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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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: What are steel rebars?
- Steel rebars, also known as reinforcement bars, are long, cylindrical steel rods that are commonly used in construction to provide strength and stability to concrete structures. These rebars are embedded within the concrete and act as a tensioning device, reinforcing the material and preventing it from cracking or collapsing under pressure. They are essential in enhancing the structural integrity and durability of buildings, bridges, and other concrete-based infrastructure projects.
- Q: Are steel rebars suitable for reinforcement in historical buildings?
- Steel rebars can be suitable for reinforcement in historical buildings, depending on various factors such as the structural requirements, the condition of the building, and the preservation goals. However, careful consideration should be given to ensure that the rebars do not compromise the historical integrity or aesthetics of the building. It is important to consult with experts in historic preservation and structural engineering to make an informed decision.
- Q: What are the different types of coatings available for steel rebars to prevent corrosion?
- There are several types of coatings available for steel rebars to prevent corrosion. These coatings are designed to provide a protective barrier between the steel rebar and the surrounding environment, thereby preventing or minimizing the corrosion process. The different types of coatings include: 1. Epoxy Coating: This is a commonly used coating for steel rebars. It is a thermosetting polymer that forms a strong and durable protective layer. Epoxy coatings are known for their excellent resistance to chemicals and abrasion. 2. Zinc Coating: Zinc coatings, such as hot-dip galvanization, are widely used to protect steel rebars from corrosion. The zinc layer acts as a sacrificial anode, meaning it corrodes instead of the steel rebar, protecting it from oxidation. 3. Fusion-Bonded Epoxy Coating: This coating involves melting epoxy powder onto the steel rebar's surface, creating a strong bond. Fusion-bonded epoxy coatings are resistant to corrosion, chemicals, and moisture. 4. Polymer Coating: Polymer coatings, such as polyethylene or polypropylene, provide a protective layer against corrosion. These coatings are highly resistant to chemicals, abrasion, and moisture, ensuring long-term protection for the steel rebar. 5. Concrete Coating: Concrete can act as a protective coating for steel rebars when it is properly applied. The alkaline environment of concrete helps to passivate the steel rebar, forming a protective oxide layer that prevents further corrosion. 6. Stainless Steel Coating: Applying a thin layer of stainless steel onto the steel rebar's surface can significantly enhance its corrosion resistance. Stainless steel coatings offer excellent durability and resistance to harsh environments. It is important to choose the appropriate coating based on the specific application and environmental conditions to ensure optimal protection against corrosion for steel rebars.
- Q: How are steel rebars cut and shaped on-site?
- Steel rebars are typically cut and shaped on-site using handheld tools such as rebar cutters and benders. Rebar cutters are used to accurately cut the rebars to the required length, while rebar benders are used to shape the rebars into various configurations such as bends, hooks, or stirrups. These tools allow construction workers to customize the rebars according to the specific needs of the project, ensuring a precise and efficient installation.
- Q: Can steel rebars be used in marine construction projects?
- Yes, steel rebars can be used in marine construction projects. They are commonly used for reinforcing concrete structures in marine environments due to their high strength, durability, and resistance to corrosion. However, proper protective measures such as coating or stainless steel rebars should be used to enhance their resistance against saltwater and prevent corrosion.
- Q: Can steel rebars be used in the construction of residential complexes?
- Yes, steel rebars can be used in the construction of residential complexes. Steel rebars are commonly used as reinforcement in concrete structures, including residential buildings, to provide strength and stability. They help to distribute the load and resist tension, enhancing the overall structural integrity of the complex.
- Q: What are the recommended practices for welding steel rebars?
- The recommended practices for welding steel rebars include ensuring proper surface preparation to remove any contaminants, selecting the appropriate welding process (such as shielded metal arc welding or gas metal arc welding), using the correct electrode or filler material, maintaining the appropriate welding parameters (current, voltage, travel speed), and performing regular inspections to ensure the quality and integrity of the welds. It is also important to follow safety guidelines, such as wearing appropriate protective equipment and working in a well-ventilated area.
- Q: What is the effect of impurities on the corrosion resistance of steel rebars?
- Impurities can have a significant effect on the corrosion resistance of steel rebars. Steel rebars are primarily composed of iron and carbon, but impurities such as sulfur, phosphorus, and silicon can be present in varying amounts. Sulfur, for example, is a common impurity found in steel. It can react with water and oxygen to form sulfuric acid, which accelerates the corrosion process. This acid attack can cause the rebars to deteriorate faster, reducing their overall strength and durability. Phosphorus is another impurity that can negatively impact the corrosion resistance of steel rebars. It can promote the formation of localized corrosion sites, known as pitting, which can lead to the development of rust and eventual structural damage. Silicon, although generally considered a beneficial element in steel production, can also have an adverse effect when present in excessive amounts. Higher silicon levels in rebars can lead to the formation of a protective oxide layer, but this layer can sometimes be porous, allowing the penetration of corrosive agents and resulting in corrosion. Overall, the presence of impurities in steel rebars can compromise their corrosion resistance. It is crucial to ensure that the steel used in construction meets the specified standards and contains minimal impurities. Additionally, proper maintenance and regular inspection of rebars are essential to identify and address any potential corrosion issues before they lead to significant damage or structural failures.
- Q: How do steel rebars prevent concrete structures from collapsing?
- Reinforcement and strength are provided to concrete structures by steel rebars, which prevent their collapse. Concrete is capable of withstanding forces that compress or squeeze it, making it a strong material. However, it is not able to withstand forces that pull it apart, resulting in weakness in tension. When subjected to tension, concrete may crack and ultimately fail. To counteract these tensile forces and offer additional strength, reinforcement bars, also known as steel rebars, are typically embedded within concrete structures. These rebars are made of high-strength steel and are strategically placed to resist the pulling forces. When external forces, such as wind or seismic activity, impact a concrete structure, the rebars assist in distributing the load and resisting tension. As the concrete attempts to separate, the rebars hold it together, preventing the propagation of cracks and maintaining the structure's integrity. Additionally, the rebars enhance the overall durability and lifespan of the concrete structure. By reinforcing the concrete, they mitigate the effects of shrinkage and thermal expansion, which can lead to cracks over time. Consequently, a more stable and resilient structure is achieved, capable of withstanding various environmental and structural stresses. In conclusion, steel rebars are crucial in averting the collapse of concrete structures, as they provide the necessary reinforcement and strength to resist tension. They elevate the structural integrity, durability, and safety of concrete structures, ensuring their ability to withstand demands and fulfill their intended purpose for extended periods.
- Q: Can steel rebars be used in the construction of office buildings?
- Yes, steel rebars can be used in the construction of office buildings. Steel rebars are commonly used as reinforcement in concrete structures, including office buildings, to provide strength and stability. They are crucial in reinforcing the concrete and enhancing the building's overall structural integrity.
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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
OKorder Financial Service
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