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 curved sections of railway tracks?
- Yes, steel rails can be used in curved sections of railway tracks. In fact, steel rails are commonly used in curved sections of railway tracks due to their high strength and durability. The flexibility of steel allows it to be shaped and curved to fit the desired track design. Additionally, steel rails can withstand the forces and stresses generated by trains traveling on curved tracks, ensuring the safe and efficient operation of the railway system. However, it is important to note that proper engineering and design considerations are necessary to ensure that the curvature of the track is within acceptable limits for the specific type of train and its speed.
- Q:How are steel rails tested for strength and durability?
- Steel rails are tested for strength and durability through a rigorous process known as rail testing. This testing is conducted to ensure that the steel rails used in railway tracks meet the necessary standards and can withstand the heavy loads and daily wear and tear they are subjected to. One of the primary methods used to test steel rails is the ultrasonic testing method. This involves using high-frequency sound waves to inspect the internal structure of the rail. Ultrasonic waves are sent through the rail, and any disruptions or irregularities in the wave pattern indicate potential defects or weaknesses within the rail. This non-destructive testing method allows for a thorough examination of the steel rails without causing any damage. Another commonly employed testing technique is the hardness testing method. This involves measuring the hardness or resistance of the steel rail's surface to indentation. A specialized instrument known as a hardness tester is used to apply a controlled force on the rail's surface, and the depth of the indentation is measured. This measurement helps determine the rail's strength and resistance to deformation. Additionally, steel rails are subjected to visual inspections. This involves visually examining the rails for any signs of cracks, fractures, or other visible defects. Inspectors often use specialized equipment such as magnifying glasses, cameras, and even drones to ensure a thorough assessment of the rail's condition. To assess the durability of steel rails, accelerated fatigue tests are often conducted. These tests simulate the repetitive loading and unloading that the rails experience under normal operating conditions. The rails are subjected to cyclic loads, and the number of cycles required to cause failure or deformation is recorded. This information helps determine the rail's durability and expected lifespan. Furthermore, steel rails are tested for their resistance to corrosion, which can significantly impact their durability. Corrosion tests involve exposing the rails to various corrosive agents, such as saltwater or acidic solutions, and monitoring their reaction over time. These tests help evaluate the rail's ability to resist corrosion and maintain their structural integrity over prolonged periods. In conclusion, steel rails undergo a comprehensive testing process to ensure their strength and durability. Through techniques such as ultrasonic testing, hardness testing, visual inspections, fatigue tests, and corrosion tests, rail manufacturers and authorities can ensure that the steel rails used in railway tracks meet the necessary quality standards and can withstand the demanding conditions they are exposed to.
- Q:Are steel rails used in mountainous terrains?
- Yes, steel rails are commonly used in mountainous terrains as they provide durability and strength required to support heavy loads and withstand the challenging terrain.
- Q:How are steel rails used in high-speed railways?
- Steel rails are a critical component of high-speed railways, playing a vital role in ensuring the safe and efficient operation of trains. These rails are specifically designed and manufactured to withstand the high speeds and heavy loads of high-speed trains. One of the primary uses of steel rails in high-speed railways is to provide a smooth and stable track for trains to run on. The rails are laid on a well-leveled and compacted track bed, forming a continuous and rigid track structure. This enables trains to travel at high speeds while maintaining stability and minimizing vibrations. Steel rails also contribute to the safety of high-speed railways by providing a secure and reliable guidance system for the trains. The wheels of the train are designed to fit precisely on the rails, ensuring that the train stays on track even when traveling at high speeds. The rails help in guiding the train along its designated path, preventing any derailments or accidents. Furthermore, steel rails are designed to withstand the immense forces and loads exerted by high-speed trains. They are made from high-quality steel with specific properties to ensure durability and longevity. This allows the rails to bear the weight of the train and distribute the load evenly, preventing any excessive wear or deformation. Maintenance of steel rails in high-speed railways is also a crucial aspect. Regular inspections and maintenance activities are carried out to identify any potential defects or issues in the rails. This helps in ensuring the safety and efficiency of the tracks, as any defects in the rails could lead to accidents or disruptions in train services. In summary, steel rails are an integral part of high-speed railways, providing a smooth and stable track for trains to run on, ensuring the safety and efficiency of train operations. They are designed to withstand the high speeds and heavy loads of high-speed trains, guiding the trains along their designated path while distributing the load evenly. Regular maintenance and inspections are conducted to ensure the integrity and safety of the steel rails.
