Steel Unequal Angle Steel 20MM-250MM S235JR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
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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:
According to the needs of different structures, Angle can compose to different force support component, and also can be the connections between components. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc
Product Advantages:
OKorder's Steel I-Beams 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:
Manufacture: Hot rolled
Grade: Q195 – 235
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Sizes: 25mm-250mm | ||||||||||||
a*t | ||||||||||||
25*2.5-4.0 | 70*6.0-9.0 | 130*9.0-15 | ||||||||||
30*2.5-6.6 | 75*6.0-9.0 | 140*10-14 | ||||||||||
36*3.0-5.0 | 80*5.0-10 | 150*10-20 | ||||||||||
38*2.3-6.0 | 90*7.0-10 | 160*10-16 | ||||||||||
40*3.0-5.0 | 100*6.0-12 | 175*12-15 | ||||||||||
45*4.0-6.0 | 110*8.0-10 | 180*12-18 | ||||||||||
50*4.0-6.0 | 120*6.0-15 | 200*14-25 | ||||||||||
60*4.0-8.0 | 125*8.0-14 | 250*25 | ||||||||||
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.
- Q:Can steel billets be used for structural purposes?
- Structural purposes can indeed be served by steel billets. These particular steel products are considered semi-finished and are typically shaped through hot-rolling or forging techniques to create various structural components such as beams, columns, and more. Their utilization in construction and engineering projects is widespread due to their ability to provide strength, durability, and the capability to bear heavy loads. Before being incorporated into the construction process, these billets are often further processed and shaped according to specific design requirements. The construction industry heavily relies on steel billets for the construction of buildings, bridges, highways, and other infrastructure projects due to their exceptional mechanical properties and high strength-to-weight ratio. Moreover, their suitability for various structural applications is enhanced by their ease of welding.
- Q:What are the different quality standards for steel billets?
- There are several quality standards for steel billets which are used to assess the overall quality and suitability of the material for various applications. Some of the prominent quality standards include: 1. ASTM A615/A615M: This standard specifies the requirements for deformed and plain carbon-steel bars for concrete reinforcement. It covers billets used in the production of reinforcing bars with specific mechanical properties and dimensional tolerances. 2. ASTM A706/A706M: This standard outlines the requirements for low-alloy steel used in the production of reinforcing bars. It specifies the chemical composition, mechanical properties, and dimensional tolerances of the billets. 3. EN 10025-2: This European standard specifies the requirements for non-alloy structural steels. It covers billets used in the production of various structural elements, such as beams, columns, and plates. The standard defines the chemical composition, mechanical properties, and technical delivery conditions of the steel billets. 4. JIS G3112: This Japanese industrial standard covers steel bars for concrete reinforcement. It outlines the chemical composition, mechanical properties, and tolerances for billets used in the production of reinforcing bars. 5. GB/T 699: This Chinese standard specifies the quality requirements for carbon structural steels. It defines the chemical composition, mechanical properties, and technical delivery conditions of steel billets used in various structural applications. These quality standards ensure that steel billets meet specific criteria for strength, durability, and dimensional accuracy. Adhering to these standards guarantees that the steel billets are of high quality and suitable for their intended use in construction, manufacturing, and reinforcement applications.
- Q:What are the different types of steel billet forming processes?
- The different types of steel billet forming processes include hot rolling, cold rolling, extrusion, forging, and casting.
- Q:How are steel billets used in the production of automotive suspension components?
- Steel billets are used in the production of automotive suspension components by being heated and then shaped into the desired form, such as rods or bars, which are then further processed and machined to create various suspension parts like control arms, tie rods, and sway bars. The high strength and durability of steel billets make them ideal for withstanding the heavy loads and extreme conditions experienced by suspension components in vehicles.
- Q:What is the role of steel billets in the production of automotive components?
