High Quality Deformed Steel Bar For Construction

High Quality Deformed Steel Bar For Construction System 1

High Quality Deformed Steel Bar For Construction

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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Product Description:

OKorder is offering High Quality Deformed Steel Bar For Construction 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 Deformed Steel Bar For Construction 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 Deformed Steel Bar For Construction 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

Size: 6mm-25mm

Certificates: ISO, SGS, BV, CIQ

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

Packaging: Export packing, nude packing, bundled

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	B
HRB335	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	>0.0008
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥335		≥490		≥16

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: what is the difference between actual weight and theoretical weight?

A3: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.

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High Quality Deformed Steel Bar For Construction

Q: Can steel rebars be cut on-site during construction?: Yes, steel rebars can be cut on-site during construction. This process, known as rebar cutting, is commonly done to achieve the desired length or shape of the rebars to meet specific project requirements.

Q: What is the impact of steel rebars on the aesthetics of a structure?: Steel rebars, being an essential component of reinforced concrete structures, generally have minimal impact on the aesthetics of a building. They are typically concealed within the structure and remain hidden from view. However, in certain architectural designs where rebars are intentionally exposed, they can contribute to an industrial or modern aesthetic. Overall, the impact of steel rebars on the aesthetics of a structure is largely dependent on the design intent and whether they are meant to be visible or not.

Q: What are the common defects or issues associated with steel rebars?: Common defects or issues associated with steel rebars include: 1. Rust: Steel rebars are prone to rusting when exposed to moisture or corrosive substances. Rust weakens the rebars, reducing their load-bearing capacity and compromising the structural integrity of the reinforced concrete. 2. Poor bonding with concrete: If the rebars are not properly cleaned or have a layer of rust, they may not bond well with the concrete. This can result in reduced strength and durability of the reinforced concrete structure. 3. Improper size or shape: Rebars that are incorrectly sized or shaped can lead to structural issues. For example, rebars that are too short or have inadequate coverage may not provide sufficient reinforcement, making the structure vulnerable to cracking or collapse. 4. Improper placement: Incorrect placement of rebars can lead to weak points in the reinforced concrete. This can occur if rebars are not adequately spaced, not aligned properly, or if there are gaps between the rebar and the concrete. 5. Improper storage and handling: Rebars should be stored in a dry and well-ventilated area to prevent rust. Improper storage or handling can result in surface damage, bending, or twisting of the rebars, affecting their performance in the reinforced concrete. 6. Welding defects: Welded rebars may have defects such as improper fusion, cracks, or lack of penetration, which can compromise the strength and integrity of the reinforcement. 7. Overlapping issues: Overlapping rebars is a common practice to ensure continuity in reinforcement. However, improper overlapping, such as insufficient overlap length or inadequate lapping of rebars, can result in weak joints and reduced structural strength. 8. Quality control issues: Inadequate quality control during the manufacturing or installation process can lead to defects or issues in rebars. This can include issues like improper chemical composition, inadequate strength, or deviations from the specified standards. It is crucial to address and rectify these defects or issues during the design, manufacturing, and construction stages to ensure the safe and reliable performance of reinforced concrete structures. Regular inspection, maintenance, and adherence to industry standards and guidelines are essential to mitigate these common issues associated with steel rebars.

