HRB335 Steel Rebars
- Ref Price:
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 800000TONS m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
- Credit Rating
- Credit Services
- Credit Purchasing
Specifications of HRB335 Steel Rebars:
Standard | GB | HRB335 | |
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 | ||
Application | building,construction,road,bridge etc | ||
Technique | Hot rolled | ||
Brand name | DRAGON |
Chemical Composition: (Please kindly find our chemistry of our material based on HRB335 as below for your information)
Grade | Technical data of the original chemical composition (%) | |||||
C | Mn | Si | S | P | B | |
HRB335 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 |
Physical capability | ||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | ||||
≥335 | ≥490 | ≥16 |
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 HRB335 Steel Rebars:
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 HRB335 Steel Rebars:
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
Steel Rebars in coil
production line of Steel Rebars
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:
- Storing steel rebars on-site requires following specific guidelines. Consider the following key guidelines: 1. To prevent distortion or bending, rebars should be stored on a flat, level surface. If the ground is uneven, create a stable storage area using wooden pallets or metal racks. 2. The storage area must be clean and free from debris that could damage the rebars. Avoid storing rebars directly on the ground or in areas prone to water accumulation. 3. Proper stacking is crucial to prevent rebars from toppling over. Stack them in an organized manner, aligning them vertically and horizontally. Use spacers or separators to maintain adequate spacing between the rebars and prevent contact. 4. When storing rebars outdoors, protect them from rain, snow, and moisture by covering them with a waterproof tarp or plastic sheeting. This prevents rust and corrosion. 5. If rebars are stored indoors, ensure proper ventilation to prevent moisture buildup. This is especially important in humid environments to prevent rusting. 6. Keep rebars away from potential sources of damage, such as heavy machinery, construction equipment, or high-traffic areas. This reduces the risk of accidental damage during construction activities. 7. Regularly inspect the rebars for any signs of damage, rust, or corrosion. If any rebars are found to be damaged, remove them from storage and replace them to maintain structural integrity in the construction project. By adhering to these guidelines, steel rebars can be stored safely while maintaining their structural integrity for use in construction projects.
- Q:
- Pile foundation construction heavily relies on steel rebars, as they serve a vital purpose. These foundations are designed to shift the weight of a structure to deeper layers of soil or rock, ensuring stability and preventing any settling. Steel rebars are utilized in this process to reinforce the concrete piles, thereby increasing their strength and durability. The primary function of steel rebars within pile foundation construction is to provide tensile strength to the concrete. Although concrete is strong under compression, it lacks the ability to withstand tension. By incorporating steel rebars into the concrete, it creates a reinforced structure capable of withstanding both compression and tension forces. In addition, steel rebars play a significant role in preventing cracking and providing structural integrity to the piles. As the piles are subjected to various loads, including vertical and lateral forces, the rebars distribute these loads evenly, preventing any cracking or failure of the concrete under stress. This ensures the stability and longevity of the pile foundation. Moreover, steel rebars contribute to the overall performance of the piles. They enhance the load-carrying capacity of the foundation, enabling it to support heavier structures or loads. The rebars also improve the resistance of the piles against external factors such as earthquakes, wind loads, and soil movement. In summary, steel rebars are essential in pile foundation construction, providing tensile strength, preventing cracking, and enhancing the overall performance and durability of the foundation. Their utilization ensures efficient load transfer and stability, making them an integral component in the construction of robust and dependable structures.
- Q:
- The purpose of using steel rebars in construction is to provide reinforcement and strength to concrete structures. Steel rebars enhance the structural integrity of buildings, bridges, and other constructions by improving their resistance to tension forces, preventing cracks, and enhancing overall durability.
- Q:
- Steel rebars can significantly enhance the fire resistance of concrete structures. The presence of steel rebars in concrete acts as reinforcement, providing added strength and stability to the structure. This reinforcement helps the concrete withstand the intense heat generated during a fire. The fire resistance of concrete structures is primarily due to the low thermal conductivity of concrete. When exposed to high temperatures, concrete undergoes a process called spalling, where the outer layer of the concrete breaks off due to the rapid expansion of water trapped within. However, the presence of steel rebars helps minimize spalling by holding the concrete together, preventing it from falling apart. Furthermore, steel rebars have a higher melting point compared to concrete. This means that even when exposed to extreme heat, the steel rebars retain their strength and integrity. As a result, the overall structural stability of the concrete structure is maintained, even under fire conditions. Steel rebars also act as a heat sink, absorbing and dissipating heat away from the surrounding concrete. This heat dissipation prevents localized hotspots from forming and spreading throughout the structure, minimizing the risk of structural failure. To improve the fire resistance of concrete structures further, special types of steel rebars, known as fire-resistant or fire-rated rebars, can be used. These rebars are specifically designed to withstand high temperatures for extended periods without losing their strength. They are often coated with materials such as epoxy or intumescent coatings that provide additional protection against fire. In conclusion, steel rebars play a crucial role in enhancing the fire resistance of concrete structures. Their presence improves the overall structural stability, minimizes spalling, dissipates heat, and provides added strength to withstand the intense heat generated during a fire.
- Q:
- The average tensile strength of steel rebars typically ranges from 400 to 600 megapascals (MPa). However, it is important to note that the specific tensile strength can vary depending on the grade and type of steel used in the manufacturing process. Higher grades of steel rebars can have tensile strengths exceeding 600 MPa. Additionally, factors such as the diameter and surface condition of the rebars can also influence their tensile strength.
