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 areas with high vibration levels?
- Yes, steel rails can be used in areas with high vibration levels. Steel is a strong and durable material that is commonly used in railway construction due to its ability to withstand heavy loads and high levels of vibration. Steel rails are designed to absorb and distribute vibrations, reducing the impact on the surrounding infrastructure and providing a stable and safe track for trains to travel on. Additionally, various techniques and engineering solutions can be employed to further mitigate the effects of vibration in areas with high levels of vibration, such as using resilient fastening systems or implementing vibration isolation measures. Therefore, steel rails are suitable for use in areas with high vibration levels, ensuring efficient and reliable railway transportation.
- Q: What is the material for railway track
- The main grades of domestic rails are U74, U71Mn, PD2, PD3 and BNbRE, of which PD2 is general carbon steel, SQ process, fully quenched rail, PD3 is high carbon micro vanadium low alloy rail, BNbRE is low alloy rail with niobium rare earth treatment.
- Q: How are steel rails protected from excessive noise?
- Steel rails can be protected from excessive noise through various methods. One common approach is the use of rail dampers or rail pads. These are resilient materials placed between the rail and the sleeper, absorbing and reducing vibrations and noise generated by passing trains. Rail dampers can be made of rubber or other elastomeric materials, effectively isolating the rail from the sleeper and reducing noise transmission. Additionally, rail grinding is another technique employed to control noise. It involves removing irregularities and imperfections on the surface of the rail, which can cause increased noise levels. Grinding smoothens the rail, reducing friction and minimizing noise produced during train operations. Moreover, rail fasteners play a crucial role in noise reduction. Modern rail fastening systems, such as resilient fasteners or elastic clips, are designed to absorb and dampen vibrations. These fasteners provide flexibility to the rail, allowing it to absorb energy and reducing noise transmission. Furthermore, the use of noise barriers alongside railway tracks can significantly reduce noise pollution. These barriers, made of materials like concrete or metal, act as sound-absorbing walls, blocking or deflecting noise generated by passing trains. Overall, a combination of rail dampers, rail grinding, resilient fasteners, and noise barriers helps protect steel rails from excessive noise. These measures aim to minimize vibrations, absorb energy, and create barriers to noise transmission, ensuring a quieter and more comfortable environment for both nearby residents and passengers.
- Q: Can steel rails be electrified?
- Certainly! Electrifying steel rails is indeed possible. It is a widely implemented practice in modern railway systems. By passing an electric current through the steel rails, trains can be powered without relying on traditional diesel engines. This form of electrification offers several benefits, including enhanced energy efficiency, reduced emissions, and increased speed. Additionally, electric trains operating on steel rails are quieter and require less maintenance compared to their diesel counterparts. To achieve this, steel rails can be electrified through different means, such as overhead wires, third rails, or a combination of both. The train collects the electric current by means of a pantograph or a shoe that makes contact with the electrified rail. In summary, electrifying steel rails has been proven and widely implemented as an effective technique to improve the performance and sustainability of railway systems.
- Q: What are the different types of rail joints used in steel rails?
- The different types of rail joints used in steel rails include butt joints, lap joints, and compromise joints. Butt joints are formed by joining the ends of two rails together, creating a straight continuous rail. Lap joints involve overlapping the ends of two rails and fastening them together with bolts or fish plates. Compromise joints are a combination of butt and lap joints and are used when the rail length needs to be adjusted.
- Q: How do steel rails handle changes in track elevation?
- Steel rails are designed to handle changes in track elevation through a combination of structural strength and flexibility. They are engineered to evenly distribute the weight of the train and absorb the impact of any variations in track elevation. The rails are securely fastened to the sleepers or ties, providing stability and minimizing any potential disruptions in train movement.
- Q: What is the expected wear rate of steel rails?
- The expected wear rate of steel rails can vary depending on several factors such as the type of rail, the weight and speed of the trains, the level of maintenance, and the surrounding environmental conditions. However, on average, steel rails can experience a wear rate of approximately 0.1 to 0.3 millimeters per year.
- Q: How are steel rails protected against electrical conductivity issues?
- Steel rails are protected against electrical conductivity issues through a process known as rail bonding. Rail bonding involves the installation of electrical conductors or bonds that connect different sections of the rail together, creating a continuous path for electrical current to flow. This helps to prevent the buildup of electrical potential differences between rail sections, which can cause arcing, electrical interference, and other conductivity issues. Rail bonding is typically achieved using bonding wires or cables, which are securely attached to the rail at regular intervals. These wires or cables are made of materials with high electrical conductivity, such as copper or aluminum, and are designed to withstand the mechanical stresses and environmental conditions that the rail may experience. By providing a low-resistance path for electrical current, rail bonding helps to minimize the risk of electrical interference and other conductivity issues. It also helps to ensure the safe operation of signaling and communication systems that rely on the rail infrastructure. In addition to rail bonding, other measures such as periodic inspection and maintenance of the rail, including cleaning and removing any contaminants that could affect conductivity, are important to maintain optimal electrical performance. Regular testing and monitoring of the rail's electrical conductivity also play a crucial role in identifying and addressing any potential issues before they can cause disruptions or safety hazards. Overall, the protection of steel rails against electrical conductivity issues is a multifaceted approach that involves the use of bonding wires or cables, regular maintenance, and monitoring to ensure the safe and reliable operation of rail systems.
- Q: What are the safety precautions for workers handling steel rails?
- Some safety precautions for workers handling steel rails include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots. Workers should also be trained on proper lifting techniques and use mechanical aids if necessary to avoid back injuries. It is important to ensure a clear and organized work area to prevent trips and falls. Regular inspections and maintenance of equipment and tools are crucial for worker safety. Additionally, workers should be aware of potential hazards such as sharp edges or protruding objects and take necessary precautions to avoid accidents.
- Q: What are the different types of rail welds used with steel rails?
- Steel rails commonly utilize several different types of rail welds. These include: 1. The most commonly used weld in rail construction is the Flash Butt Weld. This method involves using electric current to heat the rail ends and then pressing them together to create a seamless joint. It results in a strong and reliable bond between the rails. 2. Another type of weld is the Aluminothermic Weld, also known as a thermit weld. This method utilizes a chemical reaction to generate the necessary heat for joining the rail ends. By igniting a mixture of aluminum powder and iron oxide, a high-temperature reaction occurs, melting the steel and forming a molten pool. The rail ends are then brought together, and the molten metal solidifies to create a solid joint. 3. In situations where flash butt welding or aluminothermic welding is not feasible, Gas Pressure Welding is employed. This method involves heating the rail ends using a gas flame and applying pressure to forge the ends together. Skilled operators and specialized equipment are required to achieve a strong and reliable joint. 4. Electric Arc Welding utilizes an electric arc to heat the rail ends and applies pressure to forge them together. This method is typically used for repairs and maintenance work as it is less time-consuming and requires less specialized equipment compared to other welding methods. 5. Stud Welding is employed to attach various accessories, such as guardrails, signals, or fixtures, to the rail. This type of welding involves shooting a stud or threaded bolt onto the rail surface using an electric arc. The stud securely attaches, providing a strong connection for the accessory. Each type of rail weld has its own set of advantages and disadvantages. The choice of which method to use depends on factors such as the specific application, location, and available resources. Proper welding techniques and quality control are crucial to ensure the integrity and durability of rail welds.
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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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