Eight mm Cold Rolled Steel Rebars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 m.t./month
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1. Specifications of Eight mm Cold Rolled Steel Rebars with High Quality:
Name | Cold Rolled Steel Rebar | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | |
Length | 6M, 9M,12M or as required | |
Price | Keep lower operating costs so as to offer competitive price for our clients | |
Label | to be specified by customer, generally, each bundle has 1-2 labels | |
Application | Building, construction | |
Invoicing | Actual or Theoretical Weight Basis as buyer’s request. | |
2. Theoretical weight and section area of each diameter of Eight mm Cold Rolled Steel Rebars with High Quality as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
3. Packaging & Delivery of Eight mm Cold Rolled Steel Rebars with High Quality:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment terms: TT payment in advance or Irrevocable LC at sight.
Trade terms :FOB, CFR, CIF
Delivery Detail: within 45 days after received advanced payment or LC.
4. 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 soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The shipping date is dependent upon the quatity, how many sizes you want and the plan of production, but is typically 1 month to 2 month days from the beginning of production.
5. Images of Eight mm Cold Rolled Steel Rebars with High Quality:
- Q: What is the role of steel rebars in earthquake-resistant building design?
- The role of steel rebars in earthquake-resistant building design is to provide reinforcement and strength to the structure. Rebars help absorb and distribute the energy generated during an earthquake, reducing the risk of structural failure and damage. They enhance the building's ability to withstand the lateral forces and vibrations caused by seismic activity, making it more resilient and safer for occupants.
- Q: How do steel rebars affect the overall fire resistance of concrete structures?
- The overall fire resistance of concrete structures is greatly affected by steel rebars. These reinforcement bars, also known as steel rebars, are utilized in concrete structures to provide strength and stability. Their behavior when exposed to fire can either improve or weaken the fire resistance of the concrete structure. The fire resistance of the structure benefits from the inclusion of steel rebars. Steel's high thermal conductivity aids in dissipating the heat produced during a fire, preventing localized overheating and reducing the risk of structural failure. This dispersal of heat through the steel rebars slows down the rate at which the concrete's temperature rises, allowing for more time to evacuate and fight the fire. Furthermore, the presence of steel rebars also helps maintain the structural integrity of the concrete during a fire. Concrete has low tensile strength, and when subjected to high temperatures, it tends to crack and spall. However, the presence of steel rebars mitigates this issue by acting as reinforcement, holding the concrete together and preventing it from disintegrating due to heat. However, it is important to note that steel rebars can have a negative impact on fire resistance if not designed or protected properly. Insufficient size and spacing of the rebars can lead to a rapid transfer of heat through the concrete, resulting in premature failure. Additionally, if the rebars are not adequately protected with fire-resistant materials, they can lose their strength and integrity, further compromising the overall fire resistance of the structure. To ensure optimal fire resistance, designers and engineers consider various factors such as the size, spacing, and coating of the steel rebars, as well as the thickness of the concrete cover. Additionally, fireproofing measures such as using intumescent coatings, fire-resistant insulation, and fireproof claddings can be implemented to enhance the fire resistance of steel rebars and the overall concrete structure. In conclusion, steel rebars play a vital role in the fire resistance of concrete structures. When appropriately designed and protected, they enhance fire resistance by dissipating heat and maintaining structural integrity. However, inadequate design or lack of protection can compromise fire resistance. Therefore, it is crucial to adhere to proper design guidelines and implement appropriate fireproofing measures to ensure the overall fire safety of concrete structures.
- Q: Are there any specific guidelines for handling and placing steel rebars in concrete?
- Yes, there are specific guidelines for handling and placing steel rebars in concrete. These guidelines include proper storage and handling of rebars to prevent damage, ensuring proper placement and spacing of rebars according to engineering drawings and specifications, and using appropriate tools and techniques for tying and securing the rebars in place. Additionally, it is important to follow best practices for concrete pouring and compaction to ensure proper bonding between the rebars and the concrete. Compliance with these guidelines is crucial to ensure the structural integrity and durability of the concrete structure.
- Q: What is the cost of steel rebars compared to other construction materials?
- The cost of steel rebars compared to other construction materials can vary depending on various factors such as geographical location, market conditions, and the specific type and grade of steel rebars being compared. However, in general, steel rebars are often considered more affordable and cost-effective compared to alternative construction materials such as concrete or wooden beams.
- Q: What is the average weight of steel rebars per meter?
