High Quality Reinforcing Steel Rebars System 1

High Quality Reinforcing Steel Rebars

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Product Description:

OKorder is offering High Quality Reinforcing Steel Rebars at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

High Quality Reinforcing Steel Rebars are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's High Quality Reinforcing Steel Rebars are durable, strong, and wide variety of sizes.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Manufacture: Hot rolled

Grade: HRB335,HRB400,HRB500

Size: 6mm-32mm

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

DEFORMED BAR
SIZE d(mm)	theoretical kg/m
6	0.222
8	0.395
10	0.617
12	0.888
14	1.21
16	1.58
18	2
20	2.47
22	2.98
25	3.85
28	4.83
32	6.31

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥400		≥570		≥14

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How many tons of steel products could be loaded in containers?

A3: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.

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High Quality Reinforcing Steel Rebars

Q:Can steel rebars be used in combination with other reinforcement materials?: Combining steel rebars with other reinforcement materials is a common practice in construction projects. Steel rebars provide tensile strength and improve overall structural integrity in reinforced concrete structures. However, additional reinforcement materials may be needed in certain cases to meet design requirements or overcome unique construction challenges. For example, in areas with high seismic activity, it is important to prioritize flexibility and ductility. In these situations, steel rebars can be combined with materials like fiber-reinforced polymer (FRP) bars or carbon fiber-reinforced polymer (CFRP) strips. These materials offer increased strength and flexibility, enhancing the structure's ability to withstand seismic forces. Furthermore, when corrosion is a concern, steel rebars can be used alongside corrosion-resistant materials such as stainless steel rebars or epoxy-coated rebars. These materials form a protective barrier, preventing direct contact between the steel rebars and moisture or corrosive agents. Moreover, in specialized applications like precast concrete elements or composite structures, steel rebars can be used in conjunction with other reinforcement materials like prestressed tendons or structural fibers. This combination allows for load redistribution and ensures optimal structural performance. In conclusion, combining steel rebars with other reinforcement materials is an effective way to meet specific construction requirements, improve structural performance, and address challenges related to seismic activity, corrosion, or specialized applications.

Q:What are the guidelines for the proper anchoring of steel rebars in columns?: To guarantee the structural integrity and safety of reinforced concrete structures, it is crucial to adhere to guidelines regarding the appropriate anchoring of steel rebars in columns. These guidelines are typically established based on industry standards and codes, such as the American Concrete Institute (ACI) Building Code Requirements for Structural Concrete (ACI 318). 1. Lap Length: For sufficient bond strength, rebars must overlap by a minimum distance known as the lap length. This length is determined considering factors like rebar diameter, grade, concrete strength, and design requirements. To calculate the required lap length, specific formulas and tables provided by ACI 318 are used. 2. Embedment Length: The embedment length refers to the section of the rebar embedded within the concrete column. Achieving adequate embedment is essential to effectively transfer applied loads. The embedment length is determined based on factors such as rebar diameter, grade, and compressive strength of concrete. 3. Development Length: The development length is the minimum length of rebar needed beyond the critical section to fully develop its tensile or compressive strength. This ensures the rebar can withstand applied loads and avoid premature failure. ACI 318 provides formulas to calculate the development length considering rebar diameter, grade, concrete strength, and design requirements. 4. Concrete Cover: Concrete cover refers to the thickness of concrete between the rebar's external surface and the column's outer surface. It provides protection against corrosion, fire, and environmental factors. The required concrete cover is determined by considering factors like rebar diameter, grade, exposure conditions, and design requirements. ACI 318 provides minimum cover requirements for different rebar sizes and exposure conditions. 5. Spacing and Positioning: Proper spacing and positioning of rebars within the column are crucial to ensure uniform load distribution and effective reinforcement. The spacing is determined based on column dimensions, rebar diameter, and design requirements. Additionally, rebars should be properly aligned and centered within the column to achieve the intended structural strength. 6. Mechanical Anchorage: In certain cases, mechanical anchorage devices like rebar couplers or headed bars are employed to enhance rebar anchoring in columns. These devices improve load transfer and prevent rebar slippage. The selection and installation of mechanical anchorage should adhere to the manufacturer's recommendations and relevant standards. 7. Quality Control and Inspection: Implementing proper quality control and inspection procedures during rebar installation in columns is crucial. This involves verifying dimensions, lap lengths, embedment lengths, development lengths, concrete cover, spacing, and positioning of the rebars. Regular inspections and non-destructive testing techniques such as ultrasonic or radiographic testing can be utilized to ensure compliance with guidelines and identify any defects or deviations. It is important to note that these guidelines may vary based on specific design requirements, local building codes, and structural considerations. Therefore, it is recommended to consult relevant standards and seek professional advice from structural engineers or experts to ensure proper anchoring of steel rebars in columns.

Q:Can steel rebars be used in the construction of pedestrian bridges and walkways?: Yes, steel rebars can be used in the construction of pedestrian bridges and walkways. Steel rebars provide strength and durability, making them an ideal choice for reinforcing concrete structures like bridges and walkways.