- The role of steel billets in the production of automotive components is to serve as the raw material for forging or casting processes. These billets are heated and shaped into various automotive parts, such as engine components, chassis parts, and suspension systems. Steel billets provide the necessary strength and durability required for these components to withstand the demanding conditions and stresses encountered in automotive applications.
- Q:What is the role of steel billets in the production of steel bars?
- Steel billets have a crucial role in the production of steel bars, as they serve as semi-finished forms of steel typically cast in square or rectangular shapes. These billets are essential for creating various steel products, including steel bars. The main purpose of steel billets is to undergo further processing and transformation into steel bars through a series of manufacturing steps. After obtaining the steel billets, they undergo a process called hot rolling. This process involves subjecting the billets to high temperatures and passing them through rolling mills, which shape and elongate them into desired forms like round bars, square bars, or hexagonal bars. During the hot rolling process, the steel billets experience extreme heat and pressure, causing them to deform and elongate. This process improves the mechanical properties of the steel, such as strength, toughness, and ductility. Additionally, it refines the grain structure of the steel, enhancing its overall quality and performance. Steel bars produced from steel billets have wide applications in industries like construction, manufacturing, infrastructure, and automotive. They serve as structural components in buildings, bridges, and other infrastructure projects, as well as in the production of machinery, tools, and equipment. In summary, steel billets play a critical role in the production of steel bars. They act as the starting material for the manufacturing process and go through hot rolling to transform into desired shapes and sizes. The resulting steel bars find extensive use in various applications due to their improved mechanical properties and enhanced quality.
- Q:How are steel billets inspected for internal and surface defects?
- To ensure the quality and integrity of steel billets, various methods are employed to inspect them for internal and surface defects. One commonly used technique for detecting internal flaws is ultrasonic testing. This involves transmitting high-frequency sound waves through the billet and analyzing the reflections received to identify any discontinuities or defects such as cracks, voids, or inclusions. Another method used to inspect internal defects is magnetic particle inspection. This process entails applying a magnetic field to the billet and coating it with iron particles. If there are any internal defects or cracks, they will disrupt the magnetic field, causing the iron particles to accumulate at these locations and become visible under appropriate lighting conditions. When it comes to surface defects, visual inspection is typically the initial step. Expert inspectors visually examine the billet for any visible irregularities like cracks, pits, scratches, or deformities. They may also utilize specialized tools like magnifying glasses or microscopes to ensure a thorough examination. In addition to visual inspection, non-destructive testing techniques can also be employed to detect surface defects. One commonly used method is dye penetrant testing. In this procedure, a colored liquid dye is applied to the surface of the billet. The dye seeps into any surface defects and is later removed, leaving behind a visible indication of the defect. This technique is particularly effective in detecting surface cracks or discontinuities. Another technique used for surface defect inspection is eddy current testing. This technique is based on the principle that a fluctuating magnetic field induces electrical currents in conductive materials like steel. Any surface defects or irregularities will disrupt the induced currents, which can be detected by monitoring changes in the electrical properties of the billet. Eddy current testing is commonly employed to identify surface cracks, pits, or variations in thickness. In conclusion, a combination of these inspection methods allows for a comprehensive evaluation of steel billets, ensuring that both internal and surface defects are identified and addressed before the billets undergo further processing or are used in various applications.
- Q:What are the main factors affecting the formability of steel billets?
