Hot Rolled Steel Rebars GB 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 GB 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 GB 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 GB 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
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 | ||||||
Grade | Technical data of the original chemical composition (%) | |||||||
C | Mn | Si | S | P | V | |||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | ||
Physics capability | ||||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%) | ||||||
≥400 | ≥570 | ≥14 | ||||||
FAQ:
Q1: How many tons of steel products could be loaded in containers?
A1: 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.
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: How are steel rebars protected against lightning strikes?
- The process of "bonding" shields steel rebars from lightning strikes. When constructing a building, steel rebars are linked to a lightning protection system to safely redirect the electrical energy of a lightning strike into the ground. This system typically comprises lightning rods or air terminals positioned at the highest points of the building to attract the lightning strike. Subsequently, the rebars are interconnected with conductor cables, creating a network that effectively grounds the lightning current. The conductor cables are fastened to the lightning rods and extend down the building, connecting with the rebars at various points. By bonding the rebars with the lightning protection system, the electrical charge from a lightning strike is efficiently conducted away from the building and harmlessly discharged into the ground. Moreover, additional precautions such as surge protection devices are frequently installed to further safeguard the rebars and the overall building from potential damage caused by voltage surges resulting from lightning strikes. These surge protection devices assist in minimizing the risk of electrical surges that could potentially compromise the integrity of the rebars. To conclude, steel rebars are shielded against lightning strikes by establishing a proper bond with a lightning protection system. This ensures that the electrical energy from a lightning strike is securely directed away from the building and grounded, thereby reducing the risk of damage to the rebars and the overall structural integrity.
- Q: What is the average lifespan of a reinforced concrete structure with steel rebars?
- The average lifespan of a reinforced concrete structure with steel rebars can vary depending on various factors such as design, construction quality, environmental exposure, and maintenance. However, with proper design, construction practices, and regular maintenance, reinforced concrete structures with steel rebars can typically last for several decades or even over a century.
- Q: What are the different types of corrosion protection coatings for steel rebars?
- There are several types of corrosion protection coatings available for steel rebars, each offering different levels of protection and durability. 1. Epoxy Coatings: Epoxy coatings are one of the most common and effective corrosion protection coatings for steel rebars. They provide a thick, durable barrier that prevents moisture and corrosive substances from reaching the steel surface. Epoxy coatings can be applied by spray, brush, or dip methods and provide excellent adhesion and resistance to chemicals. 2. Zinc Coatings: Zinc coatings, such as hot-dip galvanization or zinc-rich paint, are another popular choice for corrosion protection. These coatings create a sacrificial barrier, where the zinc corrodes instead of the steel rebar. Zinc coatings are highly effective in preventing corrosion, even in harsh environments, and can be applied in various thicknesses depending on the level of protection required. 3. Fusion-Bonded Epoxy (FBE) Coatings: FBE coatings are commonly used in underground or submerged applications. These coatings are applied by heating the steel rebar, which causes the epoxy powder to melt and bond to the surface. FBE coatings provide excellent corrosion resistance and are resistant to chemicals, abrasion, and impact. 4. Polymer Coatings: Polymer coatings, such as polyurethane or polyethylene, are often used in high-temperature environments or where chemical resistance is required. These coatings provide a protective barrier that is resistant to UV radiation, abrasion, and chemicals. Polymer coatings can be applied by spray or dip methods and offer good adhesion to the steel surface. 5. Concrete Coatings: In reinforced concrete structures, the concrete itself can act as a corrosion protection coating for the steel rebars. The high alkalinity of concrete creates a protective layer around the steel, known as the passivating layer, which helps prevent corrosion. Additionally, the use of corrosion inhibitors in the concrete mix can enhance the corrosion protection of steel rebars. It is important to select the appropriate corrosion protection coating based on the specific environmental conditions, intended application, and required durability. Consulting with experts or engineers experienced in corrosion protection can help determine the most suitable coating for steel rebars in a given situation.
- Q: How do steel rebars affect the overall lifespan of a structure?
- Steel rebars play a crucial role in enhancing the overall lifespan of a structure. The addition of rebars in reinforced concrete significantly improves the strength, durability, and structural integrity of the building. Firstly, steel rebars provide reinforcement to the concrete, making it capable of withstanding heavy loads and stresses. Concrete itself is strong in compression but lacks tensile strength. By incorporating rebars, the concrete is able to resist tension forces, preventing cracks and failures that could compromise the structure's longevity. Furthermore, steel rebars act as a barrier against corrosion. Concrete is a porous material, and when water and moisture penetrate its surface, it can reach the embedded steel, leading to rust and subsequent weakening of the structure. However, rebars are made of corrosion-resistant materials, such as stainless steel or epoxy-coated steel, which protect them from corrosion, ensuring the longevity of the structure. In addition, steel rebars enhance the overall stability and load-bearing capacity of the structure. By reinforcing critical areas, such as beams, columns, and foundation, rebars increase the structure's ability to resist seismic forces, wind loads, and other external pressures. This reinforcement significantly reduces the risk of structural failure and improves the structural lifespan. Moreover, steel rebars allow for flexibility and adaptability in design. Their availability in various sizes and shapes enables engineers to customize the reinforcement according to the specific needs of the structure. This flexibility ensures that the structure is optimized for maximum strength and durability, further extending its lifespan. In conclusion, steel rebars play a vital role in increasing the overall lifespan of a structure. Their ability to reinforce concrete, resist corrosion, enhance stability, and provide design flexibility ensures that the building can withstand various loads and environmental conditions, minimizing the risk of premature failure and ensuring the longevity of the structure.
