Reinforcing Deformed with high quality Steel Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 20000 m.t/month
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Product Description:
OKorder is offering Reinforcing Deformed with high quality Steel Bars Building Material China Manufacturer 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:
Reinforcing Deformed with high quality Steel BarsBuilding Material China Manufacturer are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Reinforcing Deformed with high quality Steel Bars,Building Material China Manufacturer are durable, strong, and resist corrosion.
Main Product Features:
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
HRB400 Deformed Steel Bar Details:
Minimum Order Quantity: | 25MT | Unit: | m.t. | Loading Port: | China Main Port |
Supply Ability: | 800000TONS/YEAR | Payment Terms: | TT or LC |
Product Description:
Specifications of HRB400 Deformed Steel Bar:
Standard | GB | HRB400 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Place of origin | Hebei, China mainland | ||
Advantages | exact size, regular package, chemical and mechanical properties are stable. | ||
Type | Hot rolled deformed steel bar | ||
Brand name | DRAGON | ||
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
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 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
FAQ
Q1: How do we guarantee the quality of our products?
A1: 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.
Q2: How soon can we receive the product after purchase?
A2: 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.
Q3: Why buy Materials & Equipment from OKorder.com?
A3: 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.
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- Q: What are the different types of steel rebars used in earthquake-prone regions?
- In earthquake-prone regions, several types of steel rebars are commonly used, including carbon steel rebars, stainless steel rebars, and epoxy-coated rebars. Carbon steel rebars are the most widely used due to their high strength and cost-effectiveness. Stainless steel rebars provide excellent corrosion resistance and durability, making them suitable for aggressive environments. Epoxy-coated rebars offer protection against corrosion and are often used in locations with high moisture content. The choice of rebar type depends on the specific requirements and conditions of the earthquake-prone region.
- Q: How are steel rebars protected against alkali attacks?
- Steel rebars are protected against alkali attacks through the use of various techniques and materials. One common method is to apply a protective coating on the surface of the rebars. This coating acts as a barrier, preventing direct contact between the alkaline environment and the steel. Some commonly used coatings include epoxy, zinc, and polyethylene. These coatings are designed to be durable and provide long-term protection against alkali attacks. Another method of protection is through the use of corrosion inhibitors. These inhibitors are added to the concrete mixture during construction. They work by reducing the corrosive effects of alkali on the steel rebars. Corrosion inhibitors form a protective film on the surface of the steel, preventing the alkali from reaching the rebar and causing damage. In addition to coatings and corrosion inhibitors, proper concrete mix design can also play a significant role in protecting rebars against alkali attacks. By optimizing the composition of the concrete mix, engineers can reduce the alkalinity of the environment surrounding the rebars. This helps to minimize the risk of alkali attacks and subsequent corrosion. Regular maintenance and inspection of structures is crucial in ensuring the continued protection of steel rebars against alkali attacks. Monitoring the condition of the rebars and taking prompt action in case of any signs of corrosion or damage is essential for their long-term durability. Overall, a combination of protective coatings, corrosion inhibitors, proper concrete mix design, and regular maintenance are key factors in safeguarding steel rebars against alkali attacks. By implementing these measures, the lifespan and structural integrity of concrete structures can be significantly extended.
- Q: What are the environmental impacts of using steel rebars in construction?
- The use of steel rebars in construction has several environmental impacts, both positive and negative. One of the positive impacts is that steel is a highly durable and long-lasting material, which means that structures built with steel rebars have a longer lifespan. This reduces the need for frequent repairs or replacements, ultimately reducing the amount of waste generated over time. However, the production of steel rebars has significant negative environmental consequences. Steel is made from iron ore, which requires extensive mining operations. These mining activities can lead to deforestation, habitat destruction, and soil erosion. Additionally, the extraction and processing of iron ore require large amounts of energy, contributing to greenhouse gas emissions and air pollution. Furthermore, the manufacturing process of steel rebars involves the use of various chemicals, such as limestone and coke, which can have detrimental effects on local ecosystems and water sources if not properly managed. The release of pollutants and waste products during steel production can also contribute to water and soil pollution. Transportation of steel rebars from production facilities to construction sites also has environmental implications. Long-distance transportation can result in increased carbon emissions and energy consumption, especially if the rebars are imported from distant locations. To mitigate these environmental impacts, sustainable practices can be adopted in the production and use of steel rebars. Recycling steel is a crucial step in reducing the demand for new production and minimizing the environmental footprint. By using recycled steel, the energy consumption and greenhouse gas emissions associated with production can be significantly reduced. Additionally, implementing efficient transportation methods, such as using rail or waterways instead of trucks, can reduce the carbon footprint of steel rebars. Overall, while steel rebars offer durability and longevity in construction, their production and use have significant environmental implications. Adopting sustainable practices and focusing on recycling can help minimize the negative impacts and make their use more environmentally friendly.
