Hot Rolled Deformed Steel Rebar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 800000TONS/YEAR m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Specifications of Hot Rolled Deformed Steel Rebar:
Standard | GB UK USA | HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Payment term | TT or L/C | ||
Trade terms | FOB, CFR, CIF | ||
Application | Building, construction | ||
Each bundle weight | 2-3MT, or as required | ||
Type | Hot rolled steel rebar | ||
Brand name | DRAGON | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
6 | 28.27 | 0.222 | 2.664 | 375.38 |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
10 | 78.54 | 0.617 | 7.404 | 135.06 |
12 | 113.1 | 0.888 | 10.656 | 93.84 |
14 | 153.9 | 1.21 | 14.52 | 68.87 |
16 | 201.1 | 1.58 | 18.96 | 52.74 |
18 | 254.5 | 2.00 | 24 | 41.67 |
20 | 314.2 | 2.47 | 29.64 | 33.74 |
22 | 380.1 | 2.98 | 35.76 | 27.96 |
25 | 490.9 | 3.85 | 46.2 | 21.65 |
28 | 615.8 | 4.83 | 57.96 | 17.25 |
32 | 804.2 | 6.31 | 75.72 | 13.21 |
36 | 1018 | 7.99 | 98.88 | 10.43 |
40 | 1257 | 9.87 | 118.44 | 8.44 |
50 | 1964 | 15.42 | 185.04 | 5.40 |
Deformed Steel Rebar in warehouse
Usage and Applications of Hot Rolled Deformed Steel Rebar:
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 Hot Rolled Deformed Steel Rebar:
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.
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
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.
- Q:How do steel rebars affect the durability of concrete in freeze-thaw cycles?
- Steel rebars can greatly enhance the durability of concrete in freeze-thaw cycles. When concrete is exposed to freezing and thawing conditions, it undergoes a cycle of expansion and contraction. During freezing, water inside the concrete pores freezes and expands, exerting pressure on the surrounding concrete matrix. This expansion can lead to cracks and deterioration of the concrete. However, the presence of steel rebars within the concrete can help mitigate these issues. Steel has a much lower coefficient of thermal expansion compared to concrete, which means it does not expand and contract as much with temperature changes. This property allows the steel rebars to absorb the stresses generated during freeze-thaw cycles, preventing significant damage to the concrete structure. Additionally, steel rebars also provide reinforcement to the concrete, increasing its overall strength and toughness. This reinforcement helps to distribute the stresses caused by freeze-thaw cycles more evenly throughout the concrete, reducing the likelihood of cracks forming or propagating. Furthermore, steel rebars act as a barrier against water penetration into the concrete. Moisture is one of the main factors that contribute to freeze-thaw damage. The steel rebars help to create a more impermeable concrete structure by reducing the size and quantity of cracks, preventing water from entering and causing further deterioration. In summary, steel rebars play a crucial role in enhancing the durability of concrete in freeze-thaw cycles. Their ability to absorb stresses, reinforce the concrete, and prevent water penetration significantly reduces the potential for damage and extends the lifespan of the concrete structure.
- Q:What is the effect of moisture on steel rebars?
- The effect of moisture on steel rebars can be significant and can lead to various issues. Moisture can accelerate the corrosion process of steel rebars, causing them to rust and deteriorate over time. This corrosion weakens the structural integrity of the rebars and can lead to structural failures in concrete structures. When steel rebars are exposed to moisture, the water reacts with the iron in the steel, causing an electrochemical reaction known as corrosion. This reaction produces iron oxide or rust, which expands and causes the rebars to crack and spall. As the corrosion progresses, the rebars lose their strength, which can compromise the overall stability of the structure. Moisture can also contribute to the formation of carbonation in concrete, which further increases the risk of corrosion for steel rebars. Carbonation occurs when carbon dioxide from the atmosphere reacts with the calcium hydroxide in concrete, reducing the alkalinity of the concrete. This reduction in alkalinity lowers the passivation of the rebars, making them more susceptible to corrosion. In addition to corrosion, moisture can also lead to other problems such as concrete expansion, freeze-thaw damage, and efflorescence. When moisture enters the concrete and freezes, it expands, causing cracking and spalling. This freeze-thaw cycle can further accelerate the corrosion process of steel rebars. Efflorescence, on the other hand, is the crystalline deposit that forms on the surface of concrete when moisture evaporates and leaves behind salts. This white, powdery substance can degrade the appearance of concrete structures and indicate potential moisture-related issues. To mitigate the effects of moisture on steel rebars, various preventive measures can be taken. These include using corrosion-resistant rebars, applying protective coatings or membranes to the rebars, ensuring proper concrete cover over the rebars, and implementing proper drainage systems to prevent the accumulation of moisture. Regular inspections and maintenance are also crucial to identify and address any moisture-related issues before they escalate and cause structural problems.
