Hot Rolled Steel Rebars Deformed bar JIS standard
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
OKorder is offering Hot Rolled Steel Rebars Deformed bar JIS standard 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:
Hot Rolled Steel Rebars Deformed bar JIS standard are ideal for structural applications and are widely used in forest region, Mines, factories and construction sites laid of the place such as temporary transport line and light motorcycles with line..
Product Advantages:
OKorder's Hot Rolled Steel Rebars Deformed bar JIS standard 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,HRB400,HRB500
Certificates: ISO, SGS, BV, CIQ
Diameter:10mm-32mm
Packing: products are packed in coils and shipped by break bulk or containers
Deformed Steel Bar | ||
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
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 many tons of steel products could be loaded in containers?
A2: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
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:Is the finish steel 3 grade steel?
- The mechanical properties of finishing rolling rebar with GB/T "20065-2006" thread steel bar for prestressed concrete, the prestressed concrete rebar (also known as the finishing rolling rebar, hereinafter referred to as reinforced) the terms and definitions, strength grade, size, shape, weight and tolerances, technical requirements, test method, inspection rules, packaging, mark and quality certificate. The standard applies to the use of hot rolling, after rolling waste heat treatment or heat treatment processes such as the production of prestressed concrete rebar.
- Q:Are steel rebars available in different shapes and profiles?
- Yes, steel rebars are available in different shapes and profiles. The most common shape of steel rebars is the plain round bar, which is circular in shape and has a smooth surface. However, there are also other shapes and profiles available such as deformed bars, which have ribs or indentations along their length. These ribs provide better adhesion between the rebars and the surrounding concrete, increasing the overall strength and stability of the structure. Additionally, steel rebars can be found in various sizes and lengths to suit different construction needs. Some examples of different profiles include square bars, flat bars, and T-shaped bars. These various shapes and profiles provide flexibility and options for engineers and builders to choose the most suitable type of steel rebar for their specific construction projects.
- Q:What is the cost of steel rebars compared to other materials?
- The cost of steel rebars is generally higher compared to other materials commonly used in construction, such as wood or concrete. However, steel rebars offer superior strength, durability, and longevity, making them a preferred choice for applications requiring high structural integrity and resilience. The higher initial investment in steel rebars is typically outweighed by their long-term benefits and reduced maintenance costs.
- Q:Can steel rebars be used in foundation underpinning?
- Yes, steel rebars can be used in foundation underpinning. Rebars provide additional strength and support to the foundation, helping to reinforce and stabilize it.
- Q:What are the guidelines for the proper cover thickness of steel rebars?
- The guidelines for the proper cover thickness of steel rebars are established to ensure the structural integrity and durability of reinforced concrete structures. The cover thickness refers to the distance between the outer surface of the rebar and the edge or surface of the concrete. The specific guidelines for cover thickness may vary depending on the design requirements, environmental conditions, and the intended use of the structure. However, there are generally accepted minimum cover thickness values provided by various international building codes and standards. The primary purpose of having an adequate cover thickness is to protect the steel rebar from corrosion caused by environmental factors such as moisture, carbonation, and chloride ingress. Corrosion can significantly weaken the rebars, compromising the structural integrity of the reinforced concrete. The recommended minimum cover thickness for steel rebars is typically determined based on the exposure conditions. For instance, in normal environmental conditions, a minimum cover thickness of 25mm to 40mm is often specified. In more aggressive environments, such as coastal areas with high chloride content or structures in contact with soil, a greater cover thickness of 50mm or more may be required. It is crucial to follow these guidelines to ensure the longevity and safety of the structure. Inadequate cover thickness can lead to accelerated corrosion of the rebars, resulting in reduced load-bearing capacity, cracking, and ultimately structural failure. Therefore, it is essential to consult the applicable building codes, standards, and design professionals to determine the appropriate cover thickness for steel rebars in a specific construction project.
- Q:How do steel rebars improve the strength and durability of concrete?
- Steel rebars improve the strength and durability of concrete in several ways. Firstly, rebars provide reinforcement to the concrete structure, increasing its tensile strength. Concrete is excellent at withstanding compression forces, but it is relatively weak when it comes to tension. By embedding steel rebars within the concrete, the tensile strength of the structure is significantly enhanced. This means that the concrete can resist bending, cracking, and collapsing under heavy loads or external forces. Secondly, steel rebars prevent cracking and shrinkage in the concrete. Concrete tends to shrink as it dries and cures, leading to the development of cracks. However, rebars help to control and restrict this shrinkage by providing additional support and structural integrity. This helps to minimize the occurrence of cracks and ensures that the concrete remains strong and durable over time. Furthermore, steel rebars improve the overall structural stability of the concrete. When concrete is subjected to dynamic loads or seismic activity, it can experience significant deformation or even failure. The presence of rebars helps to distribute the load more evenly throughout the concrete structure, reducing the risk of localized damage or collapse. This enhances the overall stability and safety of the concrete construction. Lastly, steel rebars increase the longevity and durability of concrete structures. The steel used in rebars is highly resistant to corrosion, which is a common issue in concrete exposed to harsh environmental conditions or moisture. By providing a protective layer around the steel, known as passivation, rebars prevent corrosion and maintain the structural integrity of the concrete for an extended period. This ensures that the concrete remains strong, durable, and resistant to degradation over its lifespan. In summary, steel rebars play a crucial role in improving the strength and durability of concrete. They enhance the tensile strength, prevent cracking and shrinkage, enhance structural stability, and increase the longevity of the concrete structure. With the addition of steel rebars, concrete becomes a reliable and long-lasting construction material capable of withstanding various loads and environmental conditions.