- Q: How long do steel rebars typically last?
- Steel rebars typically have a long lifespan and can last for several decades. The exact duration of their lifespan depends on various factors, such as the quality of the rebar, the environmental conditions it is exposed to, and the maintenance practices implemented. Generally, steel rebars are designed to be resistant to corrosion, which is one of the main factors that can affect their longevity. However, over time, rebars may experience some corrosion due to exposure to moisture, chemicals, or other corrosive agents. This can potentially reduce their lifespan. Regular inspections, maintenance, and the application of protective coatings can help extend the lifespan of steel rebars. With proper care, steel rebars can typically last 30 to 50 years or even longer.
- Q: Can steel rebars be used in structures with curved or irregular shapes?
- Yes, steel rebars can be used in structures with curved or irregular shapes. Steel rebars are highly flexible and can be bent or shaped to fit the desired form of the structure. They are commonly used in reinforced concrete structures, which often require curved or irregular shapes to meet architectural or structural design requirements. The rebars are typically bent or cut to the required shape and then securely anchored in place to provide strength and reinforcement to the structure. This allows for the construction of structures with complex shapes and designs, while still ensuring structural integrity and durability.
- Q: How are steel rebars used in bridge construction?
- Steel rebars are used in bridge construction to provide reinforcement and strength to the concrete structures. They are embedded within the concrete to help resist tension forces, prevent cracking, and enhance the overall structural integrity of the bridge. Additionally, rebars help distribute loads evenly, increase durability, and ensure the longevity of the bridge.
- Q: Can steel rebars be used in precast concrete elements?
- Yes, steel rebars can be used in precast concrete elements. They provide reinforcement and strength to the structure, ensuring durability and structural integrity.
- Q: Can steel rebars be used in coastal areas?
- Steel rebars are indeed suitable for coastal areas, but it is crucial to take into account the potential consequences of corrosion caused by saltwater and high humidity in such environments. To address this concern, stainless steel rebars or epoxy-coated rebars can be utilized, as they possess superior resistance against corrosion. These alternative choices provide a protective layer that prevents direct contact between the steel and the corrosive elements. Furthermore, regular maintenance and periodic examination of the rebars are essential in coastal areas to guarantee their long-lasting strength and structural soundness.
- Q: Are steel rebars suitable for use in structures with high resistance to corrosion?
- Structures with high resistance to corrosion should not use steel rebars. Although steel rebars are commonly used in construction because of their strength and durability, they can corrode when exposed to moisture and other corrosive elements. This corrosion can cause the rebars to deteriorate over time, compromising the entire structure's structural integrity. To ensure a high resistance to corrosion, it is recommended to use alternative materials such as stainless steel rebars or fiber-reinforced polymer (FRP) rebars. Stainless steel rebars contain a high percentage of chromium, which creates a protective oxide layer on the surface, preventing corrosion. On the other hand, FRP rebars are non-metallic and do not corrode, making them an excellent choice for structures in corrosive environments. When choosing the appropriate rebar material, it is crucial to consider the environmental conditions and the expected lifespan of the structure. By selecting rebars with a high resistance to corrosion, the structure's longevity and safety can be significantly improved.
- Q: Can steel rebars be used in architectural or decorative concrete applications?
- Yes, steel rebars can be used in architectural or decorative concrete applications. They provide structural reinforcement and enhance the overall strength and durability of the concrete. Additionally, when properly designed and installed, steel rebars can be concealed or incorporated into the design, making them suitable for various aesthetic purposes in architectural or decorative concrete projects.
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Reinforcing Deformed with high quality Steel Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 20000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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