Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard

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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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Product Description:

Specifications of Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard

Sizes: 38kg, 43kg, 45kg, 50kg, 60kg

Production Standard: GB2585-81, AREMA, DIN, JIS, EN, etc.

Length: 6M-25M as the requriement of the client  

Material: 50Mn, U71Mn, 900A, R260, etc.

Grade

Element(%)

C

 

Mn

S

 

P

 

Si

 

 

U71Mn

 

 

0.65—0.76

 

1.10—1.40

 

≤0.030

 

≤0.035

 

 

0.15-0.35

 

 

Heavy Rail

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.

Applications of Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard

Heavy rail is suitable for the laying of main trunk line of the curves and the orbit of the tunnel can also be used for tower crane and other crane track. Be used for railway, subway, curve way, tunnel way, etc.

Heavy Rail

Packaging & Delivery of Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard

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

Heavy Rail   

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.

Heavy Rail

5. Delivered by container or bulk vessel

Heavy Rail

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 Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard

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.

Heavy RailHeavy Rail

FAQ:

Q1: Why buy Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard 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 Hot Rolled Mild Heavy Steel Rials for Minas GB, AREMA, DIN Standard?

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: What is the normal tolerance of Hot Rolled Mild Steel Angle Beams for Structures and for Buildings?

A3: Normally 3%-5%, but we can also produce the goods according to the customers' request

 







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Q:What are rail insulated joints used for?
Block section. The rail signal is transmitted from the rail through the micro current. In some parts of the station, no current is allowed to pass, so the fittings are made of insulation
Q:What is the connection of the rail joint?
The joint connection parts include plywood, bolts and spring washers. Plywood. Commonly known as fish plate, with the same steel rail made of material. The utility model is mostly double headed, and the upper and the lower sides are inclined planes and are wedged with the bottom surface of the rail head and the top surface of the bottom. Bolts. A fastener that clamps a rail with the pressure of a nut against a splint. In order to prevent the nut from tightening and loosening due to the vibration of the train, a spring washer is required. Bolts are usually made of high carbon steel and should not be too large in diameter to avoid excessive damage to the strength of rails and cleats. Some countries also add a nylon sleeve around the bolts to reduce vibration and prevent the loosening of the nut. Rail joint is the weak link of track. In order to reduce rail joint, the standard length rail can be welded into long rail of certain length.
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:Why should there be a gap between the rails?
Because the rail will be affected by the environment, thermal expansion, cold contraction, if there is no gap, then the rail heating expansion, will track extrusion deformation.Solving the problem of thermal expansion and cold contraction of track is one of the main aspects. Secondly, it is convenient for laying and maintenance.
Q:Why is the thermit reaction welded to rails instead of welded rails?
Steel contains other added elements, while the thermit reaction produces only iron.
Q:What is the welding method of rail butt joint?
Thermit welding is a method of welding with heat of chemical reaction as heat source.
Q:Why is there a gap between each rail on the railway?
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.
Q:The rail line orbit must use different types of profiled rail connection
Rail section size adopted by railway track is different. Our country now uses four types of 75kg/m, 60kg/m, 50kg/m, 43kg/m and two types of 45kg/m and 38kg/m that have been eliminated.
Q:What is the rail dispersion?
The concrete way is to make all the rail fasteners loose, and use the drum to pad the rail and hit the rail with a rail collision device. When the rail reaches the designed rail temperature, the fastener is quickly tightened and the line is locked. When the rail temperature is lower than the designed rail temperature, the rail pulling device can be used to draw the rail and tighten the fastener.
Q:What are the main functions of nondestructive inspection of rail defects?
Even endanger personal safety. Using nondestructive testing, RT, MT, PT and other conventional testing methods, it is easy to find defects that are difficult to observe by the naked eye. Prevent accidents and ensure quality.

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