- Q:
- Yes, steel rebars can be used in historical monument conservation. They can be used to reinforce and strengthen the structures of historical monuments, ensuring their long-term stability and preservation. However, it is important to use appropriate and compatible materials to maintain the authenticity and historical integrity of the monument. Proper planning, expertise, and consultation with conservation experts are crucial in determining the best approach for incorporating steel rebars in historical monument conservation.
- Q:
- Steel rebars distribute loads in concrete structures by providing reinforcement and increasing the tensile strength of the concrete. The rebars are typically placed in the concrete in a grid-like pattern, creating a network of support throughout the structure. When the concrete is subjected to external loads, such as the weight of the building or the force of an earthquake, the rebars help distribute the load more evenly across the structure. This prevents the concrete from cracking or failing under the stress. Rebars work by transferring the tensile forces to the surrounding concrete. While concrete is strong in compression, it is relatively weak in tension. The rebars act as a reinforcement, resisting the tensile forces and preventing the concrete from cracking. When a load is applied to the structure, the rebars bear a portion of the load and distribute it to adjacent rebars and the surrounding concrete, effectively increasing the overall strength and stability of the structure. The distribution of loads in concrete structures is also influenced by the spacing and diameter of the rebars. Properly spacing the rebars ensures that the load is evenly distributed, minimizing the risk of localized stress concentration. The diameter of the rebars also plays a role in load distribution, as larger diameter rebars can withstand higher loads and provide more reinforcement. In addition to load distribution, steel rebars also help control the propagation of cracks within the concrete. When cracks do occur, the rebars help prevent them from spreading by transferring the stress around the cracked area and maintaining the structural integrity of the concrete. Overall, steel rebars play a critical role in distributing loads in concrete structures by providing reinforcement, increasing tensile strength, and controlling crack propagation. Their strategic placement and proper sizing ensure that the loads are evenly distributed, enhancing the durability and longevity of the structure.
- Q:
- The crack resistance of concrete structures is greatly improved by steel rebars, which have a crucial role to play. When embedded in concrete, rebars provide reinforcement and boost the tensile strength of the structure. While concrete is naturally strong in compression, it is weak in tension, and rebars help overcome this weakness by absorbing the tensile forces that may result in cracks. The inclusion of rebars in concrete structures allows for stress redistribution, thereby preventing cracks from spreading. As concrete shrinks or experiences external loads, rebars act as a reinforcement grid, effectively resisting the formation and expansion of cracks. By absorbing and dispersing the tensile stresses, rebars ensure that the concrete remains intact and can withstand heavier loads without significant cracking. Furthermore, steel rebars contribute to the overall durability of concrete structures. When rebars corrode due to exposure to moisture or other environmental factors, they can increase in volume, resulting in internal pressure and potential cracking of the concrete. However, the use of corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, can greatly reduce this risk and enhance the crack resistance of the structure. To summarize, steel rebars enhance the crack resistance of concrete structures by providing reinforcement, increasing tensile strength, redistributing stress, and preventing crack propagation. Their presence guarantees that the structure can withstand various types of loads and environmental conditions, ultimately improving the strength and durability of the concrete.
- Q:
- Yes, steel rebars can be used in the construction of schools and universities. Steel rebars are commonly used as reinforcement in concrete structures to provide strength and durability. They help to enhance the structural integrity of the buildings, ensuring they can withstand the loads and stresses imposed on them. Steel rebars are widely used in various construction projects, including schools and universities, to ensure the safety and longevity of the structures.
- Q:
- Steel rebars contribute to the sustainability of a building in several ways. Firstly, the use of steel rebars in reinforced concrete structures enhances the overall strength and durability of the building, extending its lifespan. This reduces the need for frequent repairs or replacements, resulting in less material consumption and waste generation over time. Furthermore, steel rebars are made from recycled materials, with a significant portion being manufactured from scrap metal. This reduces the demand for virgin steel production, which is an energy-intensive process and contributes to carbon emissions. By utilizing recycled steel rebars, buildings can significantly reduce their carbon footprint and conserve natural resources. Additionally, steel rebars help in enhancing the structural integrity of the building, making it more resistant to various external forces such as earthquakes, hurricanes, and other natural disasters. This increased resilience reduces the potential for catastrophic damage and the subsequent need for major reconstruction or demolition, saving both resources and costs. Moreover, the use of steel rebars facilitates the construction of taller and more open spaces, allowing for efficient use of the building's footprint. This is particularly relevant in urban areas where land availability is limited. By enabling the construction of taller buildings, steel rebars contribute to urban densification, which helps in reducing urban sprawl and preserving natural habitats. Lastly, steel rebars are highly recyclable at the end of their service life. When a building is demolished, the steel rebars can be easily extracted and recycled, avoiding the accumulation of construction waste in landfills. Recycling steel rebars saves energy and reduces the need for extracting and processing virgin materials, further contributing to the sustainability of the construction industry. In conclusion, steel rebars play a crucial role in enhancing the sustainability of a building by increasing its durability, utilizing recycled materials, improving structural resilience, enabling efficient land use, and facilitating the recycling of materials at the end of a building's life cycle.
1. Manufacturer Overview |
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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 |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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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 |
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