HR Steel Rebar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 800000MT/YEAR m.t./month
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Specifications of HR Steel Rebar:
Standard | GB | HRB335 HRB400 HRB500 | |
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 | ||
Quality | First quality, the goods are from Chinese big manufacturers. | ||
Type | Hot rolled steel rebar | ||
Brand name | DRAGON | ||
Chemical Composition: (Please kindly find our chemistry of our material based on HRB335, HRB400,HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | |||||
C | Mn | Si | S | P | Ceq | |
HRB335 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.52 |
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.54 |
HRB500 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.55 |
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2.00 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
50 | 1964 | 15.42 |
Usage and Applications of HR 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 HR 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.
Each bundle weight: 2-3MT, or as required
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Steel Rebar in stock
Steel Rebar in production line
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:8 mm thread steel, how much is a bundle?
- A bundle should say the exact number, and the theoretical weight of the 8 mm thread steel and 8 mm round bar is equal! They weigh 0.395 kilos per metre.
- Q:Can steel rebars be used in railway construction?
- Yes, steel rebars can be used in railway construction. They are commonly used to reinforce concrete structures such as railway track foundations, bridges, and retaining walls. The use of steel rebars provides added strength and durability to withstand the heavy loads and constant vibrations associated with railway operations.
- Q:Are steel rebars resistant to extreme temperatures?
- Yes, steel rebars are generally resistant to extreme temperatures. Steel has a high melting point and can withstand both high and low temperatures without significant structural changes or loss of strength. However, extremely high temperatures can cause some degradation in the rebar's mechanical properties over time.
- Q:What is the purpose of steel rebars in construction?
- The purpose of steel rebars in construction is to provide reinforcement and strength to the concrete structures, increasing their load-bearing capacity and resistance to tension and bending forces.
- Q:What are the guidelines for handling and installing steel rebars in construction sites?
- The guidelines for handling and installing steel rebars in construction sites typically include the following: 1. Storage: Steel rebars should be stored on a flat and dry surface, preferably on elevated racks to prevent contact with the ground and avoid rusting or damage. 2. Transportation: Rebars should be moved using appropriate lifting equipment, such as cranes or forklifts, to prevent excessive bending or mishandling. 3. Inspection: Rebars should be inspected for any defects, such as bends, cracks, or excessive rust, before installation. Damaged rebars should not be used. 4. Cutting and bending: Rebars should be cut and bent using appropriate tools and equipment, following the specifications and dimensions provided in the construction plans. 5. Placement: Rebars should be placed accurately and securely within the concrete structures, ensuring proper alignment and spacing as per the design requirements. 6. Tying: Rebars should be securely tied together using wire or approved tying methods at the intersections to maintain the desired positions during concrete pouring. 7. Embedment: Rebars should be properly embedded within the concrete to ensure sufficient coverage, typically complying with the minimum concrete cover specified in the design. 8. Safety: Adequate personal protective equipment (PPE), such as gloves and safety boots, should be worn by workers during rebars handling and installation to prevent injuries. It is important to note that specific construction projects and local regulations may have additional guidelines or requirements for handling and installing steel rebars. Therefore, it is crucial to refer to the project specifications and consult with relevant experts or authorities for comprehensive guidelines.
- Q:Are there any environmental concerns related to the production of steel rebars?
- The production of steel rebars raises several environmental concerns, including the significant energy requirement for steel production. To produce steel, large amounts of fossil fuels like coal and natural gas are used, contributing to greenhouse gas emissions and climate change. Another concern is the extraction and mining of iron ore, the main raw material for steel production. This process can result in deforestation, habitat destruction, and soil erosion. Moreover, mining generates substantial waste material that can contaminate nearby water sources. In addition, the steel production process emits air pollutants such as particulate matter, sulfur dioxide, and nitrogen oxides. These pollutants can harm air quality and human health, causing respiratory problems and contributing to the formation of smog. It is worth noting that the steel industry is taking steps to address these environmental concerns. For instance, many steel producers are adopting more energy-efficient technologies and exploring alternative energy sources to reduce carbon emissions. Additionally, the recycling of steel is becoming more widespread, conserving resources and reducing the environmental impact of steel production. Overall, although the production of steel rebars does present environmental concerns, ongoing efforts are being made to mitigate these impacts and make the process more sustainable.
- Q:How are steel rebars identified based on their grades?
- Steel rebars are identified based on their grades through markings or labels on the surface of the rebars. These markings typically indicate the grade of the steel rebars, which is determined by the strength and composition of the steel.
- Q:What is the role of steel rebars in preventing concrete spalling due to fire?
- The role of steel rebars in preventing concrete spalling due to fire is crucial. Spalling is the process where concrete cracks, breaks, or flakes off under extreme heat, such as in a fire. Steel rebars, also known as reinforcement bars, are embedded within the concrete structure to enhance its strength and durability. During a fire, the temperature can rise rapidly, causing the moisture within the concrete to turn into steam. This steam generates pressure within the concrete, leading to spalling. However, the presence of steel rebars helps to mitigate this issue. Steel has a higher melting point than concrete and possesses excellent thermal conductivity. When exposed to high temperatures, the steel rebars conduct and dissipate the heat more efficiently compared to the surrounding concrete. This heat transfer helps to minimize the temperature gradient within the concrete, reducing the risk of spalling. Furthermore, steel rebars act as a reinforcement to hold the concrete together. In the event of spalling, the rebars help to maintain the structural integrity of the concrete by preventing it from completely disintegrating. They provide additional strength and support to the concrete, making it more resistant to cracking and breaking. In summary, steel rebars play a vital role in preventing concrete spalling due to fire. They dissipate heat, minimize temperature gradients, and provide structural support to the concrete. By enhancing the fire resistance of the concrete, steel rebars contribute to the overall safety and longevity of the structure.
- Q:Can steel rebars be used in retaining walls?
- Yes, steel rebars can be used in retaining walls. Steel rebars are commonly used in the construction of retaining walls to provide reinforcement and increase the structural integrity of the wall. They help to prevent cracking and ensure the wall can withstand lateral pressure from the retained soil or other materials.
- Q:Can steel rebars be used for both residential and commercial constructions?
- Indeed, steel rebars find utility in both residential and commercial constructions. These sturdy reinforcement materials are frequently employed in concrete structures, imparting them with resilience and steadfastness. Whether it be a residential abode or a commercial edifice, steel rebars are apt for diverse construction ventures. Their utilization guarantees longevity and structural soundness in both domains. Furthermore, steel rebars can be tailored to accommodate specific project prerequisites, rendering them adaptable and fitting for a myriad of applications in residential and commercial construction alike.
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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HR Steel Rebar
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25MT m.t.
- Supply Capability:
- 800000MT/YEAR m.t./month
OKorder Service Pledge
OKorder Financial Service
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