Building Material Hot Rolling Bar Rebar Coil 6mm-10mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 1500 m.t./month
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Building Material Hot Rolling Bar Rebar Coil 6mm-10mm
Main Structure of Rolling Bar
Standard: AISI, ASTM, BS, DIN, GB
Grade: HRB400
Diameter: 6mm-10mm
Length: 1.6-1.9ton/coil
Application: for construction
rebar coil size: 6mm-10mm
steel grade: hrb400 , hrb500, gr.60 , hrb335,q235 q255 q275
Description for Rolling Bar
Type | Coiled reinforced bar/rebar coil |
Steel Grade | hrb500, gr.60 ,q235 ,q255,q275 |
Size | 6mm-10mm |
Unit weight | 1.6-1.9tons/coil |
Application | Building/project construction |
Packing | In coil with steel strip ,in bulk . |
Content | C% | Mn% | Si% | Cr% | Ni% | S% | P% | Cr% |
HRB400 | 0.14-0.22 | 0.40-0.65 | 0.05-0.15 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
HRB400E | 0.14-0.22 | 0.40-0.65 | 0.15-0.30 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
HRB500 | 0.28-0.37 | 0.50-1.00 | 0.05-0.15 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
HRB500E | 0.28-0.37 | 0.50-1.00 | 0.15-0.30 | 0.30max | 0.30max | 0.050 | 0.040 | 0.30min |
FAQ
WHY SHOULD YOU CHOOSE US:
Stable quality ----continous casting hot rolled production techenic, strictly quality control system.
Lower price -------Not the cheapest but the lowest price at the same quality .
Good service -----Satisfactory service within 24hours.
Delivery time ------15-25days for the mass production .
Discount---------------discount base on monthly large quantity purchase in long term
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- Q:Can steel rebars be used in structures with limited construction permits?
- No, steel rebars cannot be used in structures with limited construction permits. The use of steel rebars in construction typically requires proper permits and approvals due to safety and structural considerations.
- Q:How are steel rebars handled and stored on construction sites?
- Construction projects that require reinforced concrete structures rely on steel rebars, which are also known as reinforcing bars. Ensuring the quality and safety of these rebars when handling and storing them on construction sites is of utmost importance. Upon delivery to the construction site, the steel rebars must undergo inspection for any signs of damage or corrosion. If any rebars are found to be damaged, they should be discarded as they can compromise the project's structural integrity. Additionally, the rebars should be checked for proper labeling, including grade, size, and other specifications. Mechanical lifting equipment, such as cranes or forklifts, is typically used to handle steel rebars. It is crucial to use appropriate lifting tools to prevent mishandling or accidents that could result in injuries. The rebars should be lifted vertically to avoid bending or distortion. Once lifted, the steel rebars should be stored in a designated area called a rebar yard. This yard should be clean, well-drained, and organized to prevent potential damage or corrosion. The rebars should be stacked horizontally on leveled ground, ensuring they do not come into direct contact with the soil or water to avoid rusting. To prevent the rebars from rolling or falling, they should be securely tied together using binding wires or steel bands. This practice not only helps maintain the order and stability of the stored rebars but also prevents accidental damage by keeping them away from other construction materials, machinery, or equipment. Proper storage also involves protecting the rebars from adverse weather conditions. Waterproof tarpaulins or plastic sheets should be used to cover the rebars, preventing moisture absorption and corrosion. Adequate ventilation is necessary to avoid moisture accumulation, which can lead to rusting. Regular inspections of the stored rebars are crucial to identify any signs of damage or deterioration. If any rebars are found to be damaged or rusty, they should be promptly removed and replaced to preserve the structural integrity of the construction project. In conclusion, the handling and storage of steel rebars on construction sites require careful attention. Suitable lifting equipment should be used during handling, and a clean and organized rebar yard is necessary for storage. Regular inspections and maintenance are essential to ensure the rebars' quality and prevent any compromise to the construction project's structural integrity.
- Q:How do steel rebars affect the shrinkage and creep behavior of concrete?
