Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 40000 m.t./month
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Product Description:
OKorder is offering Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material 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:
Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material 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 Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material are durable, strong, and resist corrosion.
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:
Deformed bars/reinforced bars:
1.Material:GB--HRB400/HRB500 ; BS4449--460B/500B;
ASTM A615-Gr40/60 ; AS4671--500N/500E;
JISG3112--SD400 ; DIN488-1--BST500S;
KS-SD390.
2.Standard.:ASTM/JIS/DIN/BS/GB/KS.
3.Diameter:6-50mm.
The Specification of Deformed Steel Bars
| THEORETICAL WEIGHT INDEX | ||
| SIZE(mm) | CUT AREA(cm2) | THEORETICAL WEIGHT(kg/m) |
| 8 | 0.503 | 0.395 |
| 9 | 0.636 | 0.5 |
| 10 | 0.79 | 0.62 |
| 12 | 1.13 | 0.89 |
| 14 | 1.54 | 1.21 |
| 16 | 2.01 | 1.58 |
| 18 | 2.55 | 2 |
| 20 | 3.14 | 2.47 |
| 22 | 3.8 | 2.98 |
| 25 | 4.91 | 3.85 |
| 28 | 6.16 | 4.83 |
| 32 | 8.04 | 6.31 |
| 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/cm 2 ) | Tensile Strength(N/cm 2 ) | 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/cm 2 ) | Tensile Strength ( N/cm 2 ) | Elongation (%) | ||||
| ≥ 400 | ≥570 | ≥ 14 | ||||
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: How do steel rebars affect the bond strength between concrete and reinforcement?
- Steel rebars have a significant positive impact on the bond strength between concrete and reinforcement. When embedded in concrete, rebars enhance the structural integrity by creating a mechanical bond. The rough texture of rebars provides a larger surface area for the concrete to adhere to, improving the bond strength. This bond is crucial in transferring forces between the two materials, ensuring the reinforced concrete can withstand loads and maintain its stability.
- Q: Can steel rebars be used in structures with high vibrations?
- Yes, steel rebars can be used in structures with high vibrations. Steel rebars are commonly used in construction projects, including those with high vibrations, to reinforce concrete and provide stability. The strong and durable nature of steel rebars helps to absorb and distribute the vibrations, minimizing any potential damage to the structure. However, it is important to ensure that the design and installation of steel rebars are done correctly to effectively withstand and manage the vibrations.
- Q: How can corrosion of steel rebars be prevented?
- Corrosion of steel rebars can be prevented through various methods such as applying protective coatings, using corrosion-resistant alloys, ensuring proper concrete cover, maintaining an effective drainage system, and implementing cathodic protection techniques. Regular inspections, proper maintenance, and prompt repairs also play a crucial role in preventing corrosion of steel rebars.
- Q: What is the effect of exposure to saltwater on steel rebars?
- Exposure to saltwater can have a detrimental effect on steel rebars, leading to corrosion and structural degradation. The high salt content in seawater acts as an electrolyte, initiating an electrochemical reaction on the surface of the steel, causing it to rust and weaken over time. This can compromise the integrity of reinforced concrete structures, reducing their lifespan and potentially leading to structural failures if not properly maintained or protected.
- Q: What is the cost-effectiveness of using steel rebars?
- The cost-effectiveness of using steel rebars is high due to their durability, strength, and long lifespan, which reduce the need for frequent repairs and replacements. Additionally, steel rebars offer superior resistance to corrosion and fire, making them a reliable and cost-efficient choice for reinforcing structures.
- Q: What is the average diameter of steel rebars used in construction?
- Steel rebars used in construction typically have an average diameter ranging from 6 mm to 40 mm. However, the specific diameter may vary depending on the construction project requirements and structural design. It is crucial to consider that different countries or regions have their own standards and regulations for steel rebar specifications. Thus, consulting local building codes and engineering professionals is recommended to determine the suitable diameter for a specific construction project.
- Q: What is the maximum length of steel rebars that can be used in construction?
- The maximum length of steel rebars that can be used in construction varies depending on the specific project and structural requirements. However, standard lengths for steel rebars typically range from 6 meters (20 feet) to 12 meters (40 feet).
- Q: Can steel rebars be used in corrosive chemical environments?
- Steel rebars can be used in corrosive chemical environments, but their performance and durability may be compromised. Steel is susceptible to corrosion when exposed to certain chemicals, especially those that are acidic or contain chlorides. In such corrosive environments, the rebars can undergo corrosion, leading to structural damage and reduced load-bearing capacity. To mitigate the corrosion risk, various measures can be taken. One common approach is to coat the rebars with a protective layer, such as epoxy or zinc coating, to create a barrier between the steel and the corrosive environment. Additionally, using stainless steel rebars or other corrosion-resistant alloys can provide better resistance against chemical corrosion. It is crucial to consider the specific chemicals present in the environment and consult with corrosion engineers and experts to determine the appropriate measures for using steel rebars in corrosive chemical environments. Proper maintenance and regular inspections are also necessary to monitor any signs of corrosion and take prompt corrective action to ensure the structural integrity and safety of the reinforced concrete structures.
- Q: How can the quality of steel rebars be tested?
- The quality of steel rebars can be tested through various methods to ensure their strength and reliability. Some common techniques include: 1. Visual Inspection: This involves examining the rebars for any visible defects such as surface cracks, unevenness, or corrosion that could affect their performance. 2. Chemical Composition Analysis: The composition of the steel rebars can be determined through spectroscopy or other similar methods to ensure they meet the required standards. This analysis verifies the presence and percentage of various elements such as carbon, manganese, and silicon. 3. Tensile Strength Testing: A sample of the steel rebar is subjected to tension until it fractures. The maximum force applied to the bar before breaking determines its tensile strength. This test helps identify any weak spots or inconsistencies within the rebar. 4. Bend Test: This test evaluates the ductility of the rebars by bending them to a specific angle without any signs of cracking or fracture. It ensures the rebar can withstand bending and shaping during construction without compromising its structural integrity. 5. Ultrasonic Testing: Ultrasonic waves are used to detect internal flaws or defects within the rebars. This non-destructive testing method helps identify any hidden cracks, voids, or inclusions that may weaken the rebar. 6. Hardness Test: The hardness of the steel rebars can be determined using the Rockwell or Brinell hardness test. This test measures the resistance of the rebar's surface to indentation, providing an indication of its strength. 7. Corrosion Resistance Test: The rebars can undergo corrosion testing, such as salt spray testing or electrochemical methods, to assess their resistance against rust and other forms of corrosion. By utilizing a combination of these testing methods, manufacturers, construction companies, and engineers can ensure that steel rebars meet the required quality standards and can withstand the intended load and environmental conditions.
- Q: What is the effect of steel rebars on the electrical conductivity of concrete?
- Steel rebars have a negligible effect on the electrical conductivity of concrete due to their low electrical resistance.
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Steel Rebar, Deformed Steel Bar, Iron Rods For Construction/Concrete Material
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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