Steel Heavy Rail GB2585-81 with High Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Specificaions of Steel Heavy Rail GB2585-81 with High Quality:
Production Standard: GB2585-81
Material: 50Mn, U71Mn
Grade | Element(%) | ||||
C | Mn | S | P | Si | |
50Mn | 0.48—0.56 | 0.70—1.00 | ≤0.035 | ≤0.035 | 0.17-0.37 |
U71Mn | 0.65—0.76 | 1.10—1.40 | ≤0.030 | ≤0.030 | 0.15-0.35 |
Sizes: 38kg, 43kg, 45kg, 50kg, 60kg
Length: 10m, 12m, 12.5m or as the requriement of the clients
Invoicing on theoretical weight or actual weight as customer request
Payment terms: 30% advance payment by T/T, 70% payment against the copy of the B/L; 100% L/C at sight, etc.
Usage & Applications of Steel Heavy Rail GB2585-81 with High Quality:
Heavy Steel Rail is suitable for the laying of main trunk line of the curves and the orbit of the tunnel, can also be used for tower crane and other crane track.
For example: railway, subway, transportation track, express, curve way, tunnel way.
Packaging & Delivery of Steel Heavy Rail GB2585-81 with High Quality:
1. Packing: it is nude packed in bundles by steel wire rod
2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load
3. Marks:
Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.
Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.
If loading by container the marking is not needed, but we will prepare it as customer request.
4. Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.
5. Delivered by container or bulk vessel
6. Delivery Time: All the Ms Heavy Steel Rail will be transpoted at the port of Tianjin, China within 30 days after receiving the advance payment by T/T or the orginal L/C at sight.
Production flow of Steel Heavy Rail GB2585-81 with High Quality:
Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation
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.
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- Q: Can steel rails be used in railway systems with high-speed curves?
- Indeed, railway systems with high-speed curves can utilize steel rails. Steel is widely chosen as a material for railway tracks because of its robustness, power, and aptitude to endure substantial loads. The purpose of steel rails is to furnish stability and assistance to train wheels, thereby enabling them to traverse curves at high velocities without compromising safety. Furthermore, steel rails possess resistance against wear and tear, a vital characteristic in high-speed operations where trains exert substantial forces on the tracks. Nevertheless, it is important to acknowledge that certain adjustments and design considerations may be imperative to ensure accurate alignment and mitigate the likelihood of derailments in high-speed curves.
- Q: Can steel rails be used in railway systems with steep gradients?
- Steel rails are indeed suitable for use in railway systems that have steep gradients. They are widely utilized in railway systems across the globe due to their impressive strength and durability. Even on steep gradients, they possess the ability to bear heavy loads and impart stability to the trains. However, the safe and efficient operation of railway systems with steep gradients necessitates meticulous consideration and engineering proficiency in their design and construction. This entails taking into account factors such as track alignment, gradient profiles, as well as the incorporation of supplementary safety measures like brakes and traction systems. By undertaking thorough planning and execution, steel rails can effectively surmount the challenges presented by steep gradients in railway systems.
- Q: Are steel rails affected by changes in ground moisture content?
- Yes, steel rails can be affected by changes in ground moisture content. Moisture in the ground can cause corrosion of the steel rails over time. When the moisture content of the ground increases, it increases the potential for corrosion as the steel is exposed to water and oxygen. This can lead to the formation of rust and weakening of the rails. Additionally, changes in ground moisture content can also affect the stability of the ground, which can result in shifts or settlements that can impact the alignment and levelness of the rails. Therefore, it is important to regularly monitor and maintain the moisture levels of the ground to minimize the potential impact on steel rails.
- Q: What are the different methods of rail welding used with steel rails?
- There are several methods of rail welding used with steel rails, each with its own advantages and applications. One common method is flash butt welding, which involves joining two rail ends by applying a high current and pressure between them. This method is known for producing high-quality welds with excellent strength and durability. Flash butt welding is often used for high-speed and heavy-duty rail applications. Another method is thermit welding, which utilizes a chemical reaction to produce the heat necessary for the welding process. A thermit mixture is ignited, creating a molten metal that is poured into a mold surrounding the rail ends to be joined. This method is particularly advantageous for welding in remote locations or in situations where a power source is not readily available. In recent years, a newer method called electric arc welding has gained popularity. This method uses an electric arc to generate the necessary heat for welding, and it can be performed using either a consumable or non-consumable electrode. Electric arc welding offers the advantage of being relatively fast and efficient, making it suitable for both on-site and factory applications. Additionally, there is aluminothermic welding, which is similar to thermit welding but uses a different chemical reaction. Aluminothermic welding involves pouring a mixture of aluminum powder and metal oxide into a mold surrounding the rail ends to be joined. The reaction produces molten steel that forms the weld. This method is known for its ability to create strong and reliable rail welds. Each of these methods has its own specific application and benefits, and the choice of which method to use depends on factors such as the type of rail, the operating conditions, and the availability of resources. Ultimately, the goal of rail welding is to create a seamless and robust connection between rail ends to ensure safe and efficient railway operations.
- Q: How are steel rails protected against rail joint failure?
