GB Standard HRB335 Deformed Bars
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Product Description:
OKorder is offering GB Standard HRB335 Deformed Bars 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:
GB Standard HRB335 Deformed Bars 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 GB Standard HRB335 Deformed Bars 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 | ||||||
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 normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
Images:
- Q:What are the main characteristics of steel rebars?
- The main characteristics of steel rebars include high strength, durability, corrosion resistance, and flexibility. They are commonly used in reinforced concrete structures to reinforce and provide tensile strength to the concrete.
- Q:How are steel rebars classified based on their shapes?
- Steel rebars are classified based on their shapes into various types. One of the commonly used types is the plain round bar, which is a straight cylindrical rod with no deformations or protrusions. Another type is the deformed bar, which has deformations or ribs on its surface. These deformations provide better bonding between the bar and the concrete, thus enhancing the overall strength of the structure. There are different patterns of deformations used in deformed bars, such as ribbed, twisted, and indented. Ribbed bars have evenly spaced protrusions along the length of the bar, which increase the surface area and improve the grip with the concrete. Twisted bars have a helical pattern of deformations, providing a strong grip. Indented bars have small indentations or notches on their surface, enhancing the bond strength. In addition to plain round and deformed bars, there are also other specialized shapes available for specific applications. These include square bars, which have a square cross-section, and rectangular bars, which have a rectangular cross-section. These shapes are often used in applications where the rebars need to be positioned in a specific orientation or where additional strength is required in a particular direction. Overall, the classification of steel rebars based on their shapes allows for the selection of the most suitable type for different construction projects, considering factors such as bonding strength, load-bearing capacity, and specific design requirements.
- Q:What are the guidelines for ensuring proper concrete cover over steel rebars?
- The guidelines for ensuring proper concrete cover over steel rebars include: 1. Following the specified cover requirements mentioned in the structural design or building codes. 2. Ensuring that the rebars are placed at the correct depth within the concrete to achieve the desired cover. 3. Using appropriate spacers or chairs to maintain the required distance between the rebars and the formwork during concrete pouring. 4. Ensuring proper consolidation of the concrete to eliminate voids or air pockets around the rebars. 5. Regularly inspecting the concrete cover during construction and taking necessary measures to correct any deficiencies. 6. Protecting the rebars from corrosion by using high-quality concrete with appropriate additives and ensuring proper curing of the concrete. 7. Regular maintenance and inspection of the structure throughout its lifespan to ensure the concrete cover remains intact and provides adequate protection to the rebars.
- Q:What is the standard length of steel rebars?
- The standard length of steel rebars typically ranges from 6 meters to 12 meters, depending on the specific requirements and regulations of the construction industry in different countries.
- Q:Are there any limitations to using steel rebars in construction?
- Using steel rebars in construction has its limitations. For one, they can corrode when exposed to moisture and oxygen, especially in high humidity or coastal areas where saltwater can speed up corrosion. This corrosion weakens the structure over time, necessitating regular maintenance and inspections to prevent structural failure. Another limitation is their high thermal conductivity, which means they conduct heat and cold more easily than other materials. This can lead to increased energy transfer and potentially impact the overall energy efficiency of the building. Moreover, steel rebars are heavy and require specialized equipment for handling and installation. This raises construction costs and may restrict their use in applications where weight is a concern, such as high-rise buildings or areas with weak soil conditions. Further, steel rebars are vulnerable to electromagnetic interference, which can be problematic in buildings with sensitive electronic equipment or areas with high levels of electromagnetic radiation. Lastly, steel rebars are not environmentally friendly. Their production contributes to carbon dioxide emissions, and they have a high embodied energy, requiring a significant amount of energy for manufacturing and transportation. In conclusion, while steel rebars are widely utilized in construction for their strength and durability, it is crucial to consider these limitations and evaluate whether alternative materials or construction methods would be more appropriate for specific projects.
