Steel Heavy Rail with Multiple Specifications
- 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
You Might Also Like
Product Description of Steel Heavy Rail with Multiple Specifications:
Alloy No | Grade | Element(%) | ||||
C
| Mn | S
| P
| Si
| ||
Q235 |
B
|
0.12—0.20 |
0.3—0.7 |
≤0.045 |
≤0.045
|
≤0.3
|
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.
Usages of Steel Heavy Rail with Multiple Specifications:
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 Multiple Specifications:
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 Multiple Specifications:
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 maximum speed limit for steel rails?
- The maximum speed limit for steel rails can differ based on various factors, including the track's condition, the train or locomotive type, and the specific regulations set by the governing transportation authority. Generally, properly maintained steel rail tracks allow high-speed passenger trains to reach speeds of up to 186 mph (300 km/h). However, freight trains usually have lower speed limits due to their heavier weight and longer stopping distances. On average, these limits can range from 50 mph (80 km/h) to 70 mph (110 km/h). It is worth noting that these figures are approximate and subject to variation depending on the specific circumstances and regulations in different regions.
- Q: Can steel rails be used in underground railway systems?
- Yes, steel rails can be used in underground railway systems. Steel rails are commonly used in underground railways due to their durability, strength, and ability to withstand heavy loads and frequent usage. They provide a stable track structure for trains to run on and have been used in underground railway systems around the world for many years.
- Q: How do steel rails handle uneven track settlements?
- Steel rails are designed to handle uneven track settlements by flexing and adjusting to the changes in the track alignment. The flexibility of steel allows it to absorb the impact and distribute the load evenly, minimizing the effects of settlement on the train's stability and smoothness of the ride. Additionally, regular maintenance and monitoring of the tracks help identify and rectify any settlement issues promptly, ensuring safe and efficient rail operations.
- Q: Can steel rails be used for underground tunnels?
- Indeed, underground tunnels can make use of steel rails. Steel rails are frequently employed in the construction of rail systems, with underground tunnels being no exception. These rails bring forth numerous advantages, such as their robustness, durability, and resistance to wear and tear. Steel rails possess the capability to withstand the immense loads and vibrations that accompany trains passing through tunnels. Moreover, they furnish a steady and smooth surface for train operations, guaranteeing secure and efficient transportation. Nevertheless, it is crucial to bear in mind that factors such as the specific design requirements, geological conditions, and environmental considerations ought to be taken into consideration when choosing the type of rails for underground tunnels.
- Q: How are steel rails inspected for rail foot defects?
- Steel rails are inspected for rail foot defects through a variety of non-destructive testing methods such as ultrasonic testing, magnetic particle testing, and visual inspection. These techniques help identify any cracks, fractures, or other abnormalities in the rail foot, ensuring safe and efficient railway operation.
- Q: What are the safety precautions taken during steel rail welding?
- During steel rail welding, several safety precautions are taken to ensure the well-being of the workers involved and to prevent accidents and injuries. Some of the key safety measures implemented during steel rail welding include: 1. Personal Protective Equipment (PPE): Workers are provided with and required to wear appropriate PPE such as welding helmets, safety glasses, flame-resistant clothing, gloves, and steel-toed boots. This protective gear helps safeguard against sparks, heat, UV radiation, and potential injuries. 2. Ventilation: Adequate ventilation is crucial to remove fumes, gases, and smoke generated during the welding process. Proper ventilation systems, such as exhaust fans or local exhaust ventilation, are installed to maintain a safe and breathable working environment. 3. Fire Prevention: Welding generates intense heat, sparks, and molten metal, creating a high fire risk. To minimize the chance of fire, fire extinguishers, fire blankets, and fire-resistant barriers are readily available and regularly inspected. Additionally, all flammable materials are removed from the welding area. 4. Welding Screens and Curtains: Welding screens or curtains made of flame-resistant materials are used to create barriers and protect adjacent workers from harmful radiation, sparks, and potential eye injuries. 5. Grounding and Isolation: Proper grounding of the welding equipment and isolation from nearby flammable materials are essential to prevent electrical shocks and fires. This is achieved by connecting the welding machine to a grounded power source and ensuring all cables and connections are insulated and in good condition. 6. Training and Certification: Welders are required to undergo comprehensive training and obtain relevant certifications to ensure they are proficient in safe welding practices. They are trained to identify hazards, handle equipment safely, and respond appropriately to emergencies. 7. Regular Equipment Maintenance: Welding equipment is regularly inspected, maintained, and serviced to ensure its safe and efficient operation. Any damaged or faulty equipment is promptly repaired or replaced to prevent accidents. 8. Risk Assessment and Job Planning: Prior to commencing any welding work, a thorough risk assessment is conducted to identify potential hazards and determine the appropriate safety measures. Adequate job planning includes considering factors such as weather conditions, visibility, and the presence of other workers. By implementing these safety precautions, the risks associated with steel rail welding can be minimized, providing a safer working environment for the welders and reducing the likelihood of accidents and injuries.
