Steel Heavy Rail with High Quality for Structure Project and Building
- 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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Product Description of Steel Heavy Rail with High Quality for Structure Project and Building:
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 Structure Project and Building:
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 Structure Project and Building:
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 Structure Project and Building:
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: How soon can we receive the product after purchase?
A1: 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.
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: Why buy Materials & Equipment from OKorder.com?
A3: All products offered by OKorder.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.
Images:
- Q: How do seamless rails solve thermal stress problems?
- The fastening of the track of the jointless track adopts a special elastic fastener and an anti climbing device, and the track is pulled by force
- Q: How are steel rails affected by extreme weather conditions?
- Steel rails can be significantly affected by extreme weather conditions. For example, in extremely hot weather, the expansion of the steel due to high temperatures can cause the rails to buckle or warp. This can lead to track misalignment and pose a serious safety risk for trains. On the other hand, in extremely cold weather, steel rails contract, which can cause gaps between the rails. This can result in track instability and increase the risk of derailments. Moreover, freezing temperatures can also lead to the formation of ice on the rails, making them slippery and reducing traction for trains. Additionally, steel rails are also prone to corrosion, which can be accelerated in certain extreme weather conditions. For instance, in coastal areas with high humidity or during heavy rainfall, the rails can be exposed to moisture, leading to rust and weakening of the metal. This can ultimately compromise the integrity of the rail, impacting its durability and lifespan. To mitigate the effects of extreme weather conditions on steel rails, various measures are implemented. These may include regular inspections to identify any potential issues, the use of thermite welding to join rails during extreme temperatures, and applying anti-corrosion coatings to protect against moisture and rust. Overall, extreme weather conditions can have a significant impact on steel rails, compromising their stability, durability, and safety. Therefore, it is crucial for railway operators to be proactive in implementing maintenance and preventive measures to ensure the resilience and performance of the rail infrastructure in the face of challenging weather conditions.
- Q: What are the alternatives to steel rails?
- Several options other than steel rails have been explored and utilized in various applications. These alternatives present different pros and cons, depending on the specific requirements and conditions of the railway system. 1. Concrete rails: Concrete has been extensively used as a substitute for steel rails, especially in urban transit systems. Concrete rails consist of pre-stressed, reinforced concrete, providing durability and resistance to wear and tear. They have a longer lifespan and are less susceptible to corrosion compared to steel rails. However, installing and maintaining concrete rails is more costly. 2. Composite rails: Rail applications are increasingly incorporating composite materials such as fiberglass or carbon fiber. These materials offer excellent resistance to corrosion and fatigue, along with high strength-to-weight ratios. Composite rails reduce the track's weight, resulting in decreased energy consumption and lower maintenance costs. However, their long-term durability and cost-effectiveness are still being assessed as they are relatively new. 3. Plastic rails: Plastic rails, often made of high-density polyethylene (HDPE), are an additional alternative to steel. These rails are lightweight, corrosion-resistant, and have low friction coefficients, reducing wear on train wheels. Plastic rails also require less maintenance compared to steel rails. However, they may not be suitable for heavy-duty or high-speed railways due to their lower strength and impact resistance. 4. Timber rails: Historically, timber rails were commonly used before steel was introduced. Although less common today, timber rails are still employed in certain applications, such as heritage or tourist railways. Timber rails necessitate regular maintenance, including treatments to prevent decay and warping. They are less durable than steel and may not be suitable for heavy freight or high-speed trains. 5. Magnetic levitation (Maglev): Maglev trains, like those operating in Japan and China, utilize magnetic fields to levitate and propel the train, eliminating the need for traditional rails entirely. Maglev systems offer high speeds, reduced noise, and minimal maintenance requirements. However, implementing them is highly expensive, and they are limited to specific routes due to the need for specialized infrastructure. To summarize, alternatives to steel rails encompass concrete, composite, plastic, timber, and maglev systems. Each alternative has its own advantages and disadvantages, and their suitability depends on factors such as cost, durability, maintenance requirements, and the specific needs of the railway system.
- Q: How do steel rails handle temperature variations?
- Steel rails expand and contract with changes in temperature. This can cause them to buckle or warp if the expansion or contraction is too extreme. To manage this, rail tracks are designed with sufficient gaps between the rail segments to allow for expansion. Additionally, rail tracks are installed with fasteners that have some flexibility to accommodate thermal movements. Regular maintenance and monitoring are also carried out to ensure the rails remain safe and aligned during temperature variations.
- Q: What is the average lifespan of steel rails?
- The average lifespan of steel rails can vary depending on several factors such as usage, maintenance, and environmental conditions. Generally, steel rails are designed to last for several decades, with an estimated average lifespan of 30 to 50 years. However, this lifespan can be significantly extended with proper maintenance and regular inspections. Regular maintenance practices such as rail grinding, lubrication, and timely replacement of worn-out sections can help prolong the life of steel rails. Additionally, factors like heavy usage, extreme weather conditions, and corrosive environments can reduce the lifespan of steel rails. Hence, it is crucial for rail operators to invest in proper maintenance practices and monitoring systems to ensure the longevity and safety of steel rails.
