EN STANDARD HIGH QUALITY HOT ROLLED REBAR

EN STANDARD HIGH QUALITY HOT ROLLED REBAR

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

Appearance: Black

Technique: Slitting hot rolled steel coil

Grade: Q235, Q195,A36 SS400 S235jr.St37-2

Standard: AISI,GB,DIN,ASTM,EN,JIS

Length: 6m, 9m, 12m or as your requirement.

Width: 10mm-1010mm

Thickness: 1.5mm-20mm

Business type: big manufacture

Place of origin: Tianjin China (Mainland)

Packaging Details: In bundles for exporting and sea worthy

Delivery Detail: Within 15-35 days after receiving L/C or deposite T/T

EN STANDARD HIGH QUALITY HOT ROLLED REBAR

General specification as below:

Flat Bar Specification
Width (mm)	Thickness (mm)	Length (m)	Theoretical Weight (kg/m)
20	2.0	6/9/12	0.31
20	2.5	6/9/12	0.39
20	2.75	6/9/12	0.43
25	2.5	6/9/12	0.49
25	3.75	6/9/12	0.74
30	2.5	6/9/12	0.59
30	3.5	6/9/12	0.82
30	9.75	6/9/12	2.30
40	3.5	6/9/12	1.10
40	4.75	6/9/12	1.50
40	11.75	6/9/12	3.69
50	2.75	6/9/12	1.08
50	4.5	6/9/12	1.77
50	9.75	6/9/12	3.83
60	5.5	6/9/12	2.60
60	7.5	6/9/12	3.53
60	11.5	6/9/12	5.42
80	5.5	6/9/12	3.45
80	7.5	6/9/12	4.71
80	11.75	6/9/12	7.38
100	3.25	6/9/12	2.55
100	4.75	6/9/12	3.73
100	7.5	6/9/12	5.89
120	9.75	6/9/12	9.18
120	11.75	6/9/12	11.07
150	9.75	6/9/12	11.48
150	11.5	6/9/12	13.54
150	13.5	6/9/12	15.90
160	11.75	6/9/12	14.76
200	9.5	6/9/12	14.92
250	5.75	6/9/12	11.28
340	7.75	6/9/12	20.68

Products Advantages

1. high quality competitive price and Accurate in size

2. high dimensional accuracy

3. Guaranteed raw material

4.high utilization rate of material

5.convenient in construction, saving much time and labor

6. high mechanical strength

Application: Widely used for construction, Ship building, Machinery manufacturing ,steel structure,agriculture and steel grating.

Q: Can steel rebars be used in structures with high vibrations?: Yes, steel rebars can be used in structures with high vibrations. Steel rebars are commonly used in construction projects, including those with high vibrations, to reinforce concrete and provide stability. The strong and durable nature of steel rebars helps to absorb and distribute the vibrations, minimizing any potential damage to the structure. However, it is important to ensure that the design and installation of steel rebars are done correctly to effectively withstand and manage the vibrations.

Q: What are the environmental impacts of using steel rebars in construction?: The utilization of steel rebars in construction yields various environmental effects, both advantageous and disadvantageous. One of the positive consequences is that steel possesses exceptional durability and longevity, resulting in structures constructed with steel rebars having an extended lifespan. Consequently, the frequency of repairs or replacements is reduced, thereby diminishing the accumulation of waste over time. Nevertheless, the manufacture of steel rebars entails considerable adverse environmental outcomes. The production of steel involves the extraction and processing of iron ore, which necessitates extensive mining operations. These mining activities contribute to deforestation, the destruction of habitats, and soil erosion. Furthermore, the extraction and processing of iron ore consume substantial amounts of energy, thereby emitting greenhouse gases and polluting the air. Additionally, the manufacturing process of steel rebars entails the utilization of various chemicals, such as limestone and coke, which, if not adequately managed, can detrimentally affect local ecosystems and water sources. The discharge of pollutants and waste products during steel production can also contribute to water and soil pollution. Furthermore, the transportation of steel rebars from production facilities to construction sites entails environmental implications. Long-distance transportation can result in heightened carbon emissions and energy consumption, particularly when importing rebars from distant locations. To mitigate these environmental impacts, sustainable practices can be implemented in the production and utilization of steel rebars. The recycling of steel is an essential measure in reducing the demand for new production and minimizing the environmental footprint. By employing recycled steel, the energy consumption and greenhouse gas emissions associated with production can be significantly diminished. Moreover, the implementation of efficient transportation methods, such as utilizing rail or waterways instead of trucks, can diminish the carbon footprint of steel rebars. In conclusion, while steel rebars offer durability and longevity in construction, their production and utilization bear significant environmental implications. The adoption of sustainable practices and an emphasis on recycling can help mitigate the negative impacts and render their use more environmentally friendly.

Q: Can steel rebars be used in tunnels and underground structures?: Yes, steel rebars can be used in tunnels and underground structures. They are commonly used to reinforce and strengthen the concrete used in these structures, providing additional stability and load-bearing capacity.