Q: What are the guidelines for proper splicing of steel rebars in concrete structures?: Ensuring the structural integrity and safety of concrete structures requires strict adherence to guidelines for splicing steel rebars. The following are key guidelines to follow: 1. Lap Splicing Length: The overlapping distance between rebars, known as lap splicing length, must adhere to the design plans or structural codes. Typically, minimum lap lengths are specified as a multiple of rebar diameter, such as 40 times for tension members and 25 times for compression members. 2. Cleanliness: Prior to splicing, rebars must be thoroughly cleaned to remove rust, scale, dirt, and other contaminants. Proper cleaning guarantees a strong bond during splicing. 3. Proper Alignment: Rebars to be spliced should be aligned correctly to maintain reinforcement continuity. Misalignment can cause stress concentration and weaken the structure. The bars should be parallel, evenly spaced, and in a straight line. 4. Splice Type: Various splice connections, including lap splicing, mechanical splicing, and welded splicing, are available. The choice of splice type should consider project requirements, structural design, and local building codes. 5. Reinforcement Bar Preparation: Before splicing, rebars should be prepared by removing scale, rust, and other contaminants. This can be achieved through brushing, grinding, or shot blasting. Additionally, the bar ends must be clean and free of deformations or irregularities. 6. Testing and Inspection: Regular testing and inspection are crucial to ensure the quality and integrity of spliced rebars. Non-destructive testing methods like ultrasound or magnetic particle testing can be used to check bond strength and ensure correct splicing. 7. Adequate Cover: Spliced rebars require sufficient concrete cover to protect against corrosion and fire. The concrete cover thickness should comply with local building codes and design specifications. 8. Proper Grouting: When using mechanical splices, ensure proper grouting or filling of splice sleeves or couplers with approved non-shrink grout. This ensures full load transfer and prevents rebars from moving or slipping. 9. Documentation: All splicing activities should be thoroughly documented, including the splice type, lap lengths, inspection reports, and any deviations from the original design. This documentation is important for future reference, maintenance, and regulatory compliance. These guidelines serve as general recommendations, and project-specific requirements and local building codes must always be followed. Consulting a qualified structural engineer or reputable construction professional is vital to ensure the highest standards of safety and compliance.

Q: How do steel rebars resist alkali-silica reaction in concrete?: Steel rebars resist alkali-silica reaction in concrete by serving as a barrier that prevents direct contact between the alkalis present in the concrete and the reactive silica aggregates. The protective oxide layer formed on the surface of the rebars acts as a physical and chemical barrier, preventing the alkalis from penetrating and reacting with the aggregates. Additionally, the high pH environment created by the concrete also helps in passivating the steel rebars, further enhancing their resistance to alkali-silica reaction.

Q: What is the standard size of a steel rebar?: The standard size of a steel rebar typically ranges from 6mm to 50mm in diameter.

Q: What is the relationship between the price and the hot coil steel prices?: The rebar prices are more special, in addition to energy-saving emission reduction, I personally think that the relationship between market supply and demand. In previous years, coil prices relatively high prices and price, usually in the coil as a goal. I think the price is not reasonable, but I don't understand, because I'm not an expert. Of course, the experts don't understand.

Q: Are steel rebars eco-friendly?: Steel rebars are not inherently eco-friendly as they are made from mined iron ore and have a significant carbon footprint during the manufacturing process. However, they can be considered more sustainable compared to alternatives like concrete rebars as steel can be recycled indefinitely, reducing the need for new production and minimizing waste. Additionally, steel rebars provide strength and durability to structures, leading to longer lifespans and potentially reducing the environmental impact associated with frequent repairs and replacements.

Q: Can steel rebars be used in the construction of sports stadiums or arenas?: Certainly, the utilization of steel rebars in the construction of sports stadiums or arenas is a viable option. These rebars are frequently employed as reinforcement in concrete structures due to their impressive tensile strength and durability. Their suitability for extensive projects, such as sports stadiums, is evident. By providing extra support and stability, the rebars enable the concrete to withstand the immense loads and forces that occur during events in stadiums and arenas. Moreover, the versatility of steel rebars allows for effortless shaping and bending to match the specific design requirements and needs of the structure, making them an adaptable choice in construction endeavors.

Q: How do steel rebars improve the structural integrity of a building?: Steel rebars improve the structural integrity of a building by reinforcing concrete structures, providing additional strength and stability. The rebars act as a skeleton within the concrete, distributing and transferring loads more effectively, preventing cracks and reducing the risk of collapse.

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