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 kind of welding rod should be used for rail and Q235A welding?
MG600 welding rod can be used for rail and Q235A welding.
Q:Generally, how often do rail rails change?
This depends on the line conditions, such as the Daqin Line Heavy Haul lines, because each year the volume can reach 7 tons, generally less than a year to track, on the small radius curve rail replacement cycle is shorter, for many reasons, such as serious abrasion, stripping off block etc..
Q:What kind of steel should be used for railway rails?
At present, foreign timber rail basically is pearlite steel, while the rail strength can be increased by alloying and heat treatment technology, but is close to the limit, cannot be solved in improving the strength while maintaining good toughness from the root of the problem, more unable to meet the requirements of high speed and heavy haul railway on rail and rail turnout is higher and the technology. Bainitic steel is the invention patent of Professor Fang Hongsheng of Tsinghua University. In 2005, it was coordinated by Baotou science and Technology Bureau to promote cooperation between Baotou Steel and Tsinghua University. It was listed as a key research cooperation project in Baotou. The bainitic rail solves the technical problems of strength, toughness, plasticity and processability simultaneously meeting the requirements. The operation test of Shenyang Bureau, Shijiazhuang Taiyuan line, Beijing Baotou line, Daqin Railway Line in recent years proved that the bainite rail turnout rail turnout than the strength can be increased more than 2 times, the toughness can be increased more than 4 times, life can be increased more than 3 times. In October last year, the Ministry of Railways organized the "railway heavy rail bifurcated rail structure and material optimization research" bidding project, Baotou Steel won the bid at an absolute advantage. The next step is to generalize to curve rail, combined turnout rail and other varieties, and the economic and social benefits will be more remarkable.
Q:What is the upsetting amount of rail?
Top forging is a very important link in the welding process of rails. The link is to increase the feeding force, so that rail rapid delivery, so as to achieve the elimination of debris, eliminate defects, forming a good welding process.
Q:What is the main material of high speed rail?
High manganese steel is one of the main anti-wear materials, and its wear-resistant parts are widely used in metallurgy, mining, power, building materials, railways, coal mines, military industry, energy and other fields.
Q:What is the difference between the rail lead line and the rail connection line?
When different types of rail connection section need, because the rail section size is different, need a fishtail splint or rail to rail, or called fish shaped tail splint splint or the connection of different section type profiled rail rail.
Q:The previous track is seamed, there is no gap, is how to achieve
Seamless rail not thousands of kilometers without gaps, but the 25 meter long rail welding up into hundreds of metres long or even thousands of meters long, and then in the shop on the embankment, or the gap between 11 mm and a section of a seamless rail, now Shanghai Nanjing line is 303 km long ultra long seamless rail. Seamless rail to solve the thermal expansion and contraction by slot number is not enough, now solve the thermal expansion and contraction in two ways: one is the long rail itself under all temperature stress, will be locked in the long rail sleepers, which is due to temperature change and contraction, this method is suitable for throughout the year the temperature is almost the same as in the southern region, Chinese. In some temperature difference regions should take another approach, namely the long rail itself does not bear the temperature stress, and stress or regular bleeding stress to automatic bleeding, make the long rail with temperature rise and free shrinkage, at the time of laying also try to choose the best temperature of laying the rail expansion value in the minimum range, so that regardless of temperature rising or falling, the rail expansion always control in the smallest range.
Q:Structural classification of rails
These types of rail, rail 38kg/m has stopped production, 60kg/m, 50kg/m rail on the main line and the dedicated line laying, laying rail general 43kg/m. For heavy haul railways and specially busy sections of railways, the 75kg/m rail is laid.
Q:What is called orbital angle?
It is a major component of a 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.
Q:What is heavy rail? What is light rail?
General rail means rail laying, dedicated lines, bend and tunnel rails. Among them, the standard track length is 12.50 meters and 25 meters in two, the laying of the curve rail, slightly shorter length, 12.46 meters, 12.42 meters and 24.96 meters, 24.92 meters and other rail, general specification for 38, 43, 45, 50, 60 (kg / m).

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