50mm*15.42kg/m Deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
OKorder is offering 50mm*15.42kg/m deformed steel bar for construction 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:
50mm*15.42kg/m Deformed steel bar 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 Deformed steel bar 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:
1.Detailed Product Description:
1.High Quality and the best service ;
2..Cheapest Price ;
3.many lines for making ;
4.verious size of Product.
2.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: 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: Can stainless steel rust?
A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q: How are steel rebars protected during the concrete pouring process?
- To ensure the longevity and structural integrity of steel rebars during the concrete pouring process, several protective measures are implemented. Initially, prior to pouring the concrete, the rebars undergo meticulous cleaning to eliminate any rust, dirt, or contaminants that may compromise the bond between the rebar and the concrete. This is typically achieved by utilizing a wire brush or other mechanical methods. Once the rebars have been thoroughly cleaned, a common practice is to apply a protective layer or coating to them. An epoxy coating is frequently employed for this purpose. The coating acts as a barrier, preventing moisture and chemicals from reaching the steel and causing corrosion. Epoxy coatings are especially valuable in high-risk environments like marine structures or areas with a high chloride content. Another protective method involves the use of corrosion inhibitors. These inhibitors are added to the concrete mixture, which subsequently forms a protective layer around the rebars. By reducing the corrosive effects of chloride ions, oxygen, and other chemicals, the inhibitors work to prevent corrosion. Additionally, it is crucial to ensure adequate concrete cover over the rebars during the pouring process. Concrete cover refers to the thickness of the concrete layer between the surface and the rebar. Sufficient concrete cover safeguards the rebars against exposure to moisture, chemicals, and other environmental factors. To achieve the desired concrete cover, steel stirrups or spacers are positioned around the rebars to maintain a specific distance between the rebar and the formwork. This guarantees even distribution of the concrete around the rebars, providing them with the necessary protection. In conclusion, steel rebars are shielded during the concrete pouring process through various methods, including thorough cleaning, the application of protective coatings, the use of corrosion inhibitors, and the maintenance of proper concrete cover. These measures effectively prevent corrosion and ensure the durability and strength of the reinforced concrete structure.
- Q: Are steel rebars susceptible to rust?
- Yes, steel rebars are susceptible to rust. Rebars are typically made of carbon steel, which contains iron. When exposed to moisture and oxygen, iron reacts to form iron oxide, commonly known as rust. This process is accelerated in the presence of salt or other corrosive substances. Rust formation weakens the rebars and can eventually lead to structural damage if left untreated. Therefore, it is crucial to protect steel rebars by applying an appropriate coating or using other corrosion prevention methods to ensure the longevity and structural integrity of reinforced concrete structures.
- Q: Can steel rebars be spliced or joined together on-site?
- Yes, steel rebars can be spliced or joined together on-site. This process involves connecting two rebars using various techniques such as overlapping, welding, mechanical couplers, or lap splicing. The method chosen depends on the specific project requirements, strength considerations, and local building codes.
- Q: What is the process of anchoring steel rebars in masonry walls?
- The process of anchoring steel rebars in masonry walls involves several steps to ensure a secure and reliable connection between the steel reinforcement and the masonry structure. 1. Design and planning: Before starting the anchoring process, it is important to have a detailed design and plan for the reinforcement layout in the masonry wall. This includes determining the spacing, size, and placement of the rebars based on the structural requirements. 2. Preparation: The masonry wall must be prepared by cleaning the surface and removing any loose debris or obstructions. This ensures a clean and stable base for the rebars. 3. Drilling: Next, holes are drilled into the masonry wall at predetermined locations according to the reinforcement design. These holes are typically slightly larger than the diameter of the rebars to allow for easy insertion. 4. Cleaning and bonding agent application: After drilling, the holes are cleaned to remove any dust or debris. A bonding agent, such as epoxy or cementitious grout, is then applied to the holes. This helps to enhance the bond between the rebars and the masonry wall. 5. Insertion of rebars: The steel rebars are inserted into the prepared holes, ensuring they are aligned according to the reinforcement design. The rebars should be pushed into the holes until they reach the desired depth, ensuring they are fully embedded in the bonding agent. 6. Curing: After the rebars are in place, the bonding agent needs time to cure and harden. The curing time varies depending on the type of bonding agent used and the environmental conditions. Following the recommended curing time is crucial to ensure the rebars are securely anchored in the masonry wall. 7. Quality control: Once the curing process is complete, a thorough inspection is conducted to ensure the rebars are properly anchored and meet the required specifications. This includes checking for proper alignment, depth, and overall stability. By following these steps, the process of anchoring steel rebars in masonry walls provides structural reinforcement and strength to the overall masonry structure, enhancing its durability and resistance to various forces and loads.
