Heavy Steel with High Quality for Structure Prefabricated House
- 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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OKorder Financial Service
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Product Description of Heavy Steel with High Quality for Structure Prefabricated House:
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 Heavy Steel with High Quality for Structure Prefabricated House:
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 Heavy Steel with High Quality for Structure Prefabricated House:
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 Heavy Steel with High Quality for Structure Prefabricated House:
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: What makes stainless steel stainless?
A1: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q2: Can stainless steel rust?
A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
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.
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- Q:What are the environmental impacts of steel rails?
- Steel rails have several environmental impacts. The production process of steel rails requires significant amounts of energy and raw materials, contributing to greenhouse gas emissions and resource depletion. Additionally, the extraction of iron ore and other materials for steel production can have detrimental effects on ecosystems, such as deforestation and habitat destruction. Furthermore, the transportation and installation of steel rails require fossil fuels, contributing to air pollution and carbon emissions. However, steel rails are durable and can be recycled, reducing the overall environmental impact compared to other materials.
- Q:How are steel rails manufactured to withstand high impact forces?
- Steel rails are manufactured to withstand high impact forces through a combination of careful design, high-quality materials, and precise manufacturing processes. The rails are typically made from a special grade of steel that exhibits excellent strength and durability. They undergo processes such as hot rolling, which involves heating the steel and then shaping it into the desired rail profile. Additionally, the rails may undergo heat treatment or other techniques to further enhance their hardness and toughness. These manufacturing methods ensure that the steel rails can withstand the significant impact forces exerted by heavy trains, thereby ensuring their longevity and safety.
- Q:How are steel rails manufactured to exact specifications?
- Steel rails are manufactured to exact specifications through a precise and methodical process that involves several steps. The first step is the selection of high-quality steel, usually a specific grade of steel with desired characteristics such as strength and durability. Once the steel is chosen, it undergoes a rigorous quality control process to ensure it meets the required standards. The next step involves the shaping of the steel into rails. This is typically done through a process called rolling, where the steel is passed through a series of rollers that gradually shape it into the desired rail profile. These rollers are carefully designed and calibrated to ensure the rail is formed accurately and precisely. During the rolling process, the steel is heated to a specific temperature to make it more malleable and easier to shape. The temperature is closely monitored to ensure it remains within the desired range. After the rolling process, the rails are cooled gradually to prevent any distortion or stress within the steel. Once the rails are formed, they undergo a thorough inspection to ensure they meet the exact specifications. This inspection involves measuring various parameters such as dimensions, weight, and surface quality. Advanced technologies like laser scanning and ultrasonic testing may be employed to detect any defects or deviations from the required specifications. If any discrepancies are found, the rails may undergo additional processing, such as straightening or heat treatment, to correct the issues. This ensures that the final product meets the exact specifications and quality standards set by the industry. Throughout the manufacturing process, stringent quality control measures are implemented to guarantee the rails' conformity to the specified standards. This includes regular testing and monitoring of the steel's chemical composition, mechanical properties, and overall integrity. Additionally, the manufacturing facilities are often certified by recognized quality management systems to ensure consistent adherence to the required specifications. In conclusion, the manufacturing of steel rails to exact specifications involves careful selection of high-quality steel, precise shaping through rolling, thorough inspections, and rigorous quality control measures. This meticulous process guarantees that the final product meets the specific requirements and ensures the safety and efficiency of railway systems.
- Q:Can steel rails be used in temporary track installations?
- Indeed, steel rails possess the potential for utilization in temporary track installations. Typically employed in permanent railway tracks owing to their endurance, robustness, and capacity to withstand deterioration, steel rails can also serve in temporary track installations, particularly when the need arises for swift and efficient laying of temporary tracks. With their capacity to provide stability, dependability, and the ability to bear substantial loads, steel rails prove suitable for temporary track installations in diverse environments, encompassing construction sites, mining operations, and temporary rail yards. Moreover, steel rails can be conveniently dismantled and reinstalled once the temporary track is rendered unnecessary.
- Q:How are steel rails affected by snow or ice accumulation?
- Snow and ice buildup can have a significant impact on the steel rails. Firstly, when the rails are covered in snow or ice, it can greatly reduce the traction between the train wheels and the tracks. This lack of traction makes it difficult for trains to maintain a firm grip, potentially leading to slippage. As a result, train speeds decrease, braking distances become longer, and dangerous situations may arise. Moreover, the accumulation of snow or ice on the rails can create uneven surfaces. When trains pass over these irregularities, vibrations occur, causing discomfort for passengers and accelerating the wear and tear on both the rails and train components. In extreme cases, derailments or damage to the train's undercarriage can occur due to the presence of ice or snow. Additionally, snow and ice can also impact the signaling systems on the railways. When snow or ice accumulates, it can block or impair the visibility of signals, making it challenging for train operators to accurately interpret them. This, in turn, can lead to safety hazards. To combat these issues, rail operators implement various measures. For example, they may utilize snowplows or snowblowers to clear the tracks of snow, or they may apply de-icing agents to prevent the formation of ice. Additionally, rail operators often increase the frequency of inspections during snowy or icy conditions to promptly identify and address any potential problems. In conclusion, the accumulation of snow and ice poses significant challenges for steel rails, including reduced traction, uneven surfaces, potential derailments, and impaired signaling systems. Consequently, rail operators take proactive steps to prevent or minimize these effects, ensuring the safe and efficient operation of trains during winter weather conditions.
