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 

TechniqueSlitting 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

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:
Steel rebars play a vital role in the construction of sports arenas and stadiums as they provide reinforcement and structural support to concrete elements such as columns, beams, and slabs. These rebars help enhance the overall strength and stability of the structures, ensuring they can withstand the heavy loads and stresses experienced in stadiums. Additionally, steel rebars also contribute to the durability and longevity of sports arenas by preventing cracking and structural failure caused by factors like vibrations, temperature changes, and seismic activity.
Q:
In marine construction, several types of steel rebars are commonly used due to their specific properties and resistance to corrosion in saltwater environments. The different types of steel rebars used in marine constructions include: 1. Stainless steel rebars: Stainless steel rebars are highly resistant to corrosion, making them an ideal choice for marine applications. They contain chromium, which forms a protective oxide layer on the surface, preventing rust and corrosion. Stainless steel rebars are available in various grades, such as 304 and 316, with 316 being the most commonly used due to its higher corrosion resistance. 2. Galvanized steel rebars: Galvanized steel rebars are carbon steel rebars that have been coated with a layer of zinc. This coating acts as a barrier, protecting the steel from saltwater corrosion. Galvanized rebars are cost-effective and widely used in marine constructions. 3. Epoxy-coated steel rebars: Epoxy-coated rebars are carbon steel rebars that have been coated with an epoxy layer. This coating provides excellent protection against corrosion by acting as a barrier between the steel and the saltwater environment. Epoxy-coated rebars are commonly used in marine structures where the concrete is exposed to seawater or other corrosive agents. 4. Fiberglass rebars: Fiberglass rebars are made of high-strength glass fibers embedded in a polymer matrix. They are lightweight, non-corrosive, and have high tensile strength. Fiberglass rebars are an excellent alternative to traditional steel rebars in marine constructions, as they do not corrode in saltwater environments. 5. Titanium rebars: Titanium rebars are extremely corrosion-resistant and lightweight, making them suitable for marine applications. However, titanium rebars are more expensive than other types of steel rebars and are typically used in high-performance marine structures or specific applications where corrosion resistance is critical. Each type of steel rebar mentioned above has its own advantages and limitations, and the selection of the appropriate type depends on factors such as the project requirements, budget, and environmental conditions. It is essential for engineers and designers to consider these factors and choose the most suitable steel rebar for marine construction projects to ensure the durability and longevity of the structures.
Q:How many roots per ton of 18 thread steel?
If it is 9 meters per point, the weight of one is 18kg, and there are 55.5 in one tonIf it is 12 meters per point, a weight of 24kg, a ton there are 41.6.
Q:
The lifespan of steel rebars can vary depending on various factors such as the quality of the steel, environmental conditions, and maintenance practices. Generally, steel rebars have a long lifespan and are designed to provide structural reinforcement for many years. With proper installation and maintenance, steel rebars can last for several decades or even more than a century. However, factors like exposure to corrosive environments or lack of maintenance can significantly reduce their lifespan. Regular inspections, protective coatings, and proper drainage systems can help extend the lifespan of steel rebars and ensure their long-term durability.
Q:
When it comes to welding steel rebars, there are some recommended practices that ensure a strong and reliable bond. These practices include: 1. Cleanliness: Before welding, it is crucial to ensure that the rebar surfaces are clean and free from any contaminants such as dirt, rust, or grease. A thorough cleaning can be achieved through wire brushing or sandblasting. 2. Preheat: Preheating the steel rebars before welding can help reduce the risk of cracking and improve the quality of the weld. The preheating temperature will depend on the rebar's thickness and the specific welding procedure being used. 3. Welding process: There are various welding processes suitable for steel rebars, with the most commonly used being shielded metal arc welding (SMAW) and gas metal arc welding (GMAW). The choice of process will depend on factors such as the rebar size, project requirements, and local regulations. 4. Electrodes and filler material: Selecting the appropriate electrodes and filler material is crucial for achieving a strong and durable weld. It is recommended to use electrodes and filler materials that match the rebar's carbon content and strength. 5. Welding technique: Employing proper welding techniques, such as maintaining a consistent arc length, controlling the travel speed, and ensuring proper joint alignment, will help produce high-quality welds. 6. Post-weld treatment: After welding, it is essential to allow the welded rebars to cool gradually to avoid thermal stress. It is also recommended to perform post-weld treatments, such as stress relieving, to minimize residual stresses and improve the weld's integrity. 7. Inspection and testing: Conducting regular visual inspections and non-destructive testing, such as ultrasonic or magnetic particle testing, can help ensure the quality and integrity of the welded rebar joints. 8. Compliance with codes and standards: Always adhere to the relevant welding codes and standards specified by local authorities or project requirements. Compliance ensures that the welding process and quality meet the necessary specifications and safety guidelines. It is important to note that welding steel rebars should be performed by trained and qualified personnel who are well-versed in welding techniques and safety practices. Following these recommended practices will help ensure the strength, durability, and safety of steel rebar welds.