- Q: What are the advantages of using stainless steel rebars?
- Using stainless steel rebars in construction projects offers several advantages. Firstly, these rebars have a remarkable resistance to corrosion, making them perfect for structures in harsh environments such as coastal or industrial areas. Unlike traditional carbon steel rebars, stainless steel rebars do not easily rust or corrode, ensuring the durability and longevity of the structure. Secondly, stainless steel rebars possess a higher tensile strength compared to carbon steel rebars. This means they can endure greater stress and loads without deforming or breaking, resulting in a safer and more reliable structure. Moreover, their high tensile strength allows for the utilization of smaller rebars, which saves construction costs and reduces the overall weight of the structure. Furthermore, stainless steel rebars exhibit excellent fire resistance properties. They retain their strength and integrity much better than carbon steel in the event of a fire, reducing the risk of structural collapse. This is particularly crucial in buildings with high fire safety requirements, such as hospitals, schools, and high-rise structures. Another advantage of stainless steel rebars is their low maintenance requirements. Due to their corrosion resistance, they do not need regular inspections or costly protective coatings. This saves both time and money in maintenance efforts. Lastly, stainless steel rebars are highly sustainable and environmentally friendly. They are 100% recyclable, reducing the demand for new raw materials and minimizing waste in construction projects. Additionally, the long lifespan of stainless steel rebars reduces the need for frequent replacements, further minimizing the environmental impact. To summarize, the benefits of using stainless steel rebars include excellent corrosion resistance, high tensile strength, superior fire resistance, low maintenance requirements, and sustainability. These advantages make stainless steel rebars the preferred choice for construction projects that prioritize durability, safety, and long-term value.
- Q: How are steel rebars protected against mechanical damage during construction?
- Steel rebars are protected against mechanical damage during construction through various methods. One common method is by using protective covers or sleeves made of materials such as plastic or rubber. These covers are placed over the rebars to create a physical barrier, preventing them from being directly exposed to potential sources of damage, such as heavy machinery or construction equipment. Another method of protection is by using rebar caps or safety caps. These caps are designed to fit over the ends of the rebars, providing an extra layer of protection against mechanical damage. They help to prevent the rebars from being bent, crushed, or damaged by accidental impacts. In addition to physical protection, rebars can also be protected against mechanical damage through proper storage and handling. It is important to store rebars in a designated area that is free from any potential sources of damage, such as sharp objects or heavy materials. When handling rebars, workers should use proper lifting techniques and avoid dragging them on rough surfaces, as this can cause scratches or other forms of damage. Furthermore, during construction, rebars are often inspected regularly to ensure that they are not damaged or compromised. Any rebars that show signs of damage, such as bends, cracks, or deformations, are typically replaced to maintain the structural integrity of the construction project. By implementing these protective measures, steel rebars can be safeguarded against mechanical damage during construction, ensuring their effectiveness in providing strength and reinforcement to the structures they are used in.
- Q: Can steel rebars be used in the construction of sound barriers and noise walls?
- Yes, steel rebars can be used in the construction of sound barriers and noise walls. Steel rebars are commonly used as reinforcement in concrete structures, which are often used to build sound barriers and noise walls. They provide strength, durability, and structural integrity to these barriers, ensuring they can effectively reduce noise pollution.
- Q: What are the common mistakes to avoid while using steel rebars in construction?
- Some common mistakes to avoid while using steel rebars in construction include inadequate spacing between rebars, incorrect placement of rebars, inadequate cover for rebars, improper anchoring of rebars, and using damaged or rusted rebars.
- Q: Are steel rebars easy to cut and shape?
- Yes, steel rebars are relatively easy to cut and shape due to their malleability and strength. They can be cut using various tools such as a hacksaw or an angle grinder, and can also be bent or shaped into different forms using specialized equipment.
- Q: How do steel rebars affect the overall cost-effectiveness of a structure?
- The overall cost-effectiveness of a structure is greatly improved by the presence of steel rebars. These reinforcement bars are extensively used in construction projects to provide concrete structures with strength, durability, and stability. By incorporating steel rebars, the lifespan of a structure is significantly extended, resulting in reduced requirements for frequent repairs and maintenance, ultimately lowering long-term expenses. One of the main advantages of using steel rebars is their ability to reinforce concrete, enabling it to withstand heavy loads and forces. This reinforcement prevents cracks and structural failures, ensuring the long-lasting nature of the structure. Consequently, the need for expensive repairs and replacements is minimized, resulting in cost savings over the structure's lifetime. Furthermore, steel rebars enhance the overall structural integrity of a building, reducing the risk of damage caused by natural disasters such as earthquakes and high winds. This increased resilience not only saves lives but also reduces the financial burden of rebuilding or repairing a damaged structure. In addition to their strength and durability, steel rebars provide cost-effectiveness during the construction phase itself. These bars can be prefabricated off-site, allowing for efficient and streamlined construction processes. This reduces labor costs, accelerates construction timelines, and minimizes material wastage, leading to overall cost savings. Moreover, steel rebars can be recycled, making them an environmentally friendly choice. The recycling process not only reduces the demand for raw materials but also lowers production costs, contributing to the cost-effectiveness of a structure. In conclusion, steel rebars enhance the cost-effectiveness of a structure by increasing its lifespan, reducing maintenance and repair costs, improving resilience to natural disasters, optimizing construction processes, and promoting environmental sustainability. By incorporating steel rebars into construction projects, developers and owners can maximize the return on investment while ensuring the safety and longevity of the structure.
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Hot Rolled Steel Rebars GB 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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