High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction System 1

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction System 2

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction System 3

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction System 4

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

Details of the High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

Standard & Grade:	GB1499-98 : HRB335,HRB400,HRB500
	BS4449-1997 : GR460,GR500
	CAN/CSA-G30.18-M92 : 400W
	ASTM A615 : Gr.40, Gr.60
Diameter:	6mm;8mm;10mm;12mm;14mm;16mm;18mm;20mm;22mm;25mm;28mm;30mm;32mm;35mm;40mm
Length:	6m,9m,12m
Packing:	Bundle packing
Origin:	China
Application:	Construction,Road,Machinery processing,Welding fields.
Delivery time:	10-25 days
Shipment:	By bulk vessel or Container
Documents:	Mill Test Certificate,Commercial Invoice,Packing List,Certificate of Origin

Company Introduction of the High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

Packaging & Delivery of the High Tensile Deformed Steel Rebar/Iron Rods for Building Construction

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

FAQ

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
Why choose us?
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q: What factors affect the cost of steel rebars?: Several factors can affect the cost of steel rebars. These include the current market demand and supply for steel, the cost of raw materials such as iron ore and scrap metal, transportation and logistics costs, energy costs, labor costs, and any applicable taxes or tariffs. Additionally, fluctuations in currency exchange rates and global economic conditions can also impact the cost of steel rebars.

Q: How do steel rebars affect the workability of concrete?: Concrete workability can be significantly impacted by the presence of steel rebars. Initially, steel rebars in concrete contribute to increased strength and structural integrity. They act as reinforcement by absorbing and redistributing tensile forces, preventing cracking or collapsing under load. However, the addition of steel rebars also has various effects on concrete workability. Firstly, it reduces the workability or slump of the concrete mix. Consequently, the concrete becomes less fluid and more challenging to handle, particularly during pouring and placement. The rebars create obstacles and impede the flow of concrete, demanding greater effort to properly place and compact the mixture. Moreover, steel rebars can lead to issues such as segregation and segregation of concrete. Segregation arises when the heavier rebars cause the aggregate to settle at the bottom, resulting in an uneven distribution of components in the mixture. This can negatively impact the concrete's strength and durability. Additionally, ensuring proper bond between the steel and concrete may require additional measures. Adequate cover depth and correct placement of rebars are crucial to fully embed the rebars in the concrete, providing the necessary reinforcement. Failing to achieve a proper bond can jeopardize the concrete's strength and structural integrity. In conclusion, steel rebars have both positive and negative effects on concrete workability. While they enhance the strength and durability of the concrete, they also reduce its workability and require additional considerations during the mixing and placement process. Effective planning and execution are necessary to incorporate the rebars efficiently without hindering the overall workability and performance of the concrete.

Q: Grade 1, grade three, grade two, steel, wire rod, round bar: Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter. Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Among them, 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets.

Q: How do steel rebars perform in extreme temperature conditions?: Steel rebars perform well in extreme temperature conditions due to their high thermal conductivity and low coefficient of thermal expansion. This means that they can efficiently transfer heat and resist deformation caused by temperature changes. In extremely high temperatures, steel rebars retain their strength and structural integrity. They have a high melting point and maintain their properties even in intense fire situations. This makes them ideal for reinforcing structures such as buildings, bridges, and tunnels, where fire resistance is crucial. In extremely low temperatures, steel rebars also perform admirably. Unlike some other materials, steel does not become brittle and lose its strength in cold conditions. This makes it suitable for use in cold climates and regions with frequent freeze-thaw cycles. Furthermore, steel rebars have excellent durability and can withstand extreme temperature fluctuations without significant degradation. They do not expand or contract excessively, which helps to maintain the stability and longevity of reinforced structures. However, it's important to note that extreme temperatures can still have some impact on steel rebars. In very high temperatures, steel may experience some thermal expansion, which can cause minor stresses in the surrounding concrete. Similarly, in very low temperatures, some contraction may occur, but these effects are usually minimal and well within acceptable limits. Overall, steel rebars are a reliable choice for reinforcing structures in extreme temperature conditions, as they offer excellent strength, durability, and fire resistance.

Q: Can steel rebars be used in dam construction projects?: Yes, steel rebars can be used in dam construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including dams, to provide strength and durability. The rebars help to distribute loads and resist tension forces, ensuring the stability and longevity of the dam.

