Steel Heavy Rail with Multiple Specifications

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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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Product Description:

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.

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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

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Q:Discontinuous rail seamless rail effect
The rail welding seamless rail is 25 meters long up into several hundred meters or even thousands of meters long, and then put on the roadbed, seamless rail gap of 11 mm between each segment. Seamless rail is seamed, will also be affected.
Q:What is the material for railway track
Rail, rail, rail, etc. Used on a railroad and in conjunction with a switch, so that the train can walk without turning. The rails are usually made up of two balanced rails. The rails are fixed on the sleepers and the sleepers are ballast.A railroad track made of steel, capable of carrying greater weight than other materials. Sleepers are also called sleepers, grey pillows, or road sleepers. The function is to distribute the weight of the rails separately, and to keep the rails fixed, and to maintain track gauge.Generally speaking, the bottom of the track is paved with gravel. Ballast, also known as ballast, ballast or ballast, provides flexibility and drainage for the track. You can also shop in the rail base on the concrete (the bridge is quite common), or even embedded in concrete.
Q:How to solve the problem of thermal expansion and cold contraction of railway 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.
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 rail is made of high manganese steel.Manganese iron is very eccentric and interesting: if 2-3% manganese is added into the steel, the resulting low manganese steel is as brittle as glass and cracked at one stroke. However, if manganese is added to >13% to make high manganese steel, it becomes hard and tough.
Q:What are the reasons for the development of rail nuclear injury?
In this paper, the rail coreThe mechanism of injury is analyzed, and the method of controlling the nuclear injury is put forward. It is pointed out that the running speed of the train at the bend has a great influence on the nuclear injury of the rail.
Q:What material is the best for rail?
The main grades of domestic rails are U74, U71Mn, PD2, PD3 and BNbRE, and the strength levels are 800, 900MPa and 1000MPa.
Q:How do the rails of high-speed railways dock?
In fact, thousands of meters of seamless line is a long rail line welded by a number of rails of ordinary length, shipped to the site and welded to a design length of 1km or 2km, or even longer. According to the coefficient of expansion and contraction of the rail, when the temperature increases by 1 DEG C, the rail with 1m length will grow 0.0118mm longer than the original. Thousands of meters of rail expansion, cold contraction length is considerable, winter may cold contraction and fracture, summer may swell and collapse.
Q:What is the method to check the straightness of rail?
The measurement of rail straightness is one of the important parts of length measurement technology. The commonly used methods are straight ruler method, collimation method, gravity method and straight line method.
Q:What is the connection mode of the return cable on the rail?
After the two connection, the tested cable is passed through the current transformer.

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