The steel rail is used to guide the train wheels far forwarding, by withstanding the enormous stress by the wheel when a train passes by, and transferring to the tie sleepers as well. The rail shall provide smooth and continuous rolling surface with least resistance. Generally speaking, the heavier the rails and the rest of the track work, the heavier and higher speed for the train these railroad tracks can carry.
At electrified railway or automatic block sections, the railroad rail can also be used as the railroad track circuit. All modern rails now are made by hot rolled steel of specific cross-section profile which approximates to I-beam but is asymmetric about a horizontal axisflat bottomed, so that can rest directly on the tie sleepers and bullhead rails well.
A rail is composed by three parts of rail Head, Web and Foot, and overall cross-sectional dimensions are always made of rail height AFoot width B and Head width C. Together with the Web thickness tthe 4 sizes are overall dimensions for rail type classifications. In order to ensure better quality, the steel rails have to undergo various tests, such as chemical composition test, tensile strength test, hardness test and drop weight test.
The light rails are mainly used for laying temporary hauling tracks in forested areas, factories, mines, and construction areas.
As an experienced manufacturer of light rail in China, we can provide high quality GB standard light rails at low prices. The heavy rails are mainly used to lay the track of railways and tunnels. Others include tracks for stacker cranes and other cranes. South African standard steel rails are of optional sizes to meet demands of different road construction conditions. The rails have a greater ability to withstand impact deformation and a lower sensitivity to concentrations of stress.
The tie sleeper is always laid perpendicular to the rails, used to hold the rail upright and keep it spaced to the correct gauge. Steel Rail and Sleeper Steel Rails Rail Profile The steel rail is used to guide the train wheels far forwarding, by withstanding the enormous stress by the wheel when a train passes by, and transferring to the tie sleepers as well.
Types of rails 1. Rail Fasteners rail fastening system rail clip railroad spike rail bolt rail shoulders rail anchor rail clamp tie plate Rail Pad rail nylon insulator rail plastic dowel other rail fasteners Rail Track Railway Switch SKL series rail fastening system Chinese standard rail fastening system screw spikes Crane rail fastening system Rail Joints Fishplate rail joints fish bolt Insulated Rail Joint Steel Rail Rail Sleeper Wooden Sleeper Synthetic sleeper Concrete sleeper.
SAE STOverhead Crane rail and Gantry Crane rail for sale. Dongqi offers crane rail services from crane rail design to crane rail installation, with various crane rail dimensions and specifications to meet all your need. Dongqi Crane is your trustworthy crane rail supplier from China. Crane rail includes crane steel rail, track steel rail, square rail. At the top of the rail is convex, the bottom is the tablet which has a certain width, increase the contact area with the base; Cross section of the orbit for i-section, has a good bending strength.
After welding, when the eliminating stress before has not been cooling after heat treatment, must prevent the rain wet; Heat the copper plate can be removed with water cooling, in order to use the next time.
Crane rail welding joint is eliminating stress after heat treatment and cooling to the atmospheric temperature, the track on the surface of the top and sides of weld smooth processing. When welding bulge is too large, with a grinding wheel polishing machine polishing processing, until flush with rail head, finally will surface grinding.
For overhead cranethe overhead crane rail are paved on supporting beam, which include steel beam and concrete beam. According to overhead crane drawing, settle down the position, altitude. And find out rail datum line. If the overhead crane rail is paved on supporting beam, the overhead crane rail center distance and supporting beam center distance, their deviation should be within 10mm.
Crane Rail | Crane Rails - Sizes and Steel Grades
Overhead crane rail is fixed on supporting beam, rail bottom should be sole laying on beam top. If there is space and long is more than mm, there should be padded, pad length is more than mm, width is 10—20mm wider than rail bottom.
Each set of pad must not more than 3 layers. Pads are welded to supporting beam. The overhead crane rail connecting joint should be stagger, the staggered distance is not same as wheel gauge. Crane rail i-beam flange weld bevel butt weld, web has same strength through welding butt weld, after welding, the welding surface is leveling.
Some steel plate is out of shape, you can correct it by hammer. For some structural steel, there is special Jack to do gagging. Then make holes for bolts on end of crane rail used to connecting by clamps.
You should make holes by mechanical not instead of gas cutting. The welding is inspected by ultrasonic, require I grade. Crane rail is fixed on the embedded steel plate, which is similar as gantry crane rail foundation. Other work is same as above. If the gantry cranes work in factory, storage or yard, usually the crane rail is sunken in a groove. No matter what condition it is, there should be foundation under the gantry crane rail to make sure the ground can bearing the gantry cane and wheel Max.
The solid foundation for gantry crane is safety base of gantry crane operation. Overhead crane rail and gantry crane rail for sale.