- Steel rails are protected against rail joint failure through the use of various measures such as regular inspection and maintenance, proper design and installation of rail joints, and the use of specialized fastening systems. These measures ensure that rail joints remain secure, reducing the risk of failure and ensuring the safety and efficiency of the railway system.
- Q: How are steel rails used in high-speed railways?
- High-speed railways heavily rely on steel rails to guarantee safe and efficient train operations. These rails are specifically crafted and manufactured to endure the immense forces and speeds associated with high-speed trains. One of the main functions of steel rails in high-speed railways is to create a well-leveled and compacted track bed, forming a continuous and rigid track structure. This provides a stable and smooth track for trains to travel on, enabling them to maintain stability and reduce vibrations even at high speeds. Moreover, steel rails contribute to the safety of high-speed railways by serving as a secure and reliable guidance system for trains. The precise fit between the train's wheels and the rails ensures that the train remains on track, even when traveling at high speeds. By guiding the train along its designated path, the rails prevent derailments and accidents. Additionally, the design of steel rails is specifically engineered to withstand the immense forces and loads exerted by high-speed trains. They are made from high-quality steel with specific properties, ensuring durability and longevity. This allows the rails to bear the weight of the train and evenly distribute the load, preventing excessive wear or deformation. Maintenance of steel rails in high-speed railways is crucial to ensure their integrity and safety. Regular inspections and maintenance activities are conducted to identify any potential defects or issues in the rails. This is essential to prevent accidents or disruptions in train services. To summarize, steel rails play a vital role in high-speed railways by providing a stable and smooth track for trains, ensuring safe and efficient operations. They are designed to withstand high speeds and heavy loads, guiding the trains along their intended path while evenly distributing the weight. Regular maintenance and inspections are conducted to ensure the safety and integrity of the steel rails.
- Q: How are steel rails used in mining operations?
- Steel rails are used in mining operations to create tracks that enable the transportation of heavy equipment, ore, and other materials within the mine. These rails provide a sturdy and reliable foundation for mine carts, allowing for efficient movement of resources throughout the mining site.
- Q: Can steel rails be easily modified for different purposes?
- Steel rails can be easily modified for different purposes to a certain extent. The flexibility of steel allows for various modifications and adaptations to suit specific needs. For example, the length of the rail can be adjusted to fit different track configurations, or the shape can be altered to accommodate specific types of trains or vehicles. Additionally, steel rails can be modified to enhance their performance in terms of durability, strength, or resistance to wear. This can be achieved through processes such as heat treatment, surface hardening, or adding protective coatings. These modifications can extend the lifespan of the rails and make them more suitable for heavy traffic or harsh environmental conditions. However, it is important to note that there are limitations to how much steel rails can be modified. Certain modifications may require significant resources, expertise, and time, making them less feasible or practical for certain purposes. Moreover, modifying steel rails beyond their intended design specifications could compromise their structural integrity and safety. Overall, while steel rails can be modified to some extent for different purposes, it is essential to consider the feasibility, cost-effectiveness, and safety implications of these modifications. Professional consultation and adherence to industry standards are crucial to ensure that any modifications made to steel rails are appropriate and do not compromise their performance or safety.
- Q: What are the factors to consider when selecting steel rails for a specific application?
- When selecting steel rails for a specific application, several factors need to be considered. These factors include the load requirements, track conditions, rail profile, material quality, and overall cost. The load requirements involve determining the weight and type of the vehicles or equipment that will be running on the rails. Track conditions consider factors such as the terrain, curves, and gradients. The rail profile should be selected based on the specific requirements of the application, taking into account factors like speed, stability, and wear resistance. Material quality is crucial to ensure durability and longevity, as different grades of steel offer varying strength and hardness. Lastly, the overall cost, including the price of the rails, installation, and maintenance, should be considered to ensure the selection aligns with the budget and long-term financial viability.
- Q: How are steel rails protected from damage caused by hurricanes?
- The combination of proactive measures and post-hurricane assessments ensures the protection of steel rails from hurricane damage. Railroads invest in robust maintenance and inspection programs to mitigate potential harm. Regular inspections are conducted to identify flaws or weaknesses in the rail infrastructure, including the steel rails, such as corrosion, cracks, or uneven wear that might worsen during a hurricane. In anticipation of hurricanes, railroads also take preventive actions. They often trim and prune trees and vegetation along the railway lines to reduce the risk of falling debris. Additionally, railroads reinforce vulnerable areas prone to flooding or erosion by installing retaining walls or reinforcing embankments. During a hurricane, railroads closely monitor the weather conditions and take necessary precautions. Trains may be rerouted or suspended to prevent accidents or damage to the tracks. After the hurricane passes, railroads promptly conduct post-hurricane assessments to evaluate the condition of the steel rails and other infrastructure elements. Any identified damage or hazards are swiftly repaired to restore the integrity of the rail network and ensure safe operations. It is important to note that steel rails are designed to withstand extreme weather conditions, including hurricanes. They are constructed to be durable and capable of bearing heavy loads. However, regular maintenance, inspections, and proactive measures are crucial to minimize potential damage and ensure the safety and reliability of the rail system during and after a hurricane.
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Steel Heavy Rail GB2585-81 with High Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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