- Q: How do steel rails handle the weight distribution of trains?
- Steel rails are specifically designed to handle the weight distribution of trains effectively. The weight of a train is distributed across its wheels, which in turn exert pressure on the steel rails. The rails are constructed to be strong and rigid, capable of supporting the massive loads imposed by trains. They are typically made of high-strength steel, which provides the necessary durability and resilience to withstand continuous heavy loads and the wear and tear caused by train traffic. The weight distribution of trains is carefully managed to avoid excessive stress on the rails. The design of the rail track includes a proper alignment and a system of sleepers or ties, which provide support to the rails and help distribute the weight of the train more evenly. These sleepers are typically made of wood, concrete, or steel, and they are placed at regular intervals along the track. They act as a buffer between the rails and the ground, absorbing the impact and distributing the load over a larger area. Furthermore, the shape of the steel rails also plays a crucial role in handling weight distribution. The rails are shaped in a way that allows for a smooth transition of the train's weight from one rail to another, minimizing stress concentrations. The top surface of the rail is slightly curved, forming a "crown" to facilitate proper weight distribution and prevent excessive wear on the inner and outer edges. Regular maintenance and inspections are essential to ensure that the steel rails continue to handle the weight distribution effectively. Any signs of wear, deformation, or damage are identified and addressed promptly to maintain the structural integrity of the rail track. This includes replacing worn-out sections, repairing cracks, and realigning the track if necessary. Overall, steel rails are engineered to handle the weight distribution of trains by providing a strong, rigid, and durable surface that can effectively support the immense loads imposed by trains. Through proper design, maintenance, and monitoring, the steel rails ensure safe and efficient transportation of goods and passengers.
- Q: How do steel rails contribute to train braking efficiency?
- Steel rails contribute to train braking efficiency in several ways. Firstly, steel rails provide a smooth and durable surface for the train wheels to roll on, ensuring minimal friction and allowing the wheels to maintain a consistent grip on the tracks during braking. This helps to prevent wheel slippage and allows for effective application of braking force. Additionally, the strength and stability of steel rails enable them to withstand the immense forces exerted by the braking system, ensuring reliable and efficient stopping of the train. Moreover, steel rails are designed with specific profiles and shapes that facilitate effective braking, such as providing a contact area that maximizes frictional forces between the wheels and the tracks. Overall, steel rails play a crucial role in maintaining the safety and efficiency of train braking systems.
- Q: What are the challenges of welding steel rails?
- Welding steel rails poses several challenges due to the nature of the material and the specific requirements of rail welding. Some of the main challenges include: 1. High heat input: Welding steel rails requires high heat input, which can lead to distortion and residual stresses in the rail. This can cause issues with the overall structural integrity of the rail, leading to increased maintenance and potential safety concerns. 2. Joint alignment: Steel rails are typically joined together using a butt joint, which requires precise alignment during the welding process. Any misalignment can lead to weak welds and the potential for rail failure under heavy loads. Achieving accurate joint alignment can be challenging, especially when dealing with long rail sections. 3. Material properties: Steel rails have specific material properties that need to be considered during the welding process. For example, rails are often made from high-strength steel, which can be more susceptible to cracking during welding. Welding procedures must take into account the specific material composition and properties to ensure proper weld formation and avoid potential defects. 4. Contaminants and impurities: Steel rails are exposed to various contaminants and impurities, such as dirt, grease, and rust, which can affect the quality of the weld. Proper cleaning and surface preparation are essential to remove any contaminants and ensure good fusion and integrity of the weld. 5. Rail expansion and contraction: Steel rails are subject to extreme temperature variations, causing them to expand and contract. This thermal cycling can affect the integrity of the welds, leading to cracking and potential failures. Special consideration needs to be given to the design and welding process to accommodate for these thermal stresses and prevent any detrimental effects on the rail welds. 6. Safety hazards: Welding steel rails involves working in a hazardous environment, with high temperatures, intense light, and potentially harmful fumes and gases. Adequate safety precautions, such as proper ventilation, protective clothing, and safety equipment, must be implemented to protect the welder and prevent accidents. Overall, welding steel rails requires careful attention to detail and expertise to overcome the challenges associated with the material properties, joint alignment, and thermal stresses. Proper welding procedures, quality control measures, and safety protocols are crucial to ensure the integrity and longevity of the rail welds.
- Q: Can steel rails be used in high-impact applications?
- Yes, steel rails can be used in high-impact applications. Steel is known for its high strength and durability, making it a suitable material for use in industries where high-impact forces are common, such as railways, construction, and heavy machinery. Steel rails are designed to withstand the weight of heavy trains and endure the impact and vibration caused by their movement. Additionally, steel rails have excellent resistance to wear and corrosion, ensuring their longevity and reliability in high-impact environments. Overall, steel rails are a preferred choice for applications that require withstanding high-impact forces.
Send your message to us
Steel Heavy Rail with Multiple Specifications
- 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
Similar products
Hot products
Hot Searches
Related keywords
