DIN STANDARD HIGH QUALITY HOT ROLLED REBAR

DIN STANDARD HIGH QUALITY HOT ROLLED REBAR System 1

DIN 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

DIN 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:How do steel rebars affect the weight of a concrete structure?: Steel rebars can have a significant impact on the weight of a concrete structure. Rebars, which are typically made of steel, are used to reinforce the concrete and enhance its strength and durability. These rebars are usually placed in the areas of concrete that are under tension, such as the bottom of beams or the middle of slabs. While the steel rebars themselves contribute to the overall weight of the structure, their presence allows for the use of less concrete. By adding reinforcement, the concrete can withstand higher loads and stresses, reducing the need for excessive amounts of concrete. This leads to a lighter structure overall. Additionally, the use of steel rebars enables the design and construction of more slender and efficient structures. The enhanced strength provided by the rebars allows for longer spans and thinner sections, resulting in reduced dead load. This not only reduces the weight of the structure but also allows for more flexibility in architectural and structural design. Moreover, the weight of a concrete structure is a critical consideration, especially in high-rise buildings or long-span structures. Excessive weight can put strain on the foundation and increase construction costs. By utilizing steel rebars, the weight of the concrete structure can be optimized without compromising its structural integrity. In summary, steel rebars play a crucial role in reducing the weight of concrete structures. They allow for the use of less concrete while maintaining the required strength, resulting in lighter and more efficient structures. The use of rebars also provides flexibility in design and reduces construction costs associated with excessive weight.

Q:What are the guidelines for reinforcing concrete slabs with steel rebars?: The guidelines for reinforcing concrete slabs with steel rebars involve several key considerations. Firstly, the rebars should be placed in the lower portion of the slab, typically in a grid pattern, to provide tensile strength and prevent cracking. The spacing and size of the rebars should be determined based on the load and requirements of the specific slab. Additionally, proper lap length and overlap of rebars should be ensured at intersections to maintain structural integrity. Lastly, it is important to follow local building codes and standards to ensure compliance and safety.

Q:How are steel rebars used in the construction of power plants?: Due to their strength and durability, steel rebars are widely used in power plant construction. These reinforced steel bars are essential for providing structural support and reinforcement to the concrete components of the power plant. One important application of steel rebars in power plant construction is in the construction of foundations and structural members. These foundations need to be strong and stable to support heavy equipment and machinery, as well as withstand dynamic loads and vibrations. To enhance the structural integrity and resistance to compressive and tensile forces, steel rebars are embedded within the concrete foundation. In addition to foundations, steel rebars are also utilized in the construction of walls, columns, and beams in power plants. These elements play a crucial role in supporting the overall structure and ensuring its stability. By adding steel rebars to the concrete mix, the resulting reinforced concrete components can withstand higher loads and resist cracking or deformation under stress. Furthermore, steel rebars are employed in the construction of containment structures in nuclear power plants. These structures are designed to confine any potential release of radioactive materials in case of accidents or incidents. By incorporating steel rebars into the concrete walls and floors of these containment structures, their strength and resistance to impact and penetration are significantly improved, thus enhancing the safety and security of the power plant. In summary, steel rebars are of utmost importance in power plant construction as they provide reinforcement to concrete elements, ensuring the structural integrity and long-lasting nature of the facility. Their use enhances the strength, durability, and safety of the power plant, enabling it to withstand various operational and environmental conditions.

Q:How are steel rebars used in construction?: Steel rebars, also known as reinforcing bars, play a crucial role in construction projects. They are primarily used to reinforce concrete structures and provide strength and stability to building elements such as beams, columns, slabs, and foundations. In construction, rebars are typically laid in a grid pattern within the concrete formwork before pouring the concrete. This grid formation allows the rebars to distribute the tensile forces that occur in concrete structures, preventing cracking and enhancing structural integrity. The rebars are carefully placed at specific locations within the concrete elements based on the design and engineering specifications. They are generally spaced apart at predetermined intervals to ensure optimal reinforcement and to bear the anticipated loads. During the concrete pouring process, the wet concrete fully envelops the rebars, creating a bond between the two materials. As the concrete hardens and cures, it tightly grips the rebars, creating a composite structure that can resist bending, shearing, and other types of stress. Steel rebars are available in various sizes and grades, depending on the specific requirements of the construction project. They are typically made from carbon steel and may have different surface finishes to enhance their bonding capabilities with concrete. In addition to providing strength, rebars also help in controlling cracking caused by shrinkage, temperature changes, and external forces. By absorbing and distributing these forces, they minimize the risk of structural failure and ensure the overall stability and durability of the concrete components. Overall, steel rebars are essential components in construction as they reinforce concrete structures, increase load-bearing capacity, and enhance the longevity of buildings and infrastructure. Their proper placement and utilization are critical for building resilience, safety, and structural integrity.

Q:What is the difference between rebar and round steel?: The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished hot rolled steel bar is delivered in hot rolling forming, normalizing or hot rolling state

Q:What is the role of steel rebars in the construction of power transmission towers?: The role of steel rebars in the construction of power transmission towers is to provide structural reinforcement and strength to the concrete foundations and columns. Steel rebars act as a framework within the concrete, helping to distribute the load and withstand the forces exerted on the towers, including wind, seismic activity, and the weight of the transmission lines. They enhance the overall stability and durability of the towers, ensuring their ability to safely support and transmit electrical power.

