ASTM Standard Deformed Steel Rebar GR40, GR60
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
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Specification
Standard:
AISI,JIS,GB,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Black
Steel Grade:
Q235,HRB400
Certification:
ISO,SGS,BV
Thickness:
2
Length:
6m
Net Weight:
20000
Product Description:
OKorder is offering ASTM Standard Deformed Steel Rebar GR40, GR60 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:
ASTM Standard Deformed Steel Rebar GR40, GR60 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 ASTM Standard Deformed Steel Rebar GR40, GR60 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
Specifications of Hot Rolled Deformed Steel Rebars for ASTM Standard Deformed Steel Rebar GR40, GR60
Standard | GB UK USA | HRB335 HRB400 HRB500 G460B, B500A, B500B,B500C GR40, GR60 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Payment term | TT or L/C | ||
Trade terms | FOB, CFR, CIF | ||
Application | Building, construction | ||
Each bundle weight | 2-3MT, or as required | ||
Type | Hot rolled steel rebar | ||
Brand name | OKORDER | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m (kg) | Pcs/ton |
6 | 28.27 | 0.222 | 2.664 | 375.38 |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
10 | 78.54 | 0.617 | 7.404 | 135.06 |
12 | 113.1 | 0.888 | 10.656 | 93.84 |
14 | 153.9 | 1.21 | 14.52 | 68.87 |
16 | 201.1 | 1.58 | 18.96 | 52.74 |
18 | 254.5 | 2.00 | 24 | 41.67 |
20 | 314.2 | 2.47 | 29.64 | 33.74 |
22 | 380.1 | 2.98 | 35.76 | 27.96 |
25 | 490.9 | 3.85 | 46.2 | 21.65 |
28 | 615.8 | 4.83 | 57.96 | 17.25 |
32 | 804.2 | 6.31 | 75.72 | 13.21 |
36 | 1018 | 7.99 | 98.88 | 10.43 |
40 | 1257 | 9.87 | 118.44 | 8.44 |
50 | 1964 | 15.42 | 185.04 | 5.40 |
- Q:What is the average lifespan of steel rebars in a structure?
- The average lifespan of steel rebars in a structure can vary depending on various factors such as the quality of the steel, environmental conditions, and maintenance practices. However, under normal circumstances and with proper maintenance, steel rebars can have a lifespan of around 50 to 100 years.
- Q:Can steel rebars be bent without breaking?
- Yes, steel rebars can be bent without breaking. Steel rebars are made from a strong and durable material called steel, which has excellent flexibility and tensile strength. This means that steel rebars can withstand significant bending forces without breaking or fracturing. However, it is important to note that there are limits to how much a steel rebar can be bent without causing damage. If excessive force is applied or if the rebar is bent beyond its maximum bending capacity, it may eventually break. Therefore, it is crucial to follow industry guidelines and specifications when bending steel rebars to ensure their integrity and structural performance.
- Q:Can steel rebars be used in slabs and beams?
- Slabs and beams can utilize steel rebars for reinforcement purposes. Steel rebars, also known as reinforcing bars, are frequently employed in concrete construction to strengthen and enhance the durability of structures. In slabs, rebars are typically arranged in a grid formation to evenly distribute the load and prevent concrete cracking or failure. They aid in controlling and reducing the development and spread of cracks caused by factors such as shrinkage, temperature fluctuations, or external pressures. Similarly, beams benefit from the use of rebars to bolster their structural integrity and ability to bear heavy loads. Through the incorporation of steel rebars into slabs and beams, the overall strength, rigidity, and resistance to bending and shearing forces are substantially elevated, leading to a construction that is safer and more dependable.
- Q:How do steel rebars prevent cracking in concrete?
- The reinforcement provided by steel rebars is essential in preventing cracking in concrete. By increasing the overall strength and durability of the structure, steel rebars counteract the tensile forces that cause concrete to crack. To create a reinforcing mesh or framework, high-strength steel rebars are strategically placed within the concrete. This mesh acts as a skeleton, effectively absorbing and distributing the tensile forces throughout the structure. As a result, cracks are prevented from forming. When external loads, such as heavy weights or seismic forces, are applied to the concrete, the rebars bear the tensile stress instead of the concrete itself. This is possible because steel rebars have a much higher tensile strength compared to concrete. By distributing stress more evenly, the rebars minimize crack formation and help maintain the concrete's structural integrity. Additionally, steel rebars improve the bond between the concrete and the reinforcement, further preventing cracks. While concrete has excellent compressive strength, its tensile strength is relatively low. The inclusion of rebars increases the overall tensile strength of the concrete, reducing the likelihood of cracking under tension. The bond between the rebars and the concrete creates a composite material that can effectively withstand both compressive and tensile forces. In summary, steel rebars play a crucial role in preventing cracking in concrete. They provide reinforcement, absorb tensile forces, and enhance the overall strength and durability of the structure. By acting as a skeleton within the concrete and distributing stress, they prevent the formation of cracks and ensure the long-lasting stability of the construction.
- Q:What is the process of epoxy-coating steel rebars?