- Q:How are steel rails protected from theft and vandalism?
- Steel rails are protected from theft and vandalism through various security measures and precautions. These include regular patrols and surveillance of railway tracks by security personnel, installation of CCTV cameras at vulnerable points, fencing and secure enclosures around rail yards, and the use of tamper-proof fasteners and locks. Additionally, marking and tracking systems are often employed to deter theft and aid in the recovery of stolen rails.
- Q:Generally, how often do rail rails change?
- But the passenger dedicated line, such as the Beijing-Shanghai high-speed railway, the Wuhan Guangzhou high-speed railway, the Beijing Tianjin Intercity Rail replacement, the cycle is very long, generally can reach ten years or even in the past 20 years, because of the high iron light axle load, line status, and problems of the rail wear less, low probability.
- Q:How do steel rails handle changes in track elevation?
- Steel rails are designed to handle changes in track elevation by providing stability and support to the train. The rails are placed on a series of crossties, which are elevated or lowered to match the track elevation. This ensures that the train moves smoothly and safely, minimizing any disruptions or discomfort for passengers. Additionally, the steel rails are flexible enough to accommodate slight variations in track elevation, allowing for a more comfortable and efficient rail transportation system.
- Q:What are the maintenance requirements for steel rails in cold climates?
- In cold climates, the maintenance requirements for steel rails primarily involve preventing corrosion caused by exposure to snow, ice, and freezing temperatures. Regular inspections and removal of ice buildup, as well as the application of anti-corrosion coatings, are essential. Additionally, ensuring proper drainage and addressing any issues related to frost heave or thermal expansion are crucial to maintaining the integrity and safety of steel rails in cold climates.
- Q:How do steel rails reduce maintenance costs for railways?
- Steel rails reduce maintenance costs for railways in several ways. Firstly, steel is a highly durable material that can withstand heavy loads and extreme weather conditions. This durability means that steel rails have a longer lifespan compared to other materials such as wood or concrete. As a result, railways do not need to replace steel rails as frequently, leading to cost savings in terms of material and labor. Secondly, steel rails have excellent resistance to wear and tear. Trains exert immense pressure on the rails, causing them to wear down over time. However, steel's hardness and strength make it more resistant to this wear, reducing the need for frequent repairs or replacements. This ultimately lowers maintenance costs for the railway infrastructure. Moreover, steel rails have a smooth surface and consistent dimensions, which promotes smooth and efficient train operations. A smooth rail surface reduces friction between the wheels and the track, resulting in less wear and tear on both components. This reduces the need for maintenance and replacement of both the rails and the train wheels, resulting in cost savings for the railway. Additionally, steel rails require less maintenance in terms of cleaning and debris removal. Their smooth surface allows for easy removal of debris and materials that may accumulate on the tracks, minimizing the risk of track obstructions and train derailments. This reduces the frequency of maintenance activities, saving time and resources for the railway operator. Overall, the use of steel rails in railways helps reduce maintenance costs by providing durability, wear resistance, smooth operation, and ease of maintenance. These factors contribute to longer rail lifespan, fewer repairs, and less frequent replacement needs. By investing in steel rails, railways can achieve significant cost savings in the long run, leading to more efficient and sustainable operations.
- Q:What are the different rail profiles available for steel rails?
- The different rail profiles available for steel rails include flat-bottomed rails, bullhead rails, vignole rails, and grooved rails.
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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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