- Q: How are steel rails protected from warping?
- Steel rails are protected from warping through a combination of design and maintenance practices. Firstly, during the manufacturing process, steel rails are carefully engineered to have a specific shape and size that helps them resist warping. The rails are made with a precise curvature and are designed to be thermally stable, meaning they can withstand temperature changes without significant distortion. Additionally, steel rails are often treated with specialized coatings to enhance their durability and resistance to warping. These coatings may include anti-corrosive materials that protect the rails from exposure to moisture and other environmental factors that can contribute to warping. Proper maintenance is crucial in preventing rail warping as well. Regular inspections are conducted to identify any signs of warping or stress on the rails. In case of any deformation, immediate repairs or replacements are carried out to ensure the safe and efficient operation of the rail system. Furthermore, rail tracks are often installed on a solid foundation, such as ballast or concrete, to provide stability and reduce the risk of warping. The foundation helps distribute the weight and forces exerted on the rails, minimizing the potential for distortion. In summary, steel rails are protected from warping through careful design, the application of protective coatings, regular maintenance, and the use of a stable foundation. These measures work together to ensure the longevity and reliability of rail systems.
- Q: How do steel rails contribute to railway safety?
- Steel rails contribute to railway safety in several ways. Firstly, steel rails are incredibly strong and durable. They can withstand the weight of heavy trains and provide a stable and reliable track structure. This strength helps to prevent derailments and ensures that trains can travel safely at high speeds without the risk of the rails bending or breaking under the pressure. Secondly, steel rails have a smooth and consistent surface, which allows for smooth and efficient train operation. This reduces the risk of sudden jolts or vibrations that could potentially cause accidents or damage to the train or tracks. The smooth surface also ensures that the wheels of the train can maintain proper contact with the rails, preventing any loss of traction or slipping. Additionally, steel rails are resistant to wear and tear, even under heavy use. They are designed to withstand the constant contact and friction from the train wheels, minimizing the formation of defects or imperfections on the surface. This reduces the risk of any irregularities that could potentially cause accidents or disrupt train operations. Furthermore, steel rails have excellent heat resistance properties. They can withstand the extreme temperatures generated by the friction between the train wheels and the rails. This is particularly important in areas with high-speed trains or heavy traffic, as excessive heat can cause the rails to expand and warp, leading to track deformations or even derailments. The heat resistance of steel rails helps to ensure that the tracks remain stable and safe for train operations. Overall, steel rails play a crucial role in maintaining railway safety. Their strength, durability, smoothness, resistance to wear and tear, and heat resistance properties all contribute to the safe and efficient operation of trains, reducing the risk of accidents and ensuring the smooth flow of rail traffic.
- Q: How do steel rails handle sharp turns?
- Steel rails are designed to handle sharp turns on railway tracks efficiently and safely. The shape and structure of the steel rails allow for smooth navigation through curves. One way in which steel rails handle sharp turns is through the concept of superelevation or cant. Superelevation is the process of tilting the outer rail of a curve slightly higher than the inner rail. This technique helps to counteract the centrifugal force generated during the turn, ensuring that the train stays on the track. It allows for a more comfortable ride for passengers and reduces the risk of derailment. Furthermore, steel rails are made of a durable and flexible material that can withstand the forces exerted during sharp turns. The elasticity of steel allows it to bend and flex under pressure, preventing the rail from breaking or cracking. This flexibility is crucial in maintaining the integrity of the track and ensuring a smooth transition through the curve. In addition to the physical characteristics of steel rails, proper maintenance and inspection play a significant role in handling sharp turns. Regular inspections of the rails, including checking for wear and tear, cracks, and alignment, help to identify any potential issues and prevent accidents. Maintaining the appropriate level of lubrication between the wheels and rails also reduces friction, allowing for smoother movement through curves. Overall, steel rails are specifically designed to handle sharp turns on railway tracks effectively. Through techniques such as superelevation and the inherent flexibility of steel, they ensure a safe and efficient navigation through curves, providing a comfortable and secure ride for passengers.
- Q: What are the noise levels associated with steel rails?
- The noise levels associated with steel rails can vary depending on various factors such as train speed, track condition, and the presence of noise-reducing measures. However, in general, steel rails can produce significant noise levels, especially when trains pass over joints or crossings. To mitigate these noise levels, measures like rail dampers or resilient fastening systems can be implemented to reduce vibrations and resulting noise.
- Q: How are steel rails protected against mechanical damage?
- Steel rails are protected against mechanical damage through various methods, such as regular inspection and maintenance, installation of protective devices like rail guards and end cups, and implementing measures to prevent excessive wear and tear, such as proper ballast support and track alignment.
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Steel Heavy Rail with High Quality for Structure Project and Building
- 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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