- To achieve a durable and corrosion-resistant coating on steel rebars, several steps are involved in the process of epoxy-coating. Here is a general overview of the process: Firstly, the steel rebars undergo thorough surface preparation to eliminate any rust, oil, or other contaminants. This can be accomplished through techniques such as sandblasting or chemical cleaning. Once the rebars are cleaned, a primer is applied to enhance adhesion between the steel surface and the epoxy coating. Additionally, the primer provides an extra layer of protection against corrosion. After the primer has dried, the epoxy coating is applied to the rebars. This can be done using various methods, including spray application or immersing the rebars in an epoxy tank. Following the application of the epoxy coating, the rebars are left to cure. This controlled process allows the coating to harden and fully bond with the steel surface. The curing time varies depending on the specific epoxy and environmental conditions. Once the rebars have cured, a thorough inspection is conducted to ensure the uniform application of the epoxy coating and that it meets the required specifications. This inspection may involve visual checks, adhesion tests, and measurements of coating thickness. After passing inspection, the epoxy-coated steel rebars are packaged and stored in a controlled environment to protect them from damage or further contamination. It is important to note that the specific process may vary depending on factors such as the manufacturer, project requirements, and the type of epoxy coating used. Following industry standards and guidelines is crucial to ensure the quality and effectiveness of the epoxy-coated steel rebars.
- Q:What are the sizes available for steel rebars?
- Steel rebars, also known as reinforcing bars, come in various sizes to suit different construction needs. The sizes available for steel rebars typically range from #3 to #18. Each size is denoted by a number, which corresponds to the diameter of the bar in inches. For example, a #3 rebar has a diameter of 3/8 inch, while a #18 rebar has a diameter of 2 1/4 inches. These sizes are standardized and commonly used in construction projects worldwide. The choice of rebar size depends on factors such as the structural requirements, load-bearing capacity, and specific engineering specifications for a particular project. The larger the diameter of the rebar, the higher its strength and load-bearing capacity. It is important to note that the availability of sizes may vary depending on the region or country, as different standards and regulations may be followed. It is always recommended to consult local building codes and engineering professionals to determine the appropriate size of steel rebars to be used in a construction project.
- Q:What are the guidelines for cutting and bending steel rebars on-site?
- To ensure safety and accuracy when cutting and bending steel rebars on-site, it is essential to adhere to specific guidelines. These guidelines play a crucial role in maintaining the structural integrity of the rebars. Here are some key considerations to keep in mind: 1. Prioritize safety: Before initiating any cutting or bending activities, it is imperative to prioritize safety. This involves wearing appropriate personal protective equipment (PPE) such as goggles, gloves, and steel-toe boots. Additionally, ensure that the work area is free from hazards and that all safety protocols are followed. 2. Utilize appropriate cutting tools: When cutting rebars, it is important to use high-quality cutting tools specifically designed for this purpose. Commonly used manual cutting tools include bolt cutters or hydraulic shears. It is crucial to ensure that the cutting tool is sharp and in good condition to achieve clean cuts. Avoid using torches or heat-based methods, as they can weaken the rebars. 3. Precise measurement and marking: Before cutting, it is essential to measure and mark the rebars accurately according to the required lengths. To ensure accuracy, utilize a measuring tape and a permanent marker. Double-check the measurements to avoid any mistakes that may result in wastage or improper reinforcement. 4. Employ proper bending tools: When bending rebars, it is vital to use appropriate bending tools or machines. These tools ensure accurate bending angles and minimize the risk of rebars breaking or cracking. Adhere to the bending specifications provided by the project engineer or local building codes to ensure compliance. 5. Familiarize with reinforcement requirements: Gain a thorough understanding of the reinforcement requirements by reviewing the project plans, drawings, and specifications. Different projects may have specific guidelines for cutting and bending rebars. It is crucial to adhere to these requirements to ensure correct installation and provide the necessary structural strength. 6. Maintain quality control: Regularly inspect the rebars during the cutting and bending process to verify that they meet the required standards. Look for any signs of damage, cracks, or substandard workmanship. Additionally, ensure that the rebars are appropriately sorted and stored to prevent mix-ups or confusion on-site. 7. Effective waste management: Implement proper waste management practices for the waste generated during the cutting and bending process. Collect and dispose of steel shavings or offcuts in designated containers to prevent injuries or accidents caused by sharp edges. In conclusion, adhering to these guidelines for cutting and bending steel rebars on-site will contribute to the safety, accuracy, and effectiveness of the reinforcement process. When in doubt or faced with specific project requirements, it is advisable to consult experienced professionals or the project engineer.
- Q:What is the maximum diameter of steel rebars available in the market?
- The maximum diameter of steel rebars available in the market typically ranges from 40 to 50 millimeters.
- Q:Can steel rebars be used in lightweight concrete construction?
- Indeed, the utilization of steel rebars is viable in the construction of lightweight concrete. As a matter of fact, they are commonly employed in reinforcing lightweight concrete structures like walls, beams, and columns. By incorporating steel rebars, the concrete gains tensile strength, resulting in enhanced resistance against cracking and structural failure. Lightweight concrete, which typically possesses a lower density compared to traditional concrete, can reap the advantages of steel rebars as they counterbalance the inferior strength and mitigate the risk of deformation under load. Nevertheless, it is imperative to carefully select the suitable size and spacing of rebars according to the specific requirements and design of the lightweight concrete structure.
- Q:Can steel rebars be used in wind turbine foundation construction?
- Yes, steel rebars can be used in wind turbine foundation construction. Steel rebars are commonly used to reinforce concrete structures, including foundations, due to their high tensile strength and durability. They help enhance the structural integrity and stability of the foundation, making it suitable for supporting the weight and dynamic loads of wind turbines.
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ASTM Standard Deformed Steel Rebar GR40, GR60
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 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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