If you need any rail, please feel free to contact us to get your custom overhead crane rail and gantry crane rail. More information abou Dongqi crane parts, please visit Dongqi crane and hoist parts center.
Crane rail basic: Crail rail gnawing prevention. Two rail lateral joint dislocation and height difference shall be less than 1 mm.
Preparation before welding. Before the crane rail welding joint, carefully clean up the groove and the nearby oil contamination, rust, etc, until metallic luster. Welded rail connection sequence is from bottom up, after the first rail waist rail, rail head, one by one step by step a way for surfacing, around the last repair.
The matters needing attention in the process of crane rail welding. Rail connection smooth processing Crane rail welding joint is eliminating stress after heat treatment and cooling to the atmospheric temperature, the track on the surface of the top and sides of weld smooth processing.According to railroad track dimensions and rail track sizes, main crane rail products include QU crane rail, QU80 crane rail, QU70 crane rail and heavy steel train rail.
Next, we will introduce the details of crane rail specifications. QU crane rail is a kind of steel rail with lower height and larger head width and waist thickness. It is used for laying the tracks of crane carts and trolley. It is mainly used for large-scale projects, ports for lifting containers, etc.Crane Rail Aluminothermic Welding
Its load is tons. It is mainly applied for loading and unloading of heavy equipment and special crane rails for gantry cranes. QU80 crane rail is also a kind of steel rail with lower height and larger head width and waist thickness.
Its load is between QU crane rail and QU70 crane rail. QU70 crane rail is a kind of steel rail with lower height and larger head width and waist thickness. Railroad track dimensions and rail track sizes are crucial for heavy rail.
Heavy steel train rail made in china now stands for high quality. Their material include : 50Mn or U71Mn. The details are in Table as follows.
AGICO has detailed product descriptions and engineering application materials. It is willing to provide first-class services for customers and is willing to cooperate sincerely with friends from all walks of life to develop and develop cooperative projects to jointly advance the development of crane track systems. As a professional railway enterprise, AGICO is major in railway products with good quality such as steel rail, rail fastening systems, rail fishplate, rail tie plate, rail bolt, railroad spikes, steel dog spike, etc.
They are exported all over the world. Depending on more than ten years of export experience, we can offer the most competitive price and highest quality for our customers all over the world because we are the factory. In the other side, we can deal with the international business freely because we have an experienced team in the international department.
They can offer the best service to our customers. AGICO owns rich experience and advanced equipment in railway accessories. We can help you solve the above problems! We sincerely seek reliable cooperators abroad to market the world. Welcome to contact with us! Our professional team will reply to you within one business day.
Please feel free to contact us! Seamless rail line is a long rail line which is welded together by standard length rail. The advantage is that the rail joint is completely eliminated, which is a key technology for achieving high-speed railway high-levelness, high stabilit With the development of the times and the progress of science and technology, peoples lives have undergone tremendous changes.
Among them, the changes in transportation are particularly prominent, and high speed rail is born in such an envi Email: info agicorailfasteners.
Get in touch.Developed for overhead gantry and floor-mounted cranes in ports, warehouses and shipyards, our crane rails are available in diverse strengths and sizes. Our high quality products, ability to stick to tight customer delivery schedules and global shipping capability make us a natural choice for major projects worldwide, working alongside leading crane rail installers. With a regular rolling programme of each rail size coupled with our dedicated crane rail stockholding facilities, we offer customers all over the world just-in-time delivery.
Whether for overhead gantry or floor mounted-cranes, we understand that consistency of product is critical. Our rail is checked for straightness and quality in our dedicated inspection facility.
We offer a range of steel rail sections for use with overhead gantry and floor-mounted cranes. Our crane rail products include:. Our crane rails are supplied as standard at 12m lengths and in Other non-standard lengths are available on request. Our extensive steelmaking expertise provides the capability to modify steel specification.
For example, we have developed steels with a higher vanadium content to provide these benefits. For more details of our crane rail products, please see our crane rail brochure. Our team will also be happy to discuss your requirements and answer any questions. Where we've come from.
Our parent company. In the community. UK Steel Charter. Construction steel. Special Profiles. Distribution facilities. How we make steel. Meet our people. Current vacancies. Manufacturing trainees.
Degree apprenticeships. Work experience. Product enquiries.The rail profile is the cross sectional shape of a railway rail perpendicular to its length.
Early rails were made of wood, cast iron or wrought iron. All modern rails are hot rolled steel with a cross section profile approximate to an I-beambut asymmetric about a horizontal axis however see grooved rail below.
The head is profiled to resist wear and to give a good ride, and the foot profiled to suit the fixing system. Unlike some other uses of iron and steel, railway rails are subject to very high stresses and are made of very high quality steel.