Q:How do steel rebars enhance the structural integrity of a building?: In several ways, the structural integrity of a building is enhanced by steel rebars. Firstly, they reinforce and support concrete structures, including beams, columns, and slabs, preventing cracking or collapsing under heavy loads or external forces. The high tensile strength of steel rebars enables them to bear tensile stresses that concrete alone cannot handle, guaranteeing the building's stability and durability. Furthermore, steel rebars aid in evenly distributing and transferring loads throughout the structure, reducing concentrated stress. By reinforcing critical areas prone to tension, like corners, joints, and openings, rebars prevent cracks and ensure overall stability. Steel rebars also play a vital role in improving the structure's resistance to natural disasters like earthquakes and hurricanes. The flexibility and ductility of steel allow it to absorb and dissipate energy during seismic events or high winds, minimizing the risk of structural failure. This increased resilience ensures occupant safety and protects the building from severe damage. Additionally, steel rebars offer long-term durability by shielding the structure against corrosion. Unlike other construction materials, steel is highly resistant to degradation caused by environmental factors like moisture, chemicals, and temperature fluctuations. Corrosion-resistant rebars or protective coatings can significantly extend the building's lifespan. In conclusion, steel rebars are crucial components for reinforcing concrete structures, strengthening their integrity, stability, and resilience. By providing additional support and resistance to various stresses and loads, they contribute to the overall structural integrity of a building, guaranteeing its safety, longevity, and ability to withstand adverse conditions.

Q:Can steel rebars be used in structures with high resistance to earthquakes?: Structures with high resistance to earthquakes can make use of steel rebars. These rebars are commonly incorporated in reinforced concrete structures to enhance strength and durability. In areas prone to earthquakes, it is crucial to design and construct buildings capable of withstanding seismic forces. Properly incorporating steel rebars into the structural design can contribute to improving the overall seismic performance of a building. In earthquake-resistant structures, steel rebars offer several advantages. Firstly, they increase the tensile strength of concrete, which is typically weak in tension. This reinforcement helps prevent cracking and failure of the concrete during seismic events. Additionally, steel rebars improve the ductility of the structure, allowing it to absorb and dissipate energy during earthquakes. This ductile behavior helps minimize structural damage and ensures the building remains stable and safe. Moreover, steel rebars can be combined with other seismic design techniques to enhance the overall performance of the structure. For instance, they can be used in conjunction with specialized concrete mixes like high-strength or fiber-reinforced concrete to further improve seismic resistance. Advanced structural systems such as moment frames or shear walls can also be integrated with steel rebars to provide even greater earthquake resistance. However, it is important to note that the earthquake resistance of a structure does not solely depend on the use of steel rebars. Proper design, construction techniques, and adherence to seismic building codes are equally crucial factors. Engineers must consider various aspects, including the building's location, soil conditions, and anticipated seismic loads, to ensure the structural integrity and safety of the building. In conclusion, steel rebars can effectively enhance the earthquake resistance of structures. By incorporating them into reinforced concrete structures, the tensile strength and ductility are improved, enabling the building to withstand seismic forces. Nevertheless, it is essential to implement comprehensive seismic design strategies and adhere to building codes to ensure the overall safety and performance of the structure.

Q:Are steel rebars suitable for use in earthquake-resistant structures?: Yes, steel rebars are suitable for use in earthquake-resistant structures. Steel rebars are strong, durable, and have excellent tensile strength, making them an ideal material for reinforcing concrete in earthquake-prone areas. They help to enhance the structural integrity of buildings and provide resistance against seismic forces, reducing the risk of collapse during an earthquake.

Q:How do steel rebars provide reinforcement in concrete structures?: Steel rebars provide reinforcement in concrete structures by adding strength and durability to the concrete. The rebars are embedded within the concrete, creating a bond that helps distribute and resist tensile forces. This reinforcement enhances the overall structural integrity, preventing cracking and increasing load-bearing capacity.

Q:What are the different types of steel rebars used in precast concrete constructions?: There are several types of steel rebars commonly used in precast concrete constructions, including plain round bars, deformed bars, epoxy-coated bars, stainless steel bars, and galvanized bars. Each type offers specific properties and advantages depending on the project requirements and environmental conditions.

Q:What are the advantages of using deformed steel rebars?: Using deformed steel rebars in construction projects offers several benefits. Firstly, the unique shape of the rebars enhances the bond with the surrounding concrete. The ridges, bumps, or indentations on the surface of the rebar increase the contact area with the concrete, resulting in improved adhesion. This ensures a stronger bond between the rebar and the concrete, making the overall structure more resistant to forces such as tension, compression, and shear. Secondly, deformed steel rebars provide better resistance to slippage. The irregular surface of the rebar prevents it from easily slipping or moving within the concrete. This is particularly advantageous in structures exposed to seismic activity or heavy loads, as it helps maintain the integrity and stability of the construction. Additionally, the use of deformed steel rebars enhances the overall strength and durability of the project. The deformations on the rebar's surface allow it to better absorb and distribute stress, making it less prone to cracking or failure under high loads. This strength and durability make deformed rebars suitable for various applications, such as bridges, high-rise buildings, and industrial structures. Furthermore, deformed steel rebars offer cost-effectiveness in long-term maintenance. The improved bond between the rebar and concrete reduces the risk of corrosion and deterioration over time. This leads to reduced maintenance and repair costs, as the structure remains resilient and less prone to structural degradation caused by environmental factors. Lastly, deformed steel rebars provide versatility in design. The market offers various types and sizes of deformed rebars, allowing engineers and designers to choose the most suitable option for their specific project requirements. This design flexibility ensures that the rebars can be tailored to meet the structural demands of different applications, contributing to the construction project's overall efficiency and safety. In conclusion, the advantages of using deformed steel rebars include enhanced bonding with concrete, resistance to slippage, improved structural strength and durability, cost-effectiveness in maintenance, and versatility in design. These advantages make deformed steel rebars a preferred choice in construction projects where strength, stability, and long-term performance are crucial considerations.

Q:Can steel rebars be used in the construction of shopping complexes?: Yes, steel rebars can be used in the construction of shopping complexes. Steel rebars are commonly used in the construction industry to reinforce concrete structures, providing strength and durability. In shopping complex construction, steel rebars are used to reinforce columns, beams, and slabs, ensuring the structural integrity of the building.

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