Hot Rolled Deformed Steel Bar HRB400
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Product Description:
OKorder is offeringDeformed Steel Bar 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 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:
Chemical Composition: (Please kindly find our chemistry of our material based on HRB400 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 | |||||
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: What makes stainless steel stainless?
A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q3: Can stainless steel rust?
A3: 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.
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- Q:How are steel rebars inspected for quality on construction sites?
- Steel rebars are critical components in construction projects, as they provide reinforcement and strength to concrete structures. Ensuring the quality of steel rebars is crucial to guarantee the safety and durability of the overall construction. To inspect the quality of steel rebars on construction sites, several methods are commonly employed. Visual Inspection: The first and most basic method of quality inspection involves visual examination of the rebars. This includes checking for any visible defects such as cracks, deformations, rust, or surface irregularities. Any rebars with such flaws are immediately identified and rejected. Measurement and Dimensional Checks: Steel rebars need to meet specific dimensional requirements as per project specifications and industry standards. Inspection personnel use measuring tools, such as calipers or tape measures, to verify the length, diameter, and other dimensions of the rebars. Any deviation from the specified tolerances may lead to rejection. Magnetic Particle Testing (MPT): MPT is a non-destructive testing method commonly used to detect surface and near-surface defects in steel rebars. This technique involves magnetizing the rebar and applying ferromagnetic particles, which accumulate at any surface defects or cracks. By carefully inspecting the surface, trained inspectors can identify any areas of concern. Ultrasonic Testing (UT): UT is another non-destructive testing method used for inspecting rebars. It involves the use of ultrasonic waves that are transmitted through the rebar. These waves reflect back differently when encountering any defects, such as voids, cracks, or inclusions. By analyzing the reflected waves, trained technicians can identify and assess the quality of the rebars. Tensile Testing: Tensile strength is a crucial factor in determining the quality of steel rebars. Tensile testing involves pulling a sample rebar until it breaks, measuring the force required to do so. This test helps determine the strength and ductility of the rebar, ensuring it meets the required standards. Chemical Analysis: Steel rebars are often subjected to chemical analysis to ensure they meet the specified composition requirements. Samples are collected from the rebars, and various tests are conducted to determine the chemical composition, including carbon, manganese, and other alloying elements. This analysis helps ensure the rebars possess the necessary properties for the intended application. All these inspection methods are typically conducted by qualified and experienced personnel, such as certified welding inspectors or quality control technicians. By employing these quality inspection procedures, construction sites can ensure that the steel rebars used in their projects meet the required standards, thereby ensuring the safety and longevity of the structures being built.
- Q:Are steel rebars available in different shapes and profiles?
- Steel rebars are available in a variety of shapes and profiles, not just the plain round bar. The plain round bar is circular and smooth, but there are also deformed bars with ribs or indentations along their length. These ribs improve the adhesion between the rebars and the surrounding concrete, making the structure stronger and more stable. Steel rebars can be found in different sizes and lengths to meet different construction needs. Square bars, flat bars, and T-shaped bars are examples of other profiles available. These different shapes and profiles give engineers and builders the flexibility to choose the most suitable type of steel rebar for their specific construction projects.
- Q:How are steel rebars protected against damage during the construction process?
- Steel rebars are protected against damage during the construction process through various methods including proper storage, careful handling, and implementing measures such as covering them with protective coatings or using plastic caps. Additionally, rebars are often placed strategically within concrete structures to minimize exposure and vulnerability to potential damage.
- Q:What is the impact of steel rebars on the overall cost of a construction project?
- Steel rebars have a significant impact on the overall cost of a construction project. As a key component in reinforced concrete structures, rebars contribute to the structural integrity and durability of the project. However, the cost of steel rebars can vary depending on factors such as the size, grade, and quantity required. Therefore, the overall cost of a construction project can be significantly influenced by the cost of steel rebars, making it an important consideration for project budgeting and cost estimation.
- Q:What is the role of steel rebars in minimizing creep deformation in concrete?