- Q:What are the common mistakes to avoid while using steel rebars?
- Some common mistakes to avoid while using steel rebars include improper placement and spacing, insufficient concrete cover, using rusty or damaged rebars, improper anchoring or tying, and neglecting to clean and prepare the rebars before installation.
- Q:Are steel rebars prone to expansion and contraction?
- No, steel rebars are not prone to expansion and contraction as they have low thermal expansion coefficients.
- Q:What is the minimum cover for steel rebars in concrete?
- The minimum cover for steel rebars in concrete is typically specified by building codes and standards, with the most common requirement being around 1.5 inches (38 mm) for normal reinforced concrete structures. However, the specific minimum cover may vary depending on factors such as the type of structure, exposure conditions, and any additional protective measures taken.
- Q:How do steel rebars affect the overall vibration resistance of a structure?
- Steel rebars can significantly enhance the overall vibration resistance of a structure. Rebars, also known as reinforcement bars, are typically made of high-strength steel and are commonly used in reinforced concrete structures. The primary role of rebars is to provide tensile strength to the concrete, which is otherwise weak in tension. By embedding the rebars within the concrete, they effectively resist the tensile forces that may arise due to applied loads or vibrations. Steel rebars help to distribute the stress and strain throughout the structure, preventing localized failure points and increasing the overall structural integrity. In the case of vibrations, rebars act as a damping mechanism, absorbing and dissipating the vibrational energy. This damping effect reduces the amplitude and frequency of vibrations, thereby increasing the structure's resistance to vibration-induced damage. Moreover, the presence of rebars also improves the dynamic properties of the structure, such as its natural frequency and mode shapes. This is particularly important in structures such as bridges, tall buildings, or industrial facilities, where vibrations can be induced by external factors like wind, seismic events, or machinery operations. In summary, steel rebars enhance the overall vibration resistance of a structure by providing additional strength, distributing stress, and acting as a damping mechanism. Their presence improves the structural integrity, reduces the risk of failure, and ensures the safety and longevity of the construction.
- Q:What is the typical weight per meter of a steel rebar?
- The typical weight per meter of a steel rebar can vary depending on its size and grade. However, as a general guideline, a standard mild steel rebar with a diameter of 10 millimeters (mm) usually weighs around 0.616 kilograms per meter (kg/m). For larger sizes, such as a 20 mm rebar, the weight per meter can increase to approximately 2.47 kg/m. It is important to note that these values are approximate and may vary slightly depending on the specific manufacturing standards and regional regulations.
- Q:How long do steel rebars typically last in construction?
- Steel rebars typically last for the entire lifespan of a structure, which is typically several decades or even longer.
- Q:Can steel rebars be used in residential swimming pool construction?
- Yes, steel rebars can be used in residential swimming pool construction. Steel rebars provide structural reinforcement to the pool walls and floor, ensuring stability and durability.
- Q:Are steel rebars suitable for use in historical restoration projects?
- Yes, steel rebars can be suitable for use in historical restoration projects. They provide structural reinforcement and can help strengthen deteriorated or weakened elements of historical buildings. However, careful consideration should be given to ensure that the use of steel rebars aligns with the original materials and techniques used in the construction of the historical structure. Additionally, the visual impact and authenticity of the restored elements should be taken into account, as steel rebars may not always be ideal for maintaining the historical integrity of the building.
1. Manufacturer Overview |
|
|---|---|
| Location | Hebei, China |
| Year Established | 2002 |
| Annual Output Value | Above US$ 400 Million |
| Main Markets | South Asia; Middle East;Southeast Aisa |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 60%-80% |
| No.of Employees in Trade Department | 11-20 People |
| Language Spoken: | English; Chinese |
| b)Factory Information | |
| Factory Size: | Above 100,000 square meters |
| No. of Production Lines | 2 |
| Contract Manufacturing | OEM service offered |
| Product Price Range | average |
Send your message to us
Hot Rolled Deformed Steel Rebar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 800000TONS/YEAR m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
New products
Hot products
Hot Searches
Related keywords
