Hot Rolled Carbon Steel Rebar 32mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
OKorder is offering Hot Rolled Carbon Steel Rebar 32mm with High Quality 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Carbon Steel Rebar 32mm with High Quality is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Product Advantages:
OKorder's Hot Rolled Carbon Steel Rebar 32mm with High Quality are durable, strong.packed and suitable for construction
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 BS4449 Grade460 ASTM Grade40 Grade60
Certificates: ISO, SGS, BV, CIQ
Length:6m 8m 9m 12m
Packaging: Export packing, packed by coil
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 begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: How many tons per bundle?
A4: Around 2-3tons
Q5: How to avoid the rust after deliver the goods to the loading port?
A5: We will keep the goods at the port covered with water-proof material
Q6: What is the chemical composition and physical properties of HRB400?
A6:
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 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Images:
- Q:Is the theoretical weight of threaded steel and round steel the same?
- The theoretical weight of threaded steel and round steel is the same. The middle part of the steel bar size ratio is small, the design time actually unit weight are the same, just screw steel crescent and transverse ribs prominent, resulting in heavy steel should be better than the illusion of formula is 0.00617 multiplied by the square of the diameter / m.
- Q:What are the factors that affect the durability of steel rebars in concrete?
- There are several factors that affect the durability of steel rebars in concrete. These include the quality of the steel used, the concrete mix design, the level of exposure to environmental conditions, the presence of moisture and chemicals, and the degree of corrosion protection provided. Other factors such as construction techniques, design considerations, and maintenance practices also play a role in determining the durability of steel rebars in concrete structures.
- Q:What is the typical weight per meter of a steel rebar?
- The typical weight per meter of a steel rebar can vary depending on its size and grade. However, as a general guideline, a standard mild steel rebar with a diameter of 10 millimeters (mm) usually weighs around 0.616 kilograms per meter (kg/m). For larger sizes, such as a 20 mm rebar, the weight per meter can increase to approximately 2.47 kg/m. It is important to note that these values are approximate and may vary slightly depending on the specific manufacturing standards and regional regulations.
- Q:Are there any restrictions on the use of steel rebars in certain regions?
- Yes, there can be restrictions on the use of steel rebars in certain regions due to building codes, regulations, and safety standards. These restrictions are typically implemented to ensure structural integrity, prevent corrosion, and comply with seismic requirements. It is important to consult local authorities and construction guidelines to determine specific restrictions in a particular region.
- Q:What is the elongation of steel rebars?
- The elongation of steel rebars refers to the amount of deformation or stretching the rebars can undergo before they reach their breaking point.
- Q:What is the process of galvanizing steel rebars?
- The process of galvanizing steel rebars involves immersing them in a bath of molten zinc to create a protective coating. This coating helps to prevent corrosion and extends the lifespan of the rebars. The steel rebars are first cleaned and prepared by removing any impurities or mill scale. Then, they are dipped into the zinc bath, where the zinc bonds with the surface of the steel through a metallurgical reaction. Afterward, the rebars are withdrawn from the bath, excess zinc is removed, and they are allowed to cool and solidify. The resulting galvanized rebars are ready to be used in construction projects, providing increased durability and resistance to environmental factors.
- Q:How do steel rebars resist alkali-silica reaction in concrete?
- The primary reason why steel rebars can withstand the alkali-silica reaction in concrete is because of the passive film that forms on their surface and the alkaline environment of the concrete. When steel rebars are embedded in concrete, they develop a passive film on their surface. This film serves as a protective layer that prevents direct contact between the steel and the aggressive alkali-silica reactive aggregates that are present in the concrete. The formation of this passive film is a result of the high pH of the alkaline environment created by the cement in the concrete, which usually has a pH level of 12-13. This high pH aids in the creation of an oxide layer on the surface of the steel rebar, effectively shielding it from the reactive elements in the aggregates. Moreover, the alkaline environment of the concrete plays a crucial role in maintaining the passivity of the steel rebars. The alkalinity of the concrete enables the passive film to remain stable and intact, providing a continuous barrier against the alkali-silica reaction. As long as the pH of the concrete remains high, the steel rebars will continue to resist the reaction. It is important to note that the thickness and quality of the passive film on the steel rebars are vital in guaranteeing their resistance to the alkali-silica reaction. Any factors that can compromise the integrity of this film, such as carbonation or chloride contamination, can increase the risk of the reaction occurring. In conclusion, the resistance of steel rebars to the alkali-silica reaction in concrete is primarily due to the presence of a passive film on their surface, which is formed by the alkaline environment of the concrete. This film functions as a protective barrier, preventing direct contact between the steel and the reactive aggregates and minimizing the likelihood of the reaction occurring.
- Q:How do steel rebars contribute to the overall occupant comfort of a building?
- Steel rebars contribute to the overall occupant comfort of a building by providing structural strength and stability. They reinforce the concrete, ensuring that the building can withstand various forces such as wind, earthquakes, and heavy loads. This enhances the safety of the occupants, assuring them of a secure and stable structure. Additionally, steel rebars help in maintaining the integrity of the building over time, reducing the risk of cracks or structural failures that could negatively impact occupant comfort.
- Q:How do steel rebars contribute to the overall durability and service life of concrete structures?
- Steel rebars contribute to the overall durability and service life of concrete structures in several ways. Firstly, they enhance the tensile strength of concrete, which is otherwise weak in tension. By providing reinforcement, rebars help distribute the load evenly, preventing cracks and failure due to excessive stress. Additionally, rebars help to control shrinkage and thermal expansion, minimizing the risk of cracking and ensuring the structural integrity of the concrete. Furthermore, steel rebars are corrosion-resistant, protecting the concrete from the detrimental effects of moisture and other environmental factors. Overall, the presence of steel rebars significantly improves the strength, durability, and longevity of concrete structures.
- Q:How do steel rebars enhance the load-bearing capacity of a structure?
- Steel rebars serve to enhance the load-bearing capacity of a structure by reinforcing and strengthening the concrete. Essentially, they are embedded within the concrete, acting as a skeleton or framework that provides additional strength to the structure. The main purpose of steel rebars is to withstand tension forces that the concrete alone may not be able to withstand. When a structure is subjected to heavy loads or external forces, such as earthquakes or wind, the concrete may crack or fail under the stress. However, the steel rebars help distribute and absorb these forces, preventing the concrete from breaking apart. The ribbed surface of the rebars improves the bond between the steel and the concrete, ensuring effective transfer of loads between the two materials. This bond allows the rebars to resist tension and compression forces, as well as shear forces, resulting in an overall increase in load-bearing capacity. Moreover, steel rebars help control and limit the width and depth of cracks that may occur in the concrete. By restraining crack propagation, rebars prevent the cracks from expanding and compromising the structural integrity of the building. This is particularly crucial in earthquake-prone regions, where a structure's ability to withstand ground movements is of utmost importance. Additionally, steel rebars contribute to the durability and longevity of a structure. They possess high tensile strength, enabling them to withstand significant pulling forces without deforming or breaking. This property ensures that the structure remains stable and secure over time, even under dynamic or extreme loading conditions. In conclusion, steel rebars play a vital role in enhancing the load-bearing capacity of a structure by reinforcing the concrete, increasing its resistance to tension forces, and controlling crack propagation. Their presence significantly improves the structural integrity, durability, and safety of buildings, making them an indispensable component in modern construction practices.
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Hot Rolled Carbon Steel Rebar 32mm with High Quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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