- There are several factors that affect the formability of steel billets, including the composition of the steel, its microstructure, temperature, and strain rate. The composition of the steel is a crucial factor in determining its formability. Elements such as carbon, manganese, and silicon can influence the strength and ductility of the steel. Higher levels of carbon and alloying elements can increase the strength of the steel but may decrease its formability. On the other hand, lower carbon content and higher levels of elements like manganese can enhance the formability of the steel. The microstructure of the steel is another significant factor. The size, distribution, and morphology of the grains in the steel can impact its formability. Finer grains generally provide better formability, as they allow for more uniform deformation during shaping processes. Additionally, the presence of precipitates or inclusions in the microstructure can affect the formability by causing localized stress concentrations. Temperature plays a vital role in the formability of steel billets. Heating the steel to elevated temperatures can increase its ductility and reduce its strength, making it easier to form. This process, known as hot forming, allows for greater deformation without the risk of fracture. However, excessively high temperatures can also lead to excessive grain growth, which can negatively impact formability. Lastly, the strain rate, or the rate at which the steel is deformed, can affect its formability. Higher strain rates generally result in reduced formability as they can lead to strain hardening, where the steel becomes harder and more resistant to deformation. Therefore, controlling the strain rate during forming processes is essential to maintain optimal formability. In conclusion, the main factors affecting the formability of steel billets include composition, microstructure, temperature, and strain rate. By considering these factors, manufacturers can optimize the formability of steel billets to meet specific requirements during shaping processes.
- Q:What are the different surface treatments applied to alloy steel billets?
- There are several different surface treatments that can be applied to alloy steel billets to enhance their properties and improve their performance. One common surface treatment is shot blasting, which involves bombarding the surface of the billets with small metal or ceramic particles at high velocity. This process helps to remove any impurities or contaminants on the surface, creating a clean and uniform surface finish. Shot blasting also promotes adhesion of subsequent coatings or treatments that may be applied to the billets. Another surface treatment is pickling, which involves immersing the billets in an acid solution to remove oxides and scale from the surface. This process helps to improve the surface quality and removes any surface defects, preparing the billets for further processing or treatments. A popular surface treatment for alloy steel billets is heat treatment, which involves subjecting the billets to controlled heating and cooling processes to alter their microstructure and improve their mechanical properties. Heat treatment can be used to increase the hardness, strength, and toughness of the billets, making them more suitable for specific applications. Additionally, alloy steel billets can be coated with various protective coatings to enhance their corrosion resistance and improve their durability. Common coating techniques include hot-dip galvanizing, electroplating, and painting. These coatings provide a barrier between the alloy steel surface and the environment, preventing corrosion and extending the lifespan of the billets. In summary, the different surface treatments applied to alloy steel billets include shot blasting, pickling, heat treatment, and protective coatings. These treatments help to improve the surface quality, enhance mechanical properties, and protect the billets from corrosion, ultimately ensuring optimal performance in various applications.
- Q:How are steel billets used in the production of turbine blades?
- Turbine blades rely heavily on steel billets, which serve as a fundamental building block in their production. These billets, essentially semi-finished steel products, serve as the initial material for the manufacturing process. To commence, the selection of steel billets is a meticulous process, taking into account specific requirements such as composition, strength, and durability. Once chosen, the billets undergo a series of processing steps to transform them into turbine blades. The initial step involves subjecting the steel billets to high temperatures in a furnace, a process known as forging. This procedure enhances the malleability of the steel, making it easier to work with. Once heated, the billets are then shaped into turbine blades through the application of mechanical forces. Following the initial forging process, the turbine blades are refined through a range of machining operations. These operations encompass precision cutting, grinding, and drilling, all aimed at achieving the desired dimensions, surface finish, and aerodynamic profiles. Aside from shaping and refinement, steel billets also play a pivotal role in strengthening and ensuring the integrity of turbine blades. Through heat treatment processes like quenching and tempering, the billets are hardened and tempered, resulting in desired mechanical properties such as high strength and resistance to fatigue. Moreover, steel billets provide the necessary material properties to withstand the harsh operating conditions of turbines. They exhibit excellent corrosion resistance, a crucial attribute for blades operating in environments with high temperatures, pressure, and moisture. In summary, steel billets are indispensable in turbine blade production as they serve as the starting material, facilitate shaping and refinement, and offer the required strength and durability for these critical components in power generation.
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Steel Unequal Angle Steel 20MM-250MM S235JR
- Ref Price:
-
- Loading Port:
- Shanghai
- 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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