It took many decades to improve the quality of the materials, including the change from iron to steel. Minor flaws in the steel that may pose no problems in other applications can lead to broken rails and dangerous derailments when used on railway tracks. By and large, the heavier the rails and the rest of the trackwork, the heavier and faster the trains these tracks can carry.
Rails represent a substantial fraction of the cost of a railway line. Only a small number of rail sizes are made by steelworks at one time, so a railway must choose the nearest suitable size. Worn, heavy rail from a mainline is often reclaimed and downgraded for re-use on a branchlinesiding or yard.
The weight of a rail per length is an important factor in determining rail strength and hence axleloads and speeds. Weights are measured in pounds per yard imperial units are used in Canada, the United Kingdom and United States or kilograms per metre metric units are used in Australia and mainland Europe.
As a kilogram is approximately 2. Disadvantages of the narrower foot were overcome through use of tie plates. Attention was also focused on improved fillet radii to reduce stress concentration at the web junction with the head. Some common North American rail sizes include: . Early rails were used on horse drawn wagonwaysoriginally with wooden rails,  but from the s using strap-iron railswhich consisted of thin strips of cast iron fixed onto wooden rails.
Strap rails sometimes separated from the wooden base and speared into the floor of the carriages above, creating what was referred to as a "snake head".
However, the long-term expense involved in frequent maintenance outweighed any savings. These were superseded by cast iron rails that were flanged i. An early proponent of this design was Benjamin Outram. His partner William Jessop preferred the use of " edge rails " in where the wheels were flanged and, over time, it was realised that this combination worked better.
The earliest of these in general use were the so-called cast iron fishbelly rails from their shape. Rails made from cast iron were brittle and broke easily. They could only be made in short lengths which would soon become uneven. John Birkinshaw 's patent,  as rolling techniques improved, introduced wrought iron in longer lengths, replaced cast iron and contributed significantly to the explosive growth of railroads in the period — The cross-section varied widely from one line to another, but were of three basic types as shown in the diagram.
The parallel cross-section which developed in later years was referred to as Bullhead. They were also used by Charles Vignoles in Britain. The first steel rails were made in by Robert Forester Mushetwho laid them at Derby station in England. Tensile strength increases with carbon content, while ductility decreases. Manganese increases strength and resistance to abrasion. Silicon is preferentially oxidised by oxygen and is added to reduce the formation of weakening metal oxides in the rail rolling and casting procedures.
Phosphorus and sulfur are impurities causing brittle rail with reduced impact-resistance. The use of welded rather than jointed track began in around the s and had become widespread by the s.Rails are available in both new and relay quality.
Rails are also available in standard length sections. Crane Rails also available. Contact one of our sales managers for more details. Crane Rails are used on tramways or light rail operations. North American Rail Products inventory includes various sizes of crane rail. If you operate a tramway operation or light rail transit LRT operation, as is the case in many metro areas, crane rails are often the preferred rail type to ensure your track continues to run smoothly.
North American Rail Products proudly stocks crane rails of multiple sizes, ensuring that our customers are never disappointed when looking for a specific size or type of crane rail. If you have questions about any crane rail applications, call us today and one of our experts will be pleased to help answer any questions you may have!
See our Crane Rail Ordering Guide for the required specifications. All Rights Reserved. We have an impressive selection of track tools and other track materials.
Tee Rails. Crane Rails. Operating across Canada, Universal Rail Systems offers a full suite of integrated railway services with one goal in mind, to create value for our clients. Email Us info narailproducts. Follow Follow.ArcelorMittal is the leading company in delivery crane rails worldwide for port projects and industry with more than 30 different sections to offer to customers.
ArcelorMittal Europe. Our rolling mills produce environmentally friendly steel and are strategically located to serve their respective domestic and export markets. ISO certification to international standard confirms quality procedures that meet the demanding needs of our various product lines. In addition, the group has attained certification to the ISO standard for environmental management. Standard rail lengths are furnished from 6 to 24 meters.
Other lengths are available upon request.
Steel grades are produced to various qualities and specifications as required by our clients. These profiles are produced in accordance with ASTM specification for standard carbon applications or head hardened for greater wear resistance and fatigue life. Standard rail lengths are furnished in 12, 18 and 24 meters. Finishing possibilities to be studied upon request : cuts, special cuts, drilling, machining, bending, blasting-painting….
We show below all the characteristics of our crane rails :. Download Crane Rails Catalogue. Toggle navigation. Home Products Crane Rails. Crane Rails ArcelorMittal is the leading company in delivery crane rails worldwide for port projects and industry with more than 30 different sections to offer to customers. Crane Rail ArcelorMittal Europe. American profiles These profiles are produced in accordance with ASTM specification for standard carbon applications or head hardened for greater wear resistance and fatigue life.
Din Crane Rails. American Crane Rails. Special Crane Rails. Girder Crane Rails. Previous Next. CR MRS GCRD
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