Steel Heavy Rail with High Quality for Construction
- 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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Product Description of Steel Heavy Rail with High Quality for Construction:
Sizes: 38kg, 43kg, 45kg, 50kg, 60kg.
Production Standard: GB2585-81, DIN, AREMA, JIS, BS, UIC, etc.
Material: 50MN, U71MN, 900A, 110A, etc.
Length: 6m-25m according to the requriements of the clients
Usages of Steel Heavy Rail with High Quality for Construction:
Light rail is mainly used in forest region, mines, factories and construction sites laid of the place such as temporary transport line and light motorcycles with line. Be widely used for railway, subway, transportation track, express, curve way, tunnel way and so on.
Packaging & Delivery of Steel Heavy Rail with High Quality for Construction:
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 Hot Rolled 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.
Inspection of Steel Heavy Rail with High Quality for Construction:
We will send the MTC of the factory to the clients dirrectly which contain the anlisis of the heat, chemiqul composition, phisical characteristicas, etc.
And our inspectors will arrive at the factory to meke the inspection of the size, length, weight and quantity before the transportation from the factory.
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
Images:
- Q: What is the difference between the rail lead line and the rail connection line?
- Shaped rail refers to a complete rail, one end is a rail type, and the other end is another rail type, is obtained by forging process.
- Q: What is the impact of steel rails on train energy consumption?
- The impact of steel rails on train energy consumption is significant. Trains benefit from the smooth and durable surface provided by steel rails, resulting in reduced friction and minimized energy losses. This leads to improved efficiency and decreased energy consumption. The low friction coefficient of steel rails enables trains to maintain higher speeds effortlessly. By minimizing resistance between the train wheels and the tracks, steel rails facilitate smooth movement, requiring less energy to overcome friction and maintain momentum. As a result, fuel efficiency is enhanced, and energy consumption is reduced. Moreover, steel rails offer exceptional structural stability and support, enabling trains to operate at higher loads and speeds. The strength and durability of steel rails contribute to increased efficiency, as trains can run smoothly without excessive vibrations or disruptions. This ensures a consistent and efficient transfer of energy from the locomotive to the rails, further minimizing energy losses. Additionally, steel rails possess remarkable longevity and resistance to wear and tear. This translates to minimized maintenance and replacement costs, allowing train operators to allocate more resources to energy-efficient technologies and further enhance overall energy consumption. In conclusion, steel rails have a positive impact on train energy consumption. Their provision of a smooth and durable surface reduces friction, increases efficiency, and minimizes energy losses. The utilization of steel rails enables trains to operate more efficiently, consume less energy, and contribute to a more sustainable transportation system.
- Q: Are steel rails subject to warping or bending?
- Under certain conditions, steel rails can warp or bend. They are built to be strong and rigid to support trains and withstand their movement. However, factors like extreme temperature fluctuations, heavy loads, and improper installation or maintenance can cause warping or bending. Thermal expansion and contraction are a common cause of warping or bending in steel rails. When the temperature changes, the rails can expand or contract, leading to warping. For instance, in hot weather, the rails can expand and curve upwards, creating a kink in the track. Conversely, in cold weather, the contraction of the rails can cause them to bend downwards, resulting in a dip in the track. Heavy loads, such as those carried by freight or high-speed trains, can also cause steel rails to bend or deform. If the load exceeds the rail's weight-bearing capacity, it can lead to permanent deformation or rail failure. Improper installation or maintenance practices can contribute to warping or bending in steel rails as well. For example, if the rails are not properly aligned, they can experience excessive stress and deform over time. Similarly, neglecting regular maintenance, like addressing track defects or replacing worn-out rails, can result in warping or bending. Engineers and rail operators employ various measures to mitigate the risk of warping or bending. They carefully design rail systems to accommodate thermal expansion and contraction, using techniques such as expansion joints or continuous welded rail to allow for movement. Regular inspections and maintenance programs are implemented to identify and address any track defects or worn-out components that could cause deformation. Additionally, rail operators monitor and control train loads to ensure they stay within the specified limits for the rails. In conclusion, while steel rails are designed to be strong and rigid, they are susceptible to warping or bending under certain conditions. Extreme temperature changes, heavy loads, and improper installation or maintenance practices can contribute to this. However, with proper design, maintenance, and monitoring, the risk of warping or bending can be minimized, ensuring the safety and efficiency of rail transportation systems.
