Deformed Bar Hot Rolled High Quality BS4449
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000000 m.t./month
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Specification
Product Description:
OKorder is offering high quality Hot Rolled Steel I-Beams 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:
Deformed bar 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 Steel I-Beams are durable, strong, and resist corrosion, exact size, regular package, chemical and mechanical properties are stable.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: BS4449
Certificates: ISO, SGS, BV, CIQ
Diameter: 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,
22mm,25mm,28mm,32mm,36mm,40mm,50mm
Length: 6M, 9M,12M or as required
Packaging: Export packing, nude packing, bundled
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: 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.
- Q: What is the role of steel rebars in earthquake-resistant structures?
- The role of steel rebars in earthquake-resistant structures is to provide reinforcement and strength to the concrete elements. Steel rebars are embedded in the concrete to enhance its tensile strength and prevent cracking or collapsing during an earthquake. They help distribute the forces and stresses caused by seismic activity, enabling the structure to withstand and absorb the energy generated by the earthquake, thus reducing the risk of structural failure and ensuring the safety of the building and its occupants.
- Q: What is the typical elongation of steel rebars?
- The typical elongation of steel rebars is around 8-10%.
- Q: Can steel rebars be used in structures with limited maintenance access?
- Structures with limited maintenance access can utilize steel rebars, which are commonly chosen for construction projects due to their exceptional strength and durability. These rebars can endure heavy loads and provide reinforcement to concrete structures. In structures with restricted maintenance access, steel rebars offer numerous benefits. Firstly, they boast a lengthy lifespan and are corrosion-resistant, minimizing the need for frequent maintenance. Unlike wood or aluminum, steel rebars do not decay or rot over time, rendering them suitable for structures that are challenging to reach for regular maintenance. Moreover, steel rebars can be easily examined using non-destructive testing methods like ultrasound or magnetic particle inspection. These techniques can identify any potential flaws or damage in the rebars without invasive measures, thereby ensuring the structural soundness of the building. Furthermore, steel rebars can be designed and installed in a manner that reduces the necessity for future maintenance. For instance, employing epoxy-coated rebars can provide an additional layer of protection against corrosion, prolonging the structure's lifespan and reducing maintenance requirements. However, it is crucial to acknowledge that while steel rebars are highly durable, they are not entirely maintenance-free. Over time, the protective coatings on the rebars may deteriorate, and if left unaddressed, corrosion can occur. Therefore, periodic inspections and maintenance activities must still be conducted, even in structures with limited access. In conclusion, due to their durability, corrosion resistance, and non-invasive inspection capabilities, steel rebars can be employed in structures with limited maintenance access. Nevertheless, regular inspections and maintenance are still necessary to ensure the long-term performance of the rebars and the overall structural integrity of the building.
- Q: Can steel rebars be used in the construction of retaining walls?
- Yes, steel rebars can be used in the construction of retaining walls. They are commonly used to reinforce the concrete structure of retaining walls, providing added strength and stability. The rebars are typically placed horizontally and vertically within the concrete to prevent cracks and withstand the pressure exerted by the retained soil.
- Q: Are steel rebars prone to rusting?
- Yes, steel rebars are prone to rusting.
- Q: What is the weight of a typical steel rebar?
- The weight of a typical steel rebar can vary depending on its size and length. On average, a 1-inch diameter, 20-foot long steel rebar weighs around 13.6 pounds.
- Q: What are the different types of steel rebars used in foundation construction?
- There are several different types of steel rebars that are commonly used in foundation construction. These include: 1. Mild Steel Rebars: Also known as black bars, mild steel rebars are the most commonly used type of rebars in foundation construction. They have a low carbon content and are easy to work with. Mild steel rebars provide good tensile strength and are cost-effective. 2. High Yield Strength Rebars: These rebars have a higher carbon content and are heat-treated to increase their strength. They are commonly used in areas where extra strength is required, such as in high-rise buildings or in seismic zones. High yield strength rebars offer superior resistance to tensile and compressive forces. 3. Epoxy-Coated Rebars: Epoxy-coated rebars are coated with epoxy resin to protect them from corrosion. They are commonly used in areas where the foundation is exposed to moisture or chemicals, such as in marine or industrial environments. The epoxy coating acts as a barrier, preventing water and other corrosive substances from reaching the steel and causing it to rust. 4. Galvanized Rebars: Galvanized rebars are coated with a layer of zinc to protect them from corrosion. The zinc coating provides excellent resistance to moisture and chemicals, making galvanized rebars suitable for use in areas with high humidity or in contact with concrete that contains chloride ions. They are commonly used in coastal areas or in structures such as bridges and parking garages. 5. Stainless Steel Rebars: Stainless steel rebars are highly corrosion-resistant and are used in environments where other types of rebars may fail due to corrosion. They are commonly used in structures that are exposed to aggressive environments, such as in chemical plants or wastewater treatment facilities. Stainless steel rebars are also used in areas with a high risk of corrosion, such as in coastal or humid regions. Overall, the choice of steel rebars for foundation construction depends on factors such as the specific requirements of the project, the environmental conditions, and the level of corrosion resistance needed. It is important to select the appropriate type of rebar to ensure the longevity and strength of the foundation.
- Q: Can steel rebars be used in structures with high electrical conductivity requirements?
- No, steel rebars cannot be used in structures with high electrical conductivity requirements. Steel is a highly conductive material, but when it is used as a reinforcement in concrete structures, it is encased within the concrete and does not provide a direct electrical path. Therefore, steel rebars do not contribute to the overall electrical conductivity of the structure. If high electrical conductivity is required, alternative materials such as copper or aluminum should be considered for use in the structure. These materials have much higher electrical conductivity properties and can meet the requirements of structures that have high electrical conductivity needs.
- 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 bent or shaped on-site?
- Yes, steel rebars can be bent or shaped on-site using specialized tools and equipment such as rebar benders and rebar cutters. This allows for flexibility in construction projects to meet specific design requirements and ensure proper reinforcement placement.
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Deformed Bar Hot Rolled High Quality BS4449
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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