Steel Heavy Rail 50MN, U71MN, 900A, 110A

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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 50MN, U71MN, 900A, 110A: 

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

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

Material: 50MN, U71MN, 900A, 110A, etc.

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

Usages of Steel Heavy Rail 50MN, U71MN, 900A, 110A:

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 50MN, U71MN, 900A, 110A:

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 50MN, U71MN, 900A, 110A:

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.

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered by OKorder.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: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q3: Can stainless steel rust?

A3: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

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Q:Scrap rail has what use, what enterprise demand on rail?
The use of the old rail companies generally require coal mine tunnel laying railway enterprise, and gantry crane, crane installation, also need to track than with new rail can save much cost, use effect can be said to be the same. The waste rail can only be used as heavy steel scrap into the steel enterprise.
Q:What is a rail pile?
Rail pile: through the large air compressor air supply to the impactor, the use of YG-80 engineering drilling machine drive special drilling hammer, impact hole. Then enter the rail, and then pour the cement mortar from bottom to top. After solidification, the rail becomes a pile body, and the pile is mainly supported by the rail to bear the bending moment.Scope: suitable for highway, municipal, railway, housing construction and other soft foundation and all kinds of landslide reinforcement.
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:Name the basic structure and function of the rail
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.In addition, in order to meet the requirements of switches, super large bridges and jointless track structures, special rail sections (with asymmetrical central axis) are adopted in our railways. Now we use more special short section rail, referred to as AT rail.
Q:Why is the railroad track free of expansion joints now?
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 in order to solve the thermal expansion and contraction by slot number is not enough, now there are two methods of thermal expansion and contraction
Q:What is the difference between Q235B rail and 55Q rail?
The two kinds of material rail is mainly carbon content difference, and the other is brittleness, toughness, tensile strength, impact strength are not the same
Q:The rails of the high iron welded together as a whole
Seamless welding technology, can make between two rails almost can not see the welding point, natural transition, in the high-speed rail, "bang" sound will become history.
Q:Will seamless rail expand and shrink?
Seamless rail fastening requirements are higher, the rail must be fixed, in the thermal expansion and contraction of the stress will not twist or break, which rail material also has a high demand.
Q:What is the function of a railway joint connection part?
The intermediate connecting parts, also called fasteners, have different combinations according to the different types of sleepers used. The wooden, including ordinary spike and iron plate. The advantage of this kind of fastener is less parts, easy installation, but little effort. In order to improve the performance of wooden, many countries use screw spike or spring instead of ordinary spike spike, or use a variety of different types of fastener on the concrete sleeper has been effective. The concrete sleeper fastening, including anchor bolts, iron plate, fastening piece and an elastic cushion (a) anchor bolt. For fastening fastening parts by anchoring various methods. The use of China on the railway is a sulfur anchor mix of sulphur, sand, cement and wax mixture is melted into colloid, injected into the reserved hole in the sleeper, as the fixed anchor bolt medium, pulling resistance, durability and insulation performance are very good. (b) iron backing plate. The utility model can disperse the vertical pressure of the rail, and after adding the shoulder, the transverse force transmitted by the rail can be partly taken, but because the compressive strength of the concrete sleeper is very large, the utility model can not be arranged in general. (c) fastening parts. There are two types of rigidity and elasticity. Rigid fastening parts mainly for buckle type; elastic fastening parts are spring and bar use plate elastic strip type two. (d) elastic cushion. When the train passes, the utility model can buffer and reduce vibration, and can improve the insulation performance of the concrete sleeper. Rubber backing plate, plastic backing plate, cork rubber backing plate and wood backing plate etc., and rubber backing plate is the best.
Q:What are the three types of rail damage?
Rail damage has always been a key problem in railway transportation. The main damage types are rail crush, side wear, corrugation and delamination, accounting for more than 80% of the rail damage.

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