High Quality Hot Rolled Light Steel Rail for Minas Q235,55Q

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
2000000 m.t./month

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Specifications of High Quality Hot Rolled Light Steel Rail for Minas Q235,55Q

Production Standard: GB 11264-89, DIN, AREMA, JIS, BS, UIC, etc.

Sizes: 9kg, 12kg, 15kg, 22kg, 30kg

Length: 6m-25m according to the requriements of the clients

Material: Q235B, 55Q, 900A, etc.

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

Light Rail

Usages of High Quality Hot Rolled Light Steel Rail for Minas Q235,55Q

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 High Quality Hot Rolled Light Steel Rail for Minas Q235,55Q

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.

Light Rail

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.    

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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.

Light Rail

5. Delivered by container or bulk vessel

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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 High Quality Hot Rolled Light Steel Rail for Minas Q235,55Q

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.

Light Rail  

Light Rail

FAQ

Q1: What is the normal tolerance of High Quality Hot Rolled Light Steel Rail for Minas Q235,55Q?

A1: Normally 3%-5%, but we can also produce the goods according to the customers' requests.

Q2: Can fit in the containers of 20inches the steel beams of 6M?

A2: No proble, we can put them into the containers in the form sideling.

Q3: The products are invoicing on theoritical weight or on actual weight? 

A3: We can do it in both manners, according to the customers' request.

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Q:U71Mn what does "U" mean in the rail?
U is the rail steel number.
Q:How do seamless rails solve thermal stress problems?
In the laying time, according to the laying of long-term local meteorological data, calculate a fit temperature and corresponding stress, during the production of rail, the rail using tensile data properly, the internal rail leaving a stress. In this way, even if the rail is stretched and contracted, it is only offset with the original stress, so as to ensure the expansion of the rail within the controllable range
Q:Why does the train not skid on the rails?
The wheel of a train does not skid. Because the train in the design, it has calculated the adhesion coefficient between wheel and rail was reasonable, the coefficient to ensure the relationship between locomotive power and its weight and traction, but in the actual operation, but also train weight limit, so the wheel slip is generally not sub. At the same time, advanced locomotives now have automatic control systems to prevent skidding, and in the ice and snow season, the locomotive also has sand blasting equipment to prevent the wheels from slipping.
Q:What is the difference between Q235B rail and 55Q rail?
The 55Q material is mainly used for mine rail, while another is more commonly used, such as the use of no special requirements on the selection of Q235, another reason is that the price is also a cheaper one.
Q:The difference between small resistance and constant resistance fastener of high speed rail
The railway line to solve the rail expansion and contraction method is generally used for fastening the way, is the shrapnel into spring fastener fastener (also called spring bar fastener), rail tightly in the sleepers, forcibly will produce thermal expansion and contraction of the energy to digest, but the existence of such a problem is generated when the thermal expansion and contraction energy is greater than the distance unit of sleeper rail adhesion, makes up the phenomenon of rail, rail sleeper unit length twist. In order to solve this problem, the railway department within a certain distance, playing a few holes in the rail waist to release the energy generated by thermal expansion and contraction, and within a certain distance (about 1500m) retaining rail joint, to assist in releasing the energy generated by the thermal expansion and contraction, in order to solve the problem of rail expansion and contraction. First of all, the first point is that the steel of the rail is not made in China, all of them are imported, and the quality of the rail is guaranteed to the maximum extent.
Q:High speed rail runs so many trains a day, what about rail wear?
The track is regularly checked and repaired. These are upstairs, in addition, the EMU because the car is light, but also the whole car power, the rail wear is not large, there is no heavy haul trains. What's more, its curves and downhill slopes have been computed without any large downhill or small radius curves. Secondly, high-speed rail or rail lines or, in addition to rail bottom slope on rail surface will advance and regular grinding, in order to form a point of view, the train is running, but can improve the wheel through smoothly.
Q:What is the welding method of rail butt joint?
When welding, advance the end to be welded two workpiece fixed in the mould, then the aluminum and iron oxide powder mixture (called thermite) is heated in a crucible, the reduction of the exothermic reaction, become liquid metal (iron) and slag (Al2O3), injection mold. The liquid metal flows into the gap of the joint to form the weld metal, and the slag floats on the surface.
Q:High iron seamless rail is how to solve the problem of the thermal contraction account?
The seamless line is divided into a fixed area, expansion area, buffer, the buffer can be reserved for the large number of rail joints for expansion, expansion area adjacent to the buffer, if the buffer rail gap due to seasonal changes is not enough, the rail to replace the different length in the expansion area to adjust the rail gap.
Q:Why can't the blue after rail grinding
Therefore, when the need to control the rail grinding grinding speed, can not produce high temperature, to avoid the phenomenon of blue.
Q:55Q rail performance
Rail is the main component of railway track. Its function is to guide the wheel of the rolling stock, to bear the great pressure of the wheel and to deliver it to the sleeper. The rail must provide a continuous, smooth, and least resistant rolling surface for the wheel. In electrified railway or automatic block section, rail can also be used as track circuit.

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