Q: What are the guidelines for repairing damaged steel rebars in a structure?: To ensure the structural integrity of a building when repairing damaged steel rebars in a structure, it is necessary to follow several guidelines. Here are some key guidelines that should be considered: 1. Inspection: Before commencing the repair process, a thorough inspection of the damaged rebars must be conducted. This involves assessing the extent of the damage, identifying the cause of the damage, and determining whether repair is feasible or if replacement is necessary. 2. Cleaning: Proper cleaning of the damaged rebars is essential to eliminate any loose rust, scale, or other contaminants. This can be achieved by using wire brushes, sandblasting, or other appropriate cleaning methods. 3. Removal of damaged material: Any corroded or severely damaged portions of the rebars should be removed. This may require cutting out the damaged area and replacing it with a new rebar, or employing techniques such as welding or epoxy bonding to repair the damaged section. 4. Surface preparation: Adequate preparation of the rebar surface is important to ensure proper adhesion of the repair material. This may involve roughening the surface, applying a bonding agent, or utilizing other surface preparation techniques depending on the specific repair method being employed. 5. Selection of repair material: The choice of repair material will depend on factors such as the severity of the damage, the required load-bearing capacity, and the environmental conditions in which the rebars are situated. Common repair materials include epoxy resins, cementitious mortars, or other specialized repair products. 6. Repair technique: The selection of an appropriate repair technique is crucial and should comply with relevant industry standards and codes. Techniques such as welding, epoxy bonding, or mechanical splicing can be employed to repair damaged rebars. 7. Quality control: Throughout the repair process, it is important to implement quality control measures to ensure the effectiveness and durability of the repair. This may involve strength testing of the repaired rebars, monitoring the curing process, and conducting inspections to verify compliance with the guidelines. 8. Documentation: Thorough documentation of the repair process is essential, including photographs, test results, and any relevant certifications or warranties. This documentation serves as a valuable reference for future maintenance and provides evidence of the repair work carried out. It should be noted that the guidelines for repairing damaged steel rebars may vary depending on project-specific requirements, local building codes, and the recommendations of structural engineers or repair specialists. Therefore, consulting with experts in the field is crucial to ensure safe and effective repair work.

Q: Can steel rebars be used in energy-efficient buildings?: Yes, steel rebars can be used in energy-efficient buildings. Steel rebars are commonly used in the construction of reinforced concrete structures, including energy-efficient buildings. Energy-efficient buildings focus on reducing energy consumption and minimizing environmental impact. While steel is a material with high embodied energy, meaning it requires a significant amount of energy for its production, it offers several advantages for energy-efficient buildings. Firstly, steel rebars provide structural strength to reinforced concrete, allowing for the construction of durable and long-lasting buildings. This is crucial for energy-efficient buildings as they are designed to have a longer lifespan and lower maintenance requirements, reducing the overall environmental impact. Additionally, steel rebars can be used in the construction of energy-efficient building components such as insulated concrete forms (ICFs) and precast concrete panels. These building systems offer excellent thermal insulation properties, reducing heat transfer and improving energy efficiency. Steel rebars are used to reinforce these components, ensuring their structural integrity. Furthermore, the thermal mass properties of concrete, reinforced by steel rebars, can contribute to the energy efficiency of a building. Concrete absorbs and stores heat, helping to regulate indoor temperatures and reduce the need for excessive heating or cooling. This can result in significant energy savings over the lifespan of a building. It is important to note that the energy efficiency of a building depends on various factors, including insulation, window design, HVAC systems, and renewable energy integration. While steel rebars are an integral part of reinforced concrete structures, their impact on the overall energy efficiency should be considered in conjunction with other design choices and building materials.

Q: Are steel rebars suitable for reinforcement in schools and educational buildings?: Yes, steel rebars are suitable for reinforcement in schools and educational buildings. Steel rebars provide strength and durability to the structure, making it capable of withstanding heavy loads and ensuring the safety of the occupants. Additionally, steel rebars are cost-effective, widely available, and easy to install, making them a preferred choice for reinforcement in educational buildings.

Q: How can the quality of steel rebars be tested?: The quality of steel rebars can be tested through various methods to ensure their strength and reliability. Some common techniques include: 1. Visual Inspection: This involves examining the rebars for any visible defects such as surface cracks, unevenness, or corrosion that could affect their performance. 2. Chemical Composition Analysis: The composition of the steel rebars can be determined through spectroscopy or other similar methods to ensure they meet the required standards. This analysis verifies the presence and percentage of various elements such as carbon, manganese, and silicon. 3. Tensile Strength Testing: A sample of the steel rebar is subjected to tension until it fractures. The maximum force applied to the bar before breaking determines its tensile strength. This test helps identify any weak spots or inconsistencies within the rebar. 4. Bend Test: This test evaluates the ductility of the rebars by bending them to a specific angle without any signs of cracking or fracture. It ensures the rebar can withstand bending and shaping during construction without compromising its structural integrity. 5. Ultrasonic Testing: Ultrasonic waves are used to detect internal flaws or defects within the rebars. This non-destructive testing method helps identify any hidden cracks, voids, or inclusions that may weaken the rebar. 6. Hardness Test: The hardness of the steel rebars can be determined using the Rockwell or Brinell hardness test. This test measures the resistance of the rebar's surface to indentation, providing an indication of its strength. 7. Corrosion Resistance Test: The rebars can undergo corrosion testing, such as salt spray testing or electrochemical methods, to assess their resistance against rust and other forms of corrosion. By utilizing a combination of these testing methods, manufacturers, construction companies, and engineers can ensure that steel rebars meet the required quality standards and can withstand the intended load and environmental conditions.

Q: Can steel rebars be used in wastewater treatment plants?: Yes, steel rebars can be used in wastewater treatment plants. Steel rebars are commonly used as reinforcement for concrete structures, including those found in wastewater treatment plants. The rebars provide strength and durability to the structures, ensuring they can withstand the harsh environments and corrosive nature of wastewater. However, it is important to select the appropriate grade of steel rebars that are resistant to corrosion caused by the chemicals present in wastewater.

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