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 the main uses of threaded steel?
- The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction.
- Q: How are steel rebars stored on-site?
- Steel rebars are typically stored on-site in a horizontal position, either on racks or on elevated platforms, to prevent contact with the ground and minimize the risk of corrosion. They are often organized by size and type, and protected from the elements through the use of waterproof covers or tarps. Additionally, rebars should be kept away from moisture and excessive heat to maintain their structural integrity.
- Q: How do steel rebars affect the flexural strength of reinforced concrete elements?
- Steel rebars significantly enhance the flexural strength of reinforced concrete elements by providing tensile strength to counteract the concrete's weakness in tension, resulting in a more durable and resilient structure.
- Q: What are the guidelines for spacing and positioning steel rebars in concrete structures?
- The guidelines for spacing and positioning steel rebars in concrete structures are critical to ensure the structural integrity and durability of the construction. Here are some key guidelines to follow: 1. Rebar Spacing: The spacing between steel rebars in concrete structures is determined by the structural engineer or designer. It is typically expressed in terms of center-to-center spacing or clear distance between rebars. The spacing depends on the load requirements, concrete strength, and other factors specific to the project. The most common spacing ranges from 4 to 12 inches. 2. Cover Depth: The concrete cover depth refers to the distance between the outer surface of the concrete and the nearest surface of the rebar. It is essential to provide adequate cover to protect the rebars from environmental factors, such as corrosion and fire. The cover depth is typically specified in the project's design and can vary depending on the concrete's exposure conditions. 3. Rebar Positioning: The proper positioning of rebars is crucial to ensure they are placed in the designated locations within the concrete structure. The rebars should be securely supported and maintained in the correct alignment during the concrete pouring process. The positioning requirements may include specific lap lengths, overlaps, or hooking of rebars at junctions to ensure proper load transfer and structural continuity. 4. Chair Supports: Rebar chair supports are widely used to maintain the correct spacing and elevation of the rebars within the concrete structure. These supports are placed under the rebars at regular intervals to prevent sagging or displacement during concrete placement. The appropriate chair support type and height should be selected based on the project's requirements and the diameter of the rebars. 5. Tying and Binding: Proper tying and binding of rebars are essential to ensure they remain in position and maintain the required spacing during the concrete pouring process. Rebars should be tied securely using wire or rebar ties at appropriate intervals, typically every 12-18 inches. The ties should be tight enough to prevent movement but not overly tight to avoid damaging the rebars or causing concrete segregation. 6. Concrete Consolidation: During concrete placement, it is crucial to properly consolidate the concrete around the rebars to eliminate air voids and ensure adequate bonding between the concrete and the rebars. Vibrators or other consolidation techniques should be used to achieve proper compaction and ensure the rebars are thoroughly embedded in the concrete. Compliance with the guidelines for spacing and positioning steel rebars in concrete structures is essential to guarantee the structural strength, durability, and safety of the construction. It is crucial to consult and follow the project's design specifications and engage qualified professionals to ensure proper execution and adherence to these guidelines.
- Q: Why is the difference between left and right threads? What's the difference?
- Generally, the right-hand thread is in accordance with people's habits, just as the pointer of a clock is right. Compared with the less threaded but is indispensable, it has certain effect, more commonly used threaded on the rotating shaft with a more general rotation shaft are turning to the right, as some pump, motor, fan in the shaft as a tightening wheel for all kinds of leaves threaded, when the impeller rotation relative to the tightening nut, it has a different rotation inertia force, if it is the right-hand thread words will lead to a tightening mother increasingly loose causing impeller loose damaged equipment. This force in the switch machine or a great change in speed when the performance is particularly prominent, so the choice of left-handed thread more and more tight.
- Q: How are steel rebars marked for identification?
- Steel rebars are typically marked for identification by using different methods such as paint, tags, or embossed markings. These markings usually include information such as the grade of steel, manufacturer's logo, and bar size.
- Q: Can steel rebars be used in structures with limited construction budget?
- Yes, steel rebars can be used in structures with a limited construction budget. Steel rebars are commonly used in construction due to their strength and durability. They provide structural support and reinforcement to concrete, making it more resistant to tension and cracking. While steel rebars may have a higher upfront cost compared to other materials, they offer long-term cost savings. By using steel rebars, structures can have a longer lifespan, reducing the need for frequent repairs or replacements. Additionally, steel rebars can be prefabricated, saving time and labor costs during the construction process. Furthermore, steel rebars can be easily recycled, making them a sustainable choice for construction projects. Recycling steel reduces the need for extracting raw materials and decreases the environmental impact. Overall, steel rebars are an excellent choice for structures with limited construction budgets. They offer durability, longevity, and cost savings in the long run, making them a cost-effective option for construction projects.
- Q: How are steel rebars protected from fire damage?
- Steel rebars are protected from fire damage through various methods. One commonly used method is the application of fire-resistant coatings. These coatings are specifically designed to withstand high temperatures and prevent the steel from reaching its critical temperature, which is when it starts to lose its structural integrity. Another method is the use of fire-resistant concrete encasement. In this method, the rebars are embedded within a layer of concrete that has been specifically designed to resist fire. This concrete acts as a barrier, preventing the heat from directly reaching the steel rebars and thus protecting them from fire damage. Additionally, fire-resistant wraps or blankets can be used to provide temporary protection to steel rebars during construction. These wraps are made from fire-resistant materials and are applied directly to the rebars, creating a barrier that prevents direct exposure to fire. It is important to note that the level of fire protection required for steel rebars depends on the specific building codes and regulations in place. These codes typically specify the minimum fire resistance rating that must be achieved for structural elements, including rebars, in order to ensure the safety of the building and its occupants.
- Q: Can steel rebars be used in foundation systems?
- Yes, steel rebars can be used in foundation systems. Steel rebars, also known as reinforcing bars, are commonly used in concrete structures to enhance their strength and durability. In foundation systems, steel rebars are used to provide reinforcement and prevent cracking or failure of the concrete. They are typically embedded within the concrete to increase its tensile strength and improve its resistance to various external forces such as bending, shearing, and tension. Steel rebars are widely utilized in different types of foundation systems, including shallow foundations, deep foundations, and pile foundations, to ensure the stability and longevity of the structures.
- Q: What is the effect of exposure to high humidity on steel rebars?
- Exposure to high humidity can lead to corrosion of steel rebars. Moisture in the air can react with the iron in the steel, causing it to oxidize and form a layer of rust. This corrosion weakens the rebars and can compromise the integrity of the structure they are supporting. Regular maintenance and protective coatings are necessary to prevent this damage and ensure the longevity of steel rebars in high humidity environments.
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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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