaranteeing their ability to endure the pressures exerted upon them by wind, weather, and impacts. Moreover, steel rebars aid in fortifying the structural integrity of the sound barrier walls, rendering them more impervious to vibrations and the transmission of noise. Consequently, steel rebars are a fitting and frequently utilized material in the construction of sound barrier walls.
- Q:What are the safety precautions when handling steel rebars?
- When handling steel rebars, it is important to follow several safety precautions. Firstly, always wear appropriate personal protective equipment (PPE) such as gloves, goggles, and steel-toed boots to protect yourself from potential injuries. Secondly, ensure that the work area is clear of any debris or obstacles that may cause trips or falls. Additionally, use proper lifting techniques and team lifting when necessary to avoid strain or back injuries. It is crucial to be aware of the weight and length of the rebars being handled to prevent them from falling or causing accidents. Lastly, remember to store and stack the rebars securely to prevent them from toppling over and causing injuries.
- Q:Can steel rebars be used in structures with high alkaline environments?
- Steel rebars can generally be used in structures with high alkaline environments, such as those found in concrete. However, it is important to consider the potential for corrosion in such environments. The alkaline environment of concrete can provide a protective layer, known as a passive film, on the surface of the steel rebar. This film helps prevent corrosion by minimizing the contact between the steel and the corrosive elements in the environment. However, there are certain factors that can affect the corrosion resistance of steel rebars in high alkaline environments. These include the quality of the concrete, the presence of chloride ions (which can disrupt the passive film), the level of environmental exposure, and the design of the structure. It is crucial to ensure that the concrete used is of high quality, with appropriate measures taken to minimize the presence of contaminants that may accelerate corrosion. In cases where the alkaline environment is extremely aggressive or the structure is exposed to severe conditions, additional protective measures may be necessary. These can include the use of corrosion-resistant coatings or the application of cathodic protection systems to mitigate the risk of corrosion. Overall, while steel rebars can be used in structures with high alkaline environments, it is important to carefully consider the specific conditions and take appropriate measures to ensure the durability and longevity of the structure. Consulting with structural engineers and corrosion specialists can help determine the most suitable approach for using steel rebars in such environments.
- Q:Can steel rebars be used in structures with high humidity levels?
- Yes, steel rebars can be used in structures with high humidity levels. However, it is important to ensure proper corrosion protection measures are in place to prevent rusting and deterioration of the rebars over time. This can include using corrosion-resistant coatings or stainless steel rebars, as well as proper concrete cover to create a barrier between the rebar and the surrounding environment. Regular maintenance and inspections are also necessary to monitor and address any signs of corrosion.
- 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 affect the structural integrity of a building?
- Steel rebars play a crucial role in enhancing the structural integrity of a building. They are used to reinforce concrete structures by providing extra strength and resistance to various forces, such as tension, compression, and bending. The inclusion of steel rebars helps to distribute loads more evenly, prevent cracks, and increase the overall durability and stability of the building.
- Q:Can steel rebars be used in slabs and beams?
- Yes, steel rebars can be used in slabs and beams. Steel rebars are commonly used as reinforcement in concrete structures, including slabs and beams, to enhance their strength and durability.
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Deformed Steel Bar HRB4000 HRB500 ASTM A615 GR40/GR60
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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