- Q: Why is the price of screw steel affected by iron ore and coal?
- Just now the manufacturing needs to consume iron ore and gas energy, the cost goes up, the price certainly changes
- Q: Can steel rebars be used for both residential and commercial constructions?
- Indeed, steel rebars find utility in both residential and commercial constructions. These sturdy reinforcement materials are frequently employed in concrete structures, imparting them with resilience and steadfastness. Whether it be a residential abode or a commercial edifice, steel rebars are apt for diverse construction ventures. Their utilization guarantees longevity and structural soundness in both domains. Furthermore, steel rebars can be tailored to accommodate specific project prerequisites, rendering them adaptable and fitting for a myriad of applications in residential and commercial construction alike.
- Q: Can steel rebars be used in aggressive chemical environments?
- To some extent, aggressive chemical environments can tolerate the use of steel rebars. However, the severity and characteristics of the chemicals present may compromise their performance. In most construction applications, steel rebars are generally resistant to mild to moderate chemical exposures. Nonetheless, in highly aggressive chemical environments with prolonged and intense exposure to corrosive substances like acids, alkalis, or salts, steel rebars may corrode and deteriorate over time. In such instances, alternative materials such as stainless steel rebars or epoxy-coated rebars may be more suitable, as they offer enhanced resistance to corrosion in aggressive chemical environments. It is crucial to consider the specific conditions of the chemical environment and seek guidance from experts or structural engineers to determine the most appropriate rebar material for the given situation. Regular inspections and maintenance are also necessary to monitor the condition of steel rebars and ensure their durability in aggressive chemical environments.
- Q: How are steel rebars connected to each other in a reinforced concrete structure?
- Steel rebars are connected to each other in a reinforced concrete structure using methods such as overlapping, welding, or using mechanical connectors like couplers or threaded bars. The connection methods ensure that the rebars are securely linked together, providing stability and strength to the structure.
- Q: Can steel rebars be used in the construction of hospitals?
- Yes, steel rebars can be used in the construction of hospitals. Steel rebars are commonly used in reinforced concrete structures to provide strength and stability. In hospital construction, where safety and durability are crucial, steel rebars are essential for reinforcing concrete foundations, columns, beams, and other structural elements. They help ensure the structural integrity of the hospital building, making it resilient and capable of withstanding various loads and potential hazards.
- Q: Are there any standards or codes for steel rebars?
- Certainly, steel rebars are subject to standards and codes that are essential for guaranteeing their quality, safety, and compatibility across various construction projects. One of the most widely recognized standards for steel rebars is the ASTM A615/A615M, which is responsible for specifying the requirements of deformed and plain carbon-steel bars used in concrete reinforcement. This standard covers a range of physical and mechanical properties, including chemical composition, yield strength, tensile strength, elongation, and bendability. It also provides guidelines for marking, packaging, and testing of rebars. In addition to the ASTM A615/A615M, there are other relevant standards and codes utilized in different countries and regions. For instance, in Europe, the European Standard EN 10080 outlines the specifications for steel rebars, including dimensions, tolerances, and mechanical properties. Similarly, the British Standard BS 4449 is widely employed in the United Kingdom for steel reinforcement in concrete. These standards and codes play a pivotal role not only in ensuring consistency during the manufacturing and production of steel rebars but also in aiding architects, engineers, and construction professionals in selecting the most suitable rebars for their projects. Compliance with these standards is of utmost importance to ensure the structural integrity, durability, and safety of reinforced concrete structures. It is imperative for stakeholders in the construction industry to acquaint themselves with the pertinent standards and codes for steel rebars and consistently adhere to them. This practice helps to uphold high-quality construction protocols and mitigate the risk of failures or accidents caused by substandard materials.
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50mm*15.42kg/m Deformed steel bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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