- Steel rebars play a crucial role in minimizing creep deformation in concrete structures. Creep deformation refers to the gradual and permanent deformation that occurs in concrete over time under sustained loads. This phenomenon can lead to structural instability and compromise the overall integrity of the concrete. Steel rebars, also known as reinforcement bars, are embedded within the concrete matrix to provide additional strength and stiffness. These rebars help counteract the tensile forces exerted on the concrete, as concrete is weak in tension but strong in compression. By resisting the tensile stresses, the rebars prevent the concrete from cracking and experiencing excessive creep deformation. The presence of steel rebars in concrete also improves the load-carrying capacity of the structure, allowing it to bear heavier loads without excessive deformation. This is achieved by distributing the applied load more evenly throughout the concrete, reducing localized stress concentrations and minimizing the potential for creep deformation. Furthermore, steel rebars act as a restraining element, limiting the movement of the concrete and reducing the potential for creep. The high modulus of elasticity and low thermal expansion coefficient of steel make it an ideal material for reinforcing concrete and restraining its creep behavior. In summary, the role of steel rebars in minimizing creep deformation in concrete is multi-fold. They provide additional strength and stiffness to counteract tensile forces, improve load-carrying capacity, and act as a restraining element, all of which contribute to maintaining the structural integrity of the concrete over time.
- Q:What is the average weight of a steel rebar?
- The average weight of a steel rebar can vary depending on its size and length. Steel rebars are typically sold in lengths of 20 feet and come in various diameters ranging from 3/8 inch to 1 1/4 inch. To calculate the average weight, we need to consider the density of steel, which is approximately 0.2836 pounds per cubic inch. The weight of a steel rebar can be determined by multiplying its volume (pi times the square of the diameter divided by 4, multiplied by the length) by the density of steel. For example, let's take a 1/2 inch diameter rebar with a length of 20 feet. The calculation would be as follows: 1. Convert the diameter to inches: 1/2 inch = 0.5 inches 2. Calculate the volume: (pi * 0.5^2) / 4 = 0.19635 cubic inches 3. Convert the length to inches: 20 feet = 240 inches 4. Multiply the volume by the length: 0.19635 cubic inches * 240 inches = 47.04 cubic inches 5. Multiply the volume by the density of steel: 47.04 cubic inches * 0.2836 pounds per cubic inch = 13.34 pounds Therefore, the average weight of a 1/2 inch diameter steel rebar with a length of 20 feet is approximately 13.34 pounds.
- Q:Can steel rebars be used in wastewater treatment plant construction?
- Yes, steel rebars can be used in wastewater treatment plant construction. Steel rebars are commonly used in the construction of reinforced concrete structures, including wastewater treatment plants. They provide additional strength and durability to the concrete, helping it withstand the harsh conditions and corrosive environment often found in wastewater treatment facilities. The rebars are typically coated with epoxy or other corrosion-resistant materials to protect them from the corrosive effects of wastewater. Additionally, proper design and placement of the rebars ensure structural integrity and longevity of the treatment plant. Overall, steel rebars are a commonly used and effective reinforcement material in wastewater treatment plant construction.
- Q:How are steel rebars cut to size on construction sites?
- Steel rebars are typically cut to size on construction sites using specialized tools such as portable hydraulic or electric rebar cutters. These tools have sharp blades that can easily slice through the steel bars, ensuring precise and accurate cuts. The rebars are measured and marked beforehand, and then the cutters are used to trim them to the required lengths. This process allows for efficient and convenient customization of rebars to fit specific construction needs.
- Q:Are steel rebars susceptible to rust?
- Yes, steel rebars are susceptible to rust.
- Q:What are the safety precautions when working with steel rebars?
- When working with steel rebars, some important safety precautions to follow include wearing proper personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. It is crucial to handle rebars with care to avoid cuts or punctures, as the sharp edges can be hazardous. Additionally, workers should always be cautious of their surroundings and ensure a clear and organized work area to prevent tripping or falling accidents. Lastly, it is important to follow proper lifting techniques and use appropriate equipment to avoid strain or back injuries.
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Hot Rolled Deformed Steel Bar HRB400
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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