- Q: What is the role of steel rails in reducing train journey times?
- The role of steel rails in reducing train journey times is crucial. Steel rails provide a smooth and stable track for trains to travel on, allowing them to maintain higher speeds without compromising safety. The durability and strength of steel rails enable trains to accelerate and decelerate efficiently, reducing the time spent on these maneuvers. Additionally, steel rails can handle heavy loads, allowing trains to carry more passengers or freight, thus increasing efficiency and reducing the number of trips required. In summary, steel rails play a vital role in providing a reliable and efficient infrastructure for trains, resulting in reduced journey times.
- Q: How do steel rails affect train speed and efficiency?
- Steel rails play a critical role in determining train speed and efficiency. Their smooth and durable surface allows trains to travel at higher speeds with minimal friction, reducing energy consumption and increasing efficiency. The sturdiness of steel rails also ensures stability, preventing derailments and enhancing safety. Overall, steel rails positively impact train speed and efficiency by providing a reliable and efficient track infrastructure.
- Q: How are steel rails aligned and leveled?
- Steel rails are aligned and leveled through a process called track alignment and leveling. This involves using specialized equipment, such as laser technology or optical instruments, to ensure that the rails are positioned correctly and have the appropriate gradient. This process helps to maintain the smoothness and stability of the track, ensuring safe and efficient train operations.
- Q: What are the different methods used for rail welding on steel rails?
- Rail welding on steel rails utilizes different methods, each with its own strengths and weaknesses. 1. Thermite Welding: A widely used technique involves a chemical reaction that generates intense heat, melting the rail ends and a pre-placed thermite mixture. The resulting molten metal solidifies to create a robust joint, known for its durability and high strength. 2. Flash Butt Welding: This method involves clamping the rail ends together and passing a high electric current through them. The resistance of the metal generates heat, causing the rail ends to melt, and they are then forged together under pressure. Flash butt welding produces efficient and durable joints of high quality. 3. Gas Pressure Welding: Oxy-fuel flames are used to heat the rail ends until they become plastic. Hydraulic pressure is then applied to press the rail ends together, creating fusion and a strong joint. Gas pressure welding is cost-effective and commonly used for routine maintenance and repairs. 4. Electric Arc Welding: This versatile method uses an electric arc to melt the rail ends, with a consumable electrode providing the filler metal. The molten metal solidifies to form a joint. While electric arc welding can be used for both field and factory welding, it is less common for rail welding due to its slower process and lower strength compared to other methods. 5. Magnetic Pulse Welding: A newer technique utilizes a high-intensity magnetic field to accelerate one rail end towards the other. The resulting impact generates heat, and the rail ends are fused together under pressure. Magnetic pulse welding is known for its speed and precision, but it is still being developed for rail welding applications. It is crucial to consider various factors, such as rail type, location, required strength, and welding equipment availability when choosing a welding method. Each method has its own advantages and limitations, and the decision should be based on the specific needs and requirements of the rail project.
- Q: What are the different types of rail lubrication systems used in steel rails?
- There are several types of rail lubrication systems used in steel rails, including friction modifiers, solid lubricants, oil-based lubricants, and grease-based lubricants. These systems are designed to reduce friction between the rail and the wheel, ensuring smooth operation and minimizing wear and tear on the tracks.
- Q: What are the common methods used for rail grinding in steel rails?
- The common methods used for rail grinding in steel rails include using a grinding stone or wheel to remove surface defects, such as corrugation and shelling, and to restore the rail's profile and shape. Another method is using a milling machine equipped with rotating cutting heads to remove material from the rail's surface. These methods help improve rail smoothness, reduce noise, and enhance overall rail performance and safety.
- Q: How are steel rails affected by extreme temperatures in deserts?
- Steel rails can be significantly affected by extreme temperatures in deserts. The intense heat can cause the metal to expand, leading to buckling or warping of the rails. Conversely, during extremely cold temperatures, the steel contracts, which can result in cracking or fragmentation. These temperature fluctuations can compromise the structural integrity and durability of the steel rails, necessitating regular maintenance and inspection to ensure safe and reliable train operations in desert environments.
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Steel Heavy Rail with High Quality for Construction
- 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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