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 non-structural applications?
- Yes, steel rebars can be used in non-structural applications. They are commonly used in applications such as concrete reinforcement for sidewalks, driveways, and patios, as well as in construction projects that require additional strength and durability.
- Q: What are the guidelines for the proper installation of steel rebars?
- The guidelines for the proper installation of steel rebars include ensuring proper alignment and spacing, adequate cover, secure anchorage, and appropriate placement within the concrete structure. The rebars should be cleaned of any dirt, rust, or oil before installation, and the concrete should be properly prepared to ensure good bonding between the rebars and the surrounding concrete. Additionally, proper supervision and inspection during the installation process are crucial to ensure compliance with engineering specifications and standards.
- Q: Can steel rebars be used in retaining walls?
- Retaining walls can indeed utilize steel rebars. These rebars, also referred to as reinforcing bars, are frequently employed in retaining walls to enhance their strength and reinforcement. Typically, the rebars are embedded in the concrete or masonry structure of the retaining wall, thereby bolstering its structural integrity and fortifying it against forces like soil pressure. By incorporating steel rebars, retaining walls become resistant to cracking, shifting, or collapsing, providing a trustworthy and long-lasting solution for soil retention and erosion prevention.
- Q: What are the guidelines for proper placement of steel rebars in concrete structures?
- The proper placement of steel rebars in concrete structures is essential to ensure the structural integrity and durability of the construction. Here are some guidelines to follow for the correct placement of rebars: 1. Design Considerations: The first step is to refer to the structural drawings and specifications provided by the engineer. These documents will outline the required rebar sizes, spacing, and any specific details or arrangements needed for the project. 2. Rebar Size and Spacing: The size and spacing of rebars are determined based on the structural requirements and load-bearing capacity of the concrete structure. The diameter and spacing of the rebars should adhere to the design specifications to provide adequate reinforcement. 3. Concrete Cover: The concrete cover refers to the distance between the outer surface of the rebar and the edge of the concrete. This cover protects the rebars from corrosion and provides fire resistance. It is crucial to maintain the specified concrete cover to ensure the longevity of the rebars. 4. Lap Length: In cases where rebars need to be spliced or joined together, a lap length is specified. The lap length ensures sufficient overlap for the transfer of stress between the rebars and prevents any weak points in the structure. 5. Alignment and Positioning: Rebars should be properly aligned and positioned within the concrete formwork. They should be placed in the center of the concrete section to effectively resist tension and compression forces. The use of spacers or chairs can help maintain the desired rebar position during the pouring and setting of the concrete. 6. Clearances and Edge Distance: Adequate clearances must be maintained between rebars to allow for proper concrete flow during casting. Similarly, minimum edge distances should be maintained to prevent rebar corrosion and ensure proper concrete cover. 7. Tying and Fixing: Rebars should be securely tied and fixed at intersections to prevent displacement during concrete placement. Properly tying the rebars using wire or approved connectors helps maintain their position and ensures the structural integrity of the concrete. 8. Inspection and Quality Control: Regular inspections should be conducted during the concrete pouring process to verify that the rebars are placed correctly and according to the design specifications. Any deviations or discrepancies should be addressed promptly to avoid compromising the structural integrity of the concrete structure. By following these guidelines, construction professionals can ensure the proper placement of steel rebars in concrete structures, resulting in safe and durable constructions that can withstand the design loads and provide long-term structural stability.
- Q: How do steel rebars affect the overall thermal expansion of concrete structures?
- Steel rebars have a significant impact on the overall thermal expansion of concrete structures. Due to the difference in thermal expansion coefficients between steel and concrete, the rebars tend to expand and contract at a different rate compared to the surrounding concrete. This mismatch in thermal expansion can lead to internal stresses and potential cracking in the concrete. However, the presence of steel rebars also provides reinforcement and increases the tensile strength of the structure, which can help counteract these effects and enhance overall durability.
- Q: Can steel rebars be used in structures with limited construction equipment?
- Indeed, structures with limited construction equipment can utilize steel rebars. These versatile elements can be effortlessly handled and installed with minimal equipment. One can easily cut them to the desired size using handheld tools like bolt cutters or torches, thereby eliminating the necessity for bulky machinery. Additionally, their lightweight nature facilitates convenient transportation and maneuvering on-site. The flexibility of steel rebars permits the application of diverse construction techniques, such as interlacing them with wire or employing wire mesh to fortify concrete. To summarize, steel rebars prove to be a practical option for structures lacking extensive construction machinery, offering both strength and durability.
- Q: What is the effect of aging on the properties of steel rebars?
- The properties of steel rebars can be impacted both positively and negatively by the process of aging. Aging involves gradual changes in the microstructure and mechanical properties of the rebars over time. One positive effect of aging is the enhancement of strength and hardness. Aging causes the carbon atoms in the steel to form carbides, resulting in increased strength. This strength improvement is advantageous in structural applications as it provides additional support and resistance against external forces and loads. On the other hand, aging can also have detrimental effects on steel rebars. As the rebars age, they become more vulnerable to corrosion. The formation of carbides during aging creates areas of low carbon content, known as decarburization, which increases the likelihood of rust and corrosion. This compromises the structural integrity of the rebars and reduces their lifespan. Moreover, aging can make the steel rebars more brittle. Changes in the microstructure during aging lead to increased brittleness and decreased ductility. This makes the rebars more prone to cracking and failure, especially under excessive loads or extreme temperatures. In conclusion, aging has a complex impact on the properties of steel rebars, with both positive and negative consequences. While aging can strengthen the rebars, it also raises the risk of corrosion and embrittlement. Proper maintenance and monitoring are crucial to mitigate the negative effects of aging and ensure the long-term performance and durability of steel rebars in structural applications.
- Q: What is the difference between three - grade steel and other grades?
- Three rebar is the new standard name for HRB400 steel, three steel for the old, as a kind of hot rolled ribbed bar. In construction, three - grade rebar is called the past.
- Q: How do steel rebars affect the overall construction cost of industrial buildings?
- Steel rebars can significantly affect the overall construction cost of industrial buildings due to their crucial role in enhancing structural strength and durability. While the initial cost of steel rebars might be higher compared to other materials, their use can reduce the need for additional structural support, leading to potential cost savings in terms of labor, time, and materials. Moreover, steel rebars offer long-term benefits by minimizing maintenance and repair expenses, ultimately contributing to the overall cost-effectiveness of the construction project.
- Q: What is the process of inspecting steel rebars for quality control?
- The process of inspecting steel rebars for quality control involves several steps. First, the rebars are visually inspected for any visible defects such as cracks, rust, or surface irregularities. Next, the rebars are measured to ensure they meet the required dimensions and tolerances. This includes checking their length, diameter, and weight. Additionally, rebars may undergo non-destructive testing techniques like ultrasonic testing or magnetic particle inspection to detect any internal flaws or discontinuities. Finally, samples may be taken from the batch of rebars and tested for mechanical properties such as tensile strength, yield strength, and elongation to verify their quality.
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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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