Q:
Yes, steel rebars are susceptible to stress corrosion cracking, particularly in environments with high chloride content such as coastal regions or areas with deicing salts. The combination of tensile stress, corrosion, and the presence of certain corrosive agents can lead to the formation and propagation of cracks, compromising the structural integrity of the rebars.
Q:
Yes, there are potential health and safety concerns related to steel rebars. Handling and working with steel rebars can pose risks such as cuts, injuries from falling or displaced rebars, and musculoskeletal disorders due to heavy lifting or repetitive movements. Additionally, workers may be exposed to hazards during the fabrication process, such as welding fumes or noise pollution. Adequate safety measures, including personal protective equipment and proper training, should be implemented to mitigate these risks and ensure a safe working environment.
Q:
Steel rebars play a crucial role in enhancing the flexibility and overall strength of concrete structures. When incorporated into concrete, rebars provide tensile strength, which is essential for resisting bending and stretching forces that can cause cracks or failure in the structure. Concrete is strong in compression but weak in tension. This means that it can withstand a significant amount of weight pushing down on it, but it is prone to cracking or breaking when subjected to pulling or stretching forces. By adding steel rebars to the concrete, its tensile strength is significantly increased, allowing it to better resist these tension forces. The presence of rebars in concrete structures allows them to distribute loads more evenly and efficiently. When subjected to external forces such as wind, earthquakes, or heavy loads, the rebars help to distribute the stress throughout the concrete, preventing concentrated stress points and minimizing the risk of structural failure. Furthermore, steel rebars also enhance the flexibility of concrete structures. By providing additional support and reinforcement, rebars allow the concrete to bend and flex to a certain extent. This flexibility is crucial, especially in areas prone to seismic activity or where excessive vibrations occur. Flexibility in concrete structures is essential as it allows the building to absorb and dissipate energy during earthquakes or other dynamic forces. Without the presence of rebars, concrete structures would be more rigid and prone to cracking or collapsing under such conditions. In summary, steel rebars greatly improve the flexibility and overall performance of concrete structures. By providing the necessary tensile strength and reinforcement, they enable the concrete to withstand bending, stretching, and external forces more effectively, reducing the risk of structural failure and ensuring the longevity and durability of the construction.
Q:
Yes, steel rebars can affect the overall aesthetics of a building. While they are primarily used for structural purposes and are typically hidden within the concrete, they can sometimes be visible in areas such as balconies, staircases, or exposed beams. In such cases, the appearance of the steel rebars can impact the visual appeal of the building. However, with proper design and execution, it is possible to incorporate steel rebars in a way that enhances the aesthetics, such as through decorative patterns or finishes.
Q:
Steel rebars play a crucial role in the overall construction timeline as they significantly impact the speed and efficiency of the construction process. The use of steel rebars helps in reinforcing the concrete structures, providing strength, durability, and resistance to the overall construction project. Firstly, steel rebars enable faster construction by reducing the curing time of concrete. When embedded within the concrete, rebars help to distribute the load evenly, making the structure stronger and allowing for quicker construction. This is especially important in high-rise buildings or large-scale projects where time is of the essence. Moreover, steel rebars enhance the structural integrity of the construction, ensuring that it can withstand various forces such as earthquakes, wind, and heavy loads. By reinforcing the concrete, rebars prevent cracks and failures, enhancing the longevity and safety of the building. This reduces the need for costly repairs or renovations in the future, thereby saving time in the long run. Additionally, the use of steel rebars allows for flexibility in design and construction. With rebars, architects and engineers can create complex structures, such as curved or irregular shapes, without compromising on strength or stability. This versatility reduces the time required for design modifications and construction alterations, enabling a faster overall timeline. Furthermore, steel rebars are readily available in the market and are manufactured to meet specific industry standards. This ensures a consistent supply of high-quality materials, reducing delays caused by material shortages or quality issues. Contractors can easily procure rebars, allowing for a smooth workflow and timely completion of the construction project. In conclusion, steel rebars have a significant impact on the overall construction timeline. They accelerate the construction process, increase the structural integrity, allow for design flexibility, and ensure a consistent supply of materials. By incorporating steel rebars into construction projects, contractors can save time, reduce potential setbacks, and deliver projects within the desired timeframe.

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