Q:What are the challenges associated with the installation of steel rebars?: The installation of steel rebars presents numerous challenges. Firstly, the weight of the rebars can pose a significant obstacle. These heavy structures may require the use of heavy machinery or manual labor to lift and maneuver them into position, potentially endangering workers' safety and demanding additional time and resources for proper installation. Secondly, accurately placing the rebars can be a complex task, particularly in intricate or complicated structures. Achieving precise positioning according to design and structural requirements proves challenging in areas with limited accessibility or congested reinforcement zones. Skilled labor and careful coordination with other trades involved in the construction process are necessary. Another challenge relates to protecting the rebars from corrosion. When exposed to moisture and environmental chemicals, steel rebars are prone to corrosion. Consequently, appropriate measures must be implemented to ensure adequate corrosion protection, such as applying protective coatings or ensuring sufficient concrete cover. This adds complexity to the installation process. Additionally, seamless integration between different construction teams is crucial in rebar installation. Properly integrating the rebars with other structural elements like columns, beams, and walls requires effective communication and collaboration among the design team, steel fabricators, and construction teams. Failure to achieve such coordination may result in conflicts or delays. Furthermore, working at heights or in confined spaces poses additional challenges in terms of safety and accessibility during rebar installation. To mitigate associated risks, it is imperative to implement adequate safety measures, including scaffolding, harnesses, and providing workers with appropriate training. Lastly, the cost of steel rebars can be a challenge, particularly when facing budgetary constraints. As a significant component of the construction process, the cost of rebars may fluctuate due to market conditions or availability. Consequently, project managers must meticulously plan and budget for rebar installation to avoid unexpected cost overruns. In conclusion, the installation of steel rebars presents a multitude of challenges, encompassing the weight of the rebars, accurate placement, corrosion protection, coordination with other trades, working at heights or in confined spaces, and cost considerations. Addressing these challenges necessitates skilled labor, thorough planning, effective communication, and adherence to safety protocols.

Q:How do steel rebars resist fatigue and creep?: Steel rebars resist fatigue and creep through their inherent material properties and proper design considerations. Fatigue refers to the gradual weakening of a material under repeated cyclic loading. Steel rebars are specifically designed to withstand fatigue by their high tensile strength and ductility. The tensile strength of steel allows it to resist the stress caused by cyclic loading, while its ductility allows it to deform without fracturing. This combination of properties enables steel rebars to endure numerous load cycles without failure. Additionally, steel rebars can be further enhanced to resist fatigue by employing various techniques such as heat treatment, surface coatings, and alloying. These methods improve the material's fatigue resistance and extend its service life under cyclic loading conditions. Creep, on the other hand, refers to the gradual deformation of a material under constant sustained loading. Steel rebars resist creep through their high stiffness and resistance to plastic deformation. The stiffness of steel allows it to maintain its shape and resist deformation under sustained loads. Moreover, the resistance to plastic deformation prevents excessive stretching or elongation, which can lead to creep failure. Proper design considerations also play a crucial role in enhancing the resistance of steel rebars to fatigue and creep. This includes ensuring appropriate reinforcement spacing, proper anchorage, and adequate concrete cover to protect the rebars from external factors that could induce fatigue or creep. In summary, steel rebars resist fatigue and creep due to their high tensile strength, ductility, stiffness, and resistance to plastic deformation. By utilizing proper design considerations and potentially implementing additional techniques, steel rebars can withstand cyclic loading and sustained loads for extended periods, ensuring their durability and structural integrity.

Q:How are steel rebars classified based on their shapes?: Various types of steel rebars are categorized according to their shapes. Among the commonly used types is the plain round bar, which is a straight cylindrical rod without any deformations or protrusions. Another type is the deformed bar, which possesses deformations or ribs on its surface. These deformations effectively enhance the bond between the bar and the concrete, thereby improving the overall structural strength. Deformed bars come in different patterns of deformations, including ribbed, twisted, and indented. Ribbed bars have evenly spaced protrusions along their length, which increase the surface area and enhance the grip with the concrete. Twisted bars, on the other hand, showcase a helical pattern of deformations, providing a strong grip. Indented bars feature small indentations or notches on their surface, thereby enhancing the bond strength. In addition to plain round and deformed bars, there are also specialized shapes available for specific applications. These include square bars, which have a square cross-section, and rectangular bars, which possess a rectangular cross-section. These shapes are often utilized in scenarios where the rebars need to be positioned in a particular orientation or where additional strength is required in a specific direction. Overall, the classification of steel rebars based on their shapes permits the selection of the most suitable type for various construction projects, taking into account factors such as bonding strength, load-bearing capacity, and specific design requirements.

Q:Are steel rebars suitable for reinforcement in theme parks and amusement centers?: Yes, steel rebars are suitable for reinforcement in theme parks and amusement centers. Steel rebars offer high strength and durability, making them ideal for heavily loaded structures and areas with high foot traffic. They can effectively enhance the structural integrity and ensure the safety of buildings and rides in theme parks and amusement centers.

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