• Cold Rolled Steel Rebar 14mm System 1
Cold Rolled Steel Rebar 14mm

Cold Rolled Steel Rebar 14mm

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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

Cold Rolled Techniques

Yield Point: 545-565mpa

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.

Q:Are steel rebars suitable for use in aggressive environments?
Indeed suitable for use in aggressive environments are steel rebars. Commonly utilized in construction projects, particularly in reinforced concrete structures, steel rebars possess high tensile strength and durability. However, when exposed to corrosive elements like moisture, chloride ions, and chemicals, corrosion may occur, leading to weakened rebars and compromised structural integrity of the concrete. To counteract this issue, protective materials such as epoxy or zinc are often applied to steel rebars, creating a barrier against corrosion. Moreover, stainless steel rebars, with their superior corrosion resistance properties, are also employed in aggressive environments. In conclusion, although steel rebars generally prove suitable for aggressive environments, it is essential to consider specific conditions and implement appropriate protective measures to prevent corrosion and uphold the longevity of the reinforced concrete structure.
Q:How are steel rebars used in parking structures?
Steel rebars are used in parking structures to reinforce and strengthen the concrete, increasing its load-bearing capacity and durability. They are typically placed in the concrete to resist tension and prevent cracking, ensuring the structure's stability and longevity.
Q:What is the process of anchoring steel rebars in masonry walls?
The process of anchoring steel rebars in masonry walls involves several steps to ensure a secure and reliable connection between the steel reinforcement and the masonry structure. 1. Design and planning: Before starting the anchoring process, it is important to have a detailed design and plan for the reinforcement layout in the masonry wall. This includes determining the spacing, size, and placement of the rebars based on the structural requirements. 2. Preparation: The masonry wall must be prepared by cleaning the surface and removing any loose debris or obstructions. This ensures a clean and stable base for the rebars. 3. Drilling: Next, holes are drilled into the masonry wall at predetermined locations according to the reinforcement design. These holes are typically slightly larger than the diameter of the rebars to allow for easy insertion. 4. Cleaning and bonding agent application: After drilling, the holes are cleaned to remove any dust or debris. A bonding agent, such as epoxy or cementitious grout, is then applied to the holes. This helps to enhance the bond between the rebars and the masonry wall. 5. Insertion of rebars: The steel rebars are inserted into the prepared holes, ensuring they are aligned according to the reinforcement design. The rebars should be pushed into the holes until they reach the desired depth, ensuring they are fully embedded in the bonding agent. 6. Curing: After the rebars are in place, the bonding agent needs time to cure and harden. The curing time varies depending on the type of bonding agent used and the environmental conditions. Following the recommended curing time is crucial to ensure the rebars are securely anchored in the masonry wall. 7. Quality control: Once the curing process is complete, a thorough inspection is conducted to ensure the rebars are properly anchored and meet the required specifications. This includes checking for proper alignment, depth, and overall stability. By following these steps, the process of anchoring steel rebars in masonry walls provides structural reinforcement and strength to the overall masonry structure, enhancing its durability and resistance to various forces and loads.
Q:Are steel rebars resistant to lightning strikes?
No, steel rebars are not inherently resistant to lightning strikes.
Q:What is the role of steel rebars in foundation slabs?
Steel rebars play a crucial role in foundation slabs as they provide reinforcement and strength to the concrete. The rebars are strategically placed within the slab to distribute and withstand the load and stresses that the foundation may experience. This helps prevent cracks, increase durability, and enhance the overall structural integrity of the foundation slab.
Q:What is the role of steel rebars in reducing concrete creep?
Steel rebars play a crucial role in reducing concrete creep by providing additional tensile strength to the concrete structure. As concrete is prone to creep, which is the gradual deformation over time due to sustained loads, rebars act as reinforcement to counteract this phenomenon. By resisting the tension forces that cause creep, steel rebars help maintain the structural integrity and stability of the concrete, thus minimizing any potential deformations or cracks.
Q:Can steel rebars be used in thin concrete elements?
Yes, steel rebars can be used in thin concrete elements. However, it is important to ensure that the rebars are properly spaced and adequately covered with concrete to provide sufficient strength and durability to the structure. Additionally, the design and placement of rebars should be carried out in accordance with the specific requirements and recommendations of the construction codes and standards.
Q:How are steel rebars tested for tensile strength?
Steel rebars are tested for tensile strength by subjecting them to a controlled force in a testing machine. This machine applies an increasing load to the rebar until it fractures. The maximum force applied to the rebar before it breaks is then recorded as the tensile strength.
Q:What specifications should be used for the three - step steel electroslag pressure welding electrode?
The electrode (coveredelectrode), is the metal coating in the welding core (coating), uniform centripetal pressure applied to core. The core metal cored electrode, in order to ensure the quality and performance of the weld, there are strict rules on the contents of metal elements in the core, especially for harmful impurities (such as sulfur, phosphorus content, etc.) should be strictly restricted, better than the base metal. The electrode consists of two cores and coating composition. The different cores are also different. The core components directly affect the composition and properties of the weld metal, so the harmful elements in the welding core to as little as possible.
Q:Can steel rebars be used in cold weather concreting?
Yes, steel rebars can be used in cold weather concreting. However, certain precautions need to be taken to ensure that the concrete sets properly and the rebars do not experience any issues due to the cold temperatures. These precautions may include using additives in the concrete mix to improve its cold weather performance, providing proper insulation and heating to protect the concrete during curing, and implementing proper construction practices to prevent freezing and thawing cycles that can damage the rebars.

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