Q: Are there any alternatives to steel rebars?: Yes, there are several alternatives to steel rebars in construction. Some common alternatives include fiber-reinforced polymer (FRP) rebars, basalt rebars, and glass-fiber-reinforced polymer (GFRP) rebars. These alternatives offer advantages such as corrosion resistance, lightweight, and high tensile strength, making them suitable for various construction applications. However, the choice of rebars depends on specific project requirements and structural considerations.

Q: What is the purpose of using steel rebars in construction?: 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: What are the different types of steel rebars used in railway construction?: There are primarily two types of steel rebars used in railway construction: plain carbon steel rebars and epoxy-coated rebars. Plain carbon steel rebars are commonly used due to their high strength and durability. Epoxy-coated rebars, on the other hand, are used in areas prone to corrosion, as the epoxy coating provides an additional layer of protection against moisture and other corrosive elements.

Q: How are steel rebars identified based on their grades?: Steel rebars are identified based on their grades through a specific marking system. The grade of a steel rebar indicates its tensile strength and other mechanical properties. This identification is crucial for construction purposes as it ensures the proper use of rebars based on their strength requirements. The marking system used for identifying steel rebars typically involves a series of numbers, letters, or symbols. The most common method is to mark the rebar with a series of numbers that represent the minimum yield strength of the steel. For example, a rebar with a grade of 40 will have "40" stamped on it, indicating a minimum yield strength of 40,000 pounds per square inch (psi). In addition to the numerical marking, some rebars may also have letters or symbols to provide more detailed information about their characteristics. These additional markings can include the type of steel used, such as "A" for mild steel or "W" for weldable steel. Other symbols may indicate the rebar's country of origin or specific manufacturer information. It is important to note that different countries and regions may have their own specific marking systems and standards for identifying steel rebars. Therefore, it is essential to consult the local building codes or regulations to understand the specific grading system used in a particular area. Overall, the grade markings on steel rebars provide crucial information about their strength and mechanical properties, enabling engineers, contractors, and construction workers to select and use the appropriate rebars for different structural applications.

Q: What are the guidelines for proper handling and disposal of steel rebars on construction sites?: The guidelines for proper handling and disposal of steel rebars on construction sites are as follows: 1. Handling: - Wear appropriate personal protective equipment (PPE) such as gloves and safety glasses when handling steel rebars. - Lift and carry rebars properly using your legs and not your back to prevent injuries. - Do not throw or drop rebars as this can cause damage to the surrounding area and potentially harm workers. 2. Storage: - Store rebars in a designated area that is easily accessible and away from traffic or other hazards. - Stack rebars vertically to prevent them from rolling or falling. - Use racks or shelves to organize rebars and prevent them from getting tangled or damaged. 3. Disposal: - Rebars that are damaged or have reached the end of their usable life should be disposed of properly. - Contact local waste management authorities to determine the specific disposal requirements for steel rebars in your area. - If recycling is available, consider sending the rebars to a recycling facility to reduce waste and promote sustainability. - Do not dispose of steel rebars in regular trash bins or open areas, as they can pose a safety hazard. 4. Transportation: - When moving rebars within the construction site or transporting them to another location, secure them properly to prevent them from falling off the vehicle or causing damage. - Use appropriate vehicles such as trucks or trailers with sufficient tie-down points to ensure proper transportation. 5. Training and Communication: - Ensure that all workers involved in handling and disposal of steel rebars are properly trained on the guidelines and safety procedures. - Clearly communicate the guidelines to all workers, including subcontractors or temporary workers, to ensure consistent adherence to the rules. - Regularly review and update the guidelines as necessary to address any evolving safety concerns or regulatory changes. By following these guidelines, construction sites can promote a safe and organized working environment while ensuring proper handling and disposal of steel rebars.

Q: How do steel rebars contribute to the overall sustainability of the construction industry?: Steel rebars contribute to the overall sustainability of the construction industry in several ways. Firstly, steel rebars are made from recycled materials, reducing the demand for new resources and minimizing the environmental impact of steel production. Additionally, steel rebars are highly durable and have a long lifespan, ensuring the longevity and stability of structures, reducing the need for frequent repairs or replacements. Moreover, the use of steel rebars in reinforced concrete allows for the construction of taller and more complex structures, maximizing the efficient use of land and reducing the need for additional construction projects. Overall, steel rebars play a crucial role in improving the sustainability of the construction industry by promoting resource conservation, durability, and efficient construction practices.

Q: Can steel rebars be used in historical buildings restoration?: Yes, steel rebars can be used in the restoration of historical buildings. Steel rebars are commonly used in construction and can provide structural reinforcement to strengthen the existing structures of historical buildings. When carefully implemented, steel rebars can help restore the stability and integrity of these buildings while preserving their historical significance. However, it is important to consider the specific requirements and guidelines for historical building restoration to ensure that the use of steel rebars does not compromise the authenticity or aesthetic value of the structure. Proper planning, consultation with preservation experts, and adherence to conservation principles are essential to successfully incorporate steel rebars in the restoration process of historical buildings.

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