- The weight of steel rebars per meter can differ based on the particular size and type of rebar utilized. Nevertheless, as a general rule, a commonly used rebar size like a #4 (with a diameter of 1/2 inch) generally weighs approximately 0.668 kilograms per meter. Conversely, a #8 rebar (with a diameter of 1 inch) can weigh roughly 2.67 kilograms per meter. To obtain the precise weight of steel rebars per meter for a specific size and type, it is crucial to consult the manufacturer or refer to a reliable source.
- Q: What does it mean to have 22 4GJ on the threaded steel?
- The letters on the reinforcement are registered plant names or trademarks. The top figures on the bar represent the grade of the reinforcement, such as 3 for grade 2 steel, 4 for grade 3 steel, and 5 for grade 4 steel. The numbers in the back represent the specifications of the bars, and the letters between grades and specifications represent the steel manufacturer.
- Q: Can steel rebars be used in retaining walls and dams?
- Yes, steel rebars can be used in retaining walls and dams. Steel rebars are commonly used in construction projects as reinforcement to provide strength and stability to concrete structures. In retaining walls and dams, where the primary objective is to withstand high pressure and heavy loads, steel rebars are often incorporated to enhance the structural integrity and durability of these structures.
- Q: How do steel rebars resist fatigue and creep?
- Steel rebars exhibit resistance to fatigue and creep by virtue of their inherent material properties and careful design considerations. Fatigue, the gradual weakening of a material caused by repeated cyclic loading, is effectively countered by the specific design of steel rebars. These rebars are purposely engineered to withstand fatigue through their exceptional tensile strength and ductility. The tensile strength of steel enables it to resist the stress imposed by cyclic loading, while its ductility allows it to deform without fracturing. This unique combination of properties equips steel rebars with the capability to endure numerous load cycles without experiencing failure. Moreover, the resistance of steel rebars to fatigue can be further fortified by employing various techniques, including heat treatment, surface coatings, and alloying. These methods serve to enhance the material's fatigue resistance and increase its longevity under cyclic loading conditions. On the other hand, creep refers to the gradual deformation of a material under constant sustained loading. Steel rebars effectively resist creep due to their high stiffness and resistance to plastic deformation. The stiffness of steel enables it to maintain its shape and resist deformation when subjected to sustained loads. Additionally, the resistance to plastic deformation prevents excessive stretching or elongation, which could lead to creep failure. To enhance the resistance of steel rebars to both fatigue and creep, proper design considerations play a crucial role. These considerations encompass factors such as appropriate reinforcement spacing, proper anchorage, and sufficient concrete cover to safeguard the rebars from external elements that may induce fatigue or creep. In conclusion, steel rebars offer resistance to fatigue and creep as a result of their high tensile strength, ductility, stiffness, and resistance to plastic deformation. By incorporating meticulous design considerations and potentially implementing supplementary techniques, steel rebars can withstand cyclic loading and sustained loads over extended periods, thereby ensuring their durability and structural integrity.
- Q: What are the standard sizes for steel rebars?
- The standard sizes for steel rebars typically range from #3 to #18, with diameters ranging from 3/8 inch to 2 1/4 inches.
- Q: How do steel rebars help in reducing construction time?
- Steel rebars contribute to the reduction of construction time in several ways. Firstly, they enhance the strength and durability of concrete structures, enabling builders to employ quicker construction techniques. This obviates the necessity for slower and more time-consuming methods as the rebars provide sufficient support for the structure's weight. Secondly, the reinforcement of concrete with steel rebars enhances the overall structural integrity of the building. Consequently, builders can employ thinner concrete sections without compromising the structure's strength. These thinner sections require less material and can be poured and cured more rapidly and easily, thus saving construction time. Thirdly, the installation of steel rebars is a speedy process due to their easy handling and installation characteristics. They can be conveniently cut and bent to fit the desired shape and size, facilitating efficient installation. Consequently, the requirement for complicated and time-consuming formwork is eliminated, resulting in a reduction in construction time. Fourthly, steel rebars offer design and construction flexibility, enabling the utilization of innovative and efficient building techniques. They can be utilized in a variety of applications, including beams, columns, and slabs, granting architects and engineers the freedom to design structures that can be rapidly and efficiently constructed. Lastly, steel rebars provide additional resistance to natural disasters such as seismic activity and extreme weather conditions. By reinforcing concrete with rebars, structures become more resilient, reducing the risk of damage and expediting the construction process. This is particularly crucial in areas that are prone to earthquakes or adverse weather conditions. In conclusion, steel rebars play a pivotal role in reducing construction time by providing strength, durability, flexibility, ease of installation, and the ability to reinforce concrete structures. These qualities facilitate faster construction methods and efficient use of materials.
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Eight mm Cold Rolled Steel Rebars with High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 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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