- Q:What is the recommended lap length for steel rebars in concrete joints?
- The recommended lap length for steel rebars in concrete joints is typically specified by structural engineers and can vary depending on factors such as the diameter of the rebar, the type of concrete being used, and the desired level of structural integrity. It is important to consult the relevant building codes and engineering standards for specific guidelines and requirements.
- Q:How are steel rebars stored and handled on construction sites?
- Steel rebars, also referred to as reinforcing bars, play a vital role in construction projects that involve reinforced concrete structures. To guarantee their safety and effective utilization, these rebars are systematically and meticulously stored and managed on construction sites. Initially, steel rebars are typically delivered to construction sites bundled together and secured with wire or binding materials. Once unloaded from the delivery truck, they are carefully placed in specific areas called rebar yards or cages. These designated spaces are purposefully designed to accommodate the rebars' length, size, and weight, ensuring that they are elevated above the ground and shielded from moisture, dirt, and potential damage. Within the rebar yard, the rebars are commonly arranged horizontally and grouped based on their size, length, and grade. This arrangement enables easy identification and accessibility when required for construction purposes. Moreover, spacers or wooden blocks are often placed between the rebars to prevent direct contact, minimizing the risk of corrosion or entanglement. When it comes to handling steel rebars, construction workers must prioritize safety and adhere to specific guidelines. It is essential to wear personal protective equipment, such as gloves and safety boots, to prevent injuries and maintain a secure grip on the rebars. In certain cases, lifting equipment like cranes or forklifts may be utilized to move and transport the rebars to different areas of the construction site. During transportation, it is crucial to properly secure the rebars to prevent any shifting or falling that could result in accidents. Dragging the rebars on the ground should be avoided, as it can cause damage or deform their shape, compromising their structural integrity. It is of utmost importance to inspect steel rebars before use to ensure they meet the required specifications and are free from any defects. Rusty or damaged rebars should be either discarded or repaired, depending on the severity of the issue. In conclusion, steel rebars are stored and handled with great care and attention on construction sites. Proper storage in designated rebar yards, appropriate grouping and separation, and adherence to safety guidelines during handling are all crucial factors that contribute to the successful and efficient use of steel rebars in construction projects.
- Q:What are the limitations of using steel rebars?
- Construction projects face several limitations when using steel rebars. To begin with, steel rebars are prone to corrosion. Exposure to moisture and oxygen causes rusting over time, weakening the rebars and compromising the concrete's structural integrity. Protective coatings like epoxy are often applied, but these can degrade and necessitate maintenance. Additionally, steel rebars have a high thermal expansion coefficient, meaning they expand and contract considerably with temperature fluctuations. This can lead to stress and concrete cracking, especially in regions with extreme temperature variations. Engineers often incorporate expansion joints and other methods to accommodate rebars' thermal expansion. Moreover, steel rebars are heavy and can be challenging to handle and transport. Their weight can increase the overall structure's weight, requiring additional support or reinforcement. Additionally, transporting steel rebars to construction sites is costly and time-consuming. Furthermore, steel rebars are a finite resource with environmental consequences. Extracting and producing steel demand significant energy and contribute to greenhouse gas emissions. The depletion of natural resources necessary for steel production is also a concern. Lastly, steel rebars conduct heat and electricity, posing safety risks in certain situations. For instance, in areas prone to lightning strikes, the presence of steel rebars heightens the chances of electrical damage. In conclusion, despite their strength and durability, steel rebars in construction have limitations such as corrosion susceptibility, thermal expansion issues, high weight, environmental impact, and electrical conductivity. Engineers and architects must consider these limitations and implement appropriate measures to address them in construction projects.
- Q:Can steel rebars be used in tunnel construction projects?
- Yes, steel rebars can be used in tunnel construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including tunnels. They provide the necessary strength and durability to withstand the loads and stresses that tunnels are subjected to. The rebars are typically placed within the concrete lining of the tunnel to enhance its structural integrity and prevent cracking or collapse. In addition, steel rebars can be easily shaped and bent to match the specific design requirements of the tunnel, making them a versatile and practical choice for tunnel construction projects.
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Hot Rolled Steel Rebars Deformed bar JIS standard
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 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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