- Q:Can steel rebars be used in solar power plant construction?
- Yes, steel rebars can be used in solar power plant construction. Steel rebars are commonly used in the construction industry for reinforcing concrete structures, and solar power plants often require the construction of concrete foundations for the installation of solar panels and other equipment. The use of steel rebars helps to provide structural strength and durability to these concrete foundations, ensuring the stability and longevity of the solar power plant infrastructure. Additionally, steel rebars are resistant to corrosion, which is important in solar power plant construction as they are often exposed to various weather conditions. Overall, steel rebars are a suitable material for reinforcing concrete structures in solar power plant construction.
- Q:What are the environmental benefits of using steel rebars?
- Several environmental benefits are associated with the use of steel rebars in construction projects. Firstly, steel rebars can be reused or repurposed due to the high recyclability of steel. This reduces the need for new steel production and decreases the amount of waste sent to landfills. Furthermore, steel rebars have a longer lifespan compared to other construction materials like wood or concrete. This durability reduces the frequency of replacements and repairs, thereby decreasing the environmental impact related to the production and transportation of new materials. In addition, steel rebars provide superior strength and stability, leading to more resilient structures. This helps minimize the risk of structural failures or collapses, which can result in severe environmental consequences. By incorporating steel rebars, buildings and infrastructure gain enhanced overall safety and longevity, reducing the need for extensive future reconstruction or demolition. Moreover, steel rebars are resistant to corrosion, requiring less maintenance and upkeep over time. This reduces the use of chemicals and resources typically necessary for maintenance purposes, resulting in a lower environmental impact. Finally, steel rebars can be manufactured with a high percentage of recycled content, reducing the demand for new steel extraction and mitigating associated environmental impacts like deforestation and habitat destruction. Overall, the utilization of steel rebars in construction projects brings several environmental benefits, including the reduction of waste generation, increased durability, enhanced structural safety, lower maintenance requirements, and decreased reliance on new steel production.
- Q:How do steel rebars improve the flexural strength of concrete?
- Steel rebars improve the flexural strength of concrete by providing tensile strength, which is typically lacking in concrete. The rebars act as reinforcement, absorbing the tension forces that occur when the concrete is subjected to bending or flexing. This combination of concrete and steel rebars creates a composite material that is stronger and more resistant to cracking or breaking under flexural loads.
- Q:How are steel rebars specified in construction drawings?
- In construction drawings, steel rebars are specified using a combination of symbols, labels, and dimensions. These specifications provide detailed information about the size, shape, and placement of the rebars within the concrete structure. The specifications for steel rebars typically include the following information: 1. Rebar Size: The diameter of the rebar is specified using a numerical value, such as 8, 10, 12, etc., which indicates the bar size in millimeters or inches. 2. Rebar Shape: The shape of the rebar can be specified using symbols or abbreviations, such as "D" for deformed or "SD" for smooth and deformed. 3. Rebar Spacing: The spacing between rebars is typically specified using a numerical value, such as 150, 200, or 300, which indicates the distance between the centerlines of adjacent rebars in millimeters or inches. 4. Rebar Bending: If rebars need to be bent to a specific shape, the bending details are often included in the construction drawings. This includes the angle and radius of the bend, as well as the location at which the bending is required. 5. Rebar Placement: Construction drawings typically include plans, sections, and elevations that show the precise location and arrangement of the rebars within the concrete structure. These drawings may include details such as the number of rebars, their orientation, and their position relative to other elements of the structure. 6. Rebar Schedule: A rebar schedule is often provided in construction drawings, which summarizes all the specifications for each rebar element in a tabular format. This includes information such as the rebar mark, size, length, weight, and any special instructions. Overall, the specifications for steel rebars in construction drawings ensure that the rebars are correctly fabricated, installed, and integrated into the concrete structure, meeting the design requirements and ensuring the structural integrity and safety of the building.
- 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.
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GB Standard HRB335 Deformed Bars
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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