- Q:How are steel rails protected from impact from falling debris?
- Various protective measures are typically employed to safeguard steel rails against impact from falling debris. One commonly used technique involves installing protective screens or netting along the railway tracks. These screens, typically constructed from sturdy materials like steel or mesh, are designed to catch and deflect any debris that may descend onto the rails. By acting as a barrier, these screens effectively prevent direct impact on the steel rails, thus reducing the risk of damage. Additionally, another method employed is the implementation of overhead structures or canopies. These structures, typically composed of durable materials such as concrete, steel, or even reinforced glass, are positioned above the railway tracks. Their purpose is to serve as a shield, creating a physical barrier between the falling debris and the steel rails. By intercepting and redirecting the debris away from the tracks, these overhead structures provide an added layer of protection. Furthermore, ensuring the protection of the railway tracks necessitates regular inspection and maintenance. Railway authorities have specific protocols in place to regularly assess the condition of the tracks, looking for any signs of damage or vulnerabilities that could compromise their integrity. By promptly identifying and addressing any issues, such as repairing or replacing damaged sections, the risk of damage from falling debris can be minimized. In conclusion, a combination of protective screens or netting, overhead structures, and diligent maintenance practices is essential for safeguarding steel rails against the potential impacts of falling debris. These measures play a vital role in maintaining the safety and integrity of railway tracks, ensuring the smooth and uninterrupted operation of trains.
- Q:What are the weight and length specifications for steel rails?
- The weight and length specifications for steel rails can vary depending on the specific application and industry standards. However, commonly used steel rails for railway tracks typically have a weight range of 30 to 60 kilograms per meter and a length of 12 to 25 meters.
- Q:How do steel rails contribute to the safety of rail transportation?
- Steel rails contribute to the safety of rail transportation in several ways. Firstly, steel rails provide a sturdy and stable track structure, ensuring that trains can travel smoothly and without derailments. Additionally, steel rails have high tensile strength, allowing them to withstand heavy loads and intense pressure, which reduces the risk of track failures. Moreover, the durability of steel rails allows for regular maintenance and inspection, ensuring any potential issues are addressed promptly to prevent accidents. Overall, steel rails play a crucial role in maintaining the safety and reliability of rail transportation systems.
- Q:What is the role of steel rails in railway signaling systems?
- Steel rails play a crucial role in railway signaling systems as they provide the foundation for safe and efficient train operations. The primary function of steel rails in railway signaling is to facilitate the transmission of signaling information between the trackside equipment and the moving trains. Railway signaling systems rely on steel rails to carry electrical signals that communicate vital information such as speed limits, track conditions, and the presence of other trains. These signals are transmitted through various mechanisms, including track circuits, axle counters, and signaling cables, all of which rely on the steel rails as a conductive medium. Track circuits are a fundamental part of railway signaling systems and are used to detect the presence of trains on a particular section of track. They work by creating an electrical circuit between the two rails, and when a train occupies the track, the electrical continuity is disrupted, triggering a signal to the control center. Steel rails provide the necessary conductivity for these track circuits to function effectively. In addition to track circuits, steel rails also play a critical role in axle counting systems, which are used to precisely determine the location and speed of trains. These systems rely on electrical sensors mounted on the rails to detect the axles of passing trains. By accurately counting the axles, the signaling system can calculate the train's position and ensure safe spacing between trains. Furthermore, steel rails provide a physical reference for other signaling equipment, such as signals and train detection devices. Signals, which indicate to train operators when to proceed, are typically mounted alongside or above the tracks, utilizing the rails as a visual reference point. Similarly, train detection devices, such as wheel sensors or treadles, rely on the steel rails to accurately sense the presence and movement of trains. In summary, steel rails are essential components in railway signaling systems. They enable the transmission of vital information between trackside equipment and trains by providing the necessary electrical conductivity. Without steel rails, the signaling system would be unable to accurately detect trains, ensure safe spacing between them, and provide critical information to train operators, ultimately compromising the safety and efficiency of the railway network.
- Q:What are the different types of steel rail track circuits?
- There are several types of steel rail track circuits, including the track circuit with continuous welded rail (CWR), the insulated rail joint circuit (IRJ), and the axle counter circuit.
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Heavy Steel with High Quality for Structure Prefabricated House
- 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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