- The shrinkage and creep behavior of concrete are significantly impacted by steel rebars. Shrinkage occurs when concrete contracts as it dries and hardens, while creep refers to the long-term deformation of concrete under sustained load. The presence of steel rebars in concrete has two main effects on its overall shrinkage. Firstly, the rebars provide resistance against shrinkage by countering the tensile forces that arise during drying. This resistance limits the volume change of the concrete, minimizing shrinkage. Secondly, the rebars act as a barrier to moisture movement, thus restricting the drying and shrinkage of the concrete. Nevertheless, the addition of steel rebars can also influence the creep behavior of the concrete. Creep is influenced by the material's modulus of elasticity and strength, both of which can be altered by the presence of steel rebars. The high modulus of elasticity and strength of the rebars can lead to higher levels of creep in the concrete, as there can be differential deformation between the concrete and the steel. Furthermore, the bond between the rebars and the concrete also affects the creep behavior. The strength of this bond influences the transfer of stress from the concrete to the rebars, thereby impacting the overall creep behavior of the composite material. In conclusion, steel rebars can reduce concrete shrinkage by providing resistance against drying and limiting moisture movement. However, they can also influence the creep behavior of the concrete due to factors such as modulus of elasticity, strength, and bond strength between the rebars and the concrete. Understanding the interaction between steel rebars and concrete is essential for designing structures that can withstand shrinkage and creep effects.
- Q:How do steel rebars enhance the load-bearing capacity of a structure?
- Steel rebars enhance the load-bearing capacity of a structure by providing reinforcement and increasing its tensile strength. They are embedded within the concrete, creating a composite material that can withstand higher loads and prevent cracking or failure under stress.
- Q:What are the different sizes of steel rebars available in the market?
- The market offers a variety of steel rebar sizes to cater to the specific needs and requirements of construction projects. Typically, steel rebars are available in a range of diameters, which commonly span from 6mm to 40mm. The designated sizes are determined by the nominal diameter of the rebar. Among the steel rebars available in the market, the most frequently utilized sizes are 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 32mm, and 40mm. These sizes are extensively employed in various construction applications and can easily be found in most hardware stores. The selection of the rebar size is reliant on the structural design, the required load-bearing capacity, and the specific construction project. Smaller diameter rebars, such as 6mm or 8mm, are commonly employed in light construction projects or instances where a lesser load-bearing capacity is necessary. Conversely, larger diameter rebars, such as 25mm or 32mm, are often used in heavy-duty construction projects or structures that demand higher load-bearing capacity. To determine the appropriate rebar size for a particular project, it is crucial to consult with structural engineers or construction professionals. They can offer guidance based on the design requirements and structural calculations.
- Q:Can steel rebars be used in structures with high electrical conductivity requirements?
- Steel rebars cannot be utilized in structures that demand high electrical conductivity. Although steel is a remarkably conductive substance, its implementation as reinforcement in concrete structures involves encasing it within the concrete, thus eliminating any direct electrical pathway. Consequently, steel rebars do not contribute to the overall electrical conductivity of the structure. In cases where high electrical conductivity is necessary, it is advisable to explore alternative materials like copper or aluminum. These materials possess significantly higher electrical conductivity characteristics, enabling them to fulfil the requirements of structures with elevated electrical conductivity demands.
- Q:Can steel rebars be used in retrofitting existing structures?
- Yes, steel rebars can be used in retrofitting existing structures. Retrofitting is the process of strengthening or upgrading existing buildings or structures to make them more resistant to various forces or to meet new design requirements. Steel rebars are commonly used in retrofitting as they provide increased structural strength and stability when properly installed and reinforced within existing structures.
- Q:How do steel rebars provide strength to concrete structures?
- Steel rebars provide strength to concrete structures by acting as reinforcement. When embedded within the concrete, rebars enhance its tensile strength, which is otherwise low. As concrete is strong in compression but weak in tension, the rebars resist the tensile forces that can cause cracking or failure in the structure. By distributing and absorbing these tensile forces, steel rebars increase the overall strength, durability, and structural integrity of the concrete.
- Q:What are the safety considerations when handling steel rebars?
- Some safety considerations when handling steel rebars include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to prevent injuries from sharp edges and falling objects. It is important to ensure proper lifting techniques and use mechanical aids when moving heavy rebars to avoid strain or back injuries. Additionally, workers should be cautious of tripping hazards caused by loose or protruding rebars and follow proper storage procedures to prevent accidental falls. Regular inspection and maintenance of the rebars are crucial to identify any potential defects or weaknesses that could compromise their structural integrity and cause accidents.
- Q:How are steel rebars anchored into concrete?
- Steel rebars are anchored into concrete by using various methods such as overlapping, mechanical anchoring devices, or by using concrete cover.
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Building Material Hot Rolling Bar Rebar Coil 6mm-10mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 1500 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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