Heavy Steel with High Quality for Structure Prefabricated House

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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 Heavy Steel with High Quality for Structure Prefabricated House: 

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   

Ms Steel Rail

Usages of Heavy Steel with High Quality for Structure Prefabricated House:

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 Heavy Steel with High Quality for Structure Prefabricated House:

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 Heavy Steel with High Quality for Structure Prefabricated House:

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: What makes stainless steel stainless?

A1: 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.

Q2: Can stainless steel rust?

A2: 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.

Q3: Why buy Materials & Equipment from OKorder.com?

A3: 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.

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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:Why should there be a gap between the two railway tracks?
Although this can solve the problem of thermal expansion and contraction, but the "click, click" sound tracks left on some small joints to make trains passing. Unless the track is well maintained, the jointed track is not suitable for the high speed train; passengers may feel the traffic is unstable. Many railway developed countries still use this rail connection at low speed, non critical routes or side lines. Fish plates are also common in the absence of modern investment routes. Most of the routes in the United States belong to this category, and most of them still use wooden sleepers (sleepers). In addition, part of the reason is that the speed of American Railways is not high, and the prices of wood are also low.
Q:Several questions about high speed rail and subgrade.
You said in front of the concrete board has already said is the track board, the following "cushion" should refer to the CA mortar filling layer, that is, cement, asphalt, mortar layer. The main function is to support the track plate, to buffer the load and shock absorption of the high speed train. The main materials are: cement, emulsified asphalt, fine aggregate, water and a variety of additives. The edge breakage has no direct effect on its performance, but in the long run there must be some adverse effects, especially the ageing resistance.
Q:What's the gauge for the high speed rail?
At present, although most countries use 1435 mm wide gauge, there are still more than 30 different gauges. From narrow to wide, 610 mm, 762 mm, 891 mm, 1000 mm, 1067 mm, 1372 mm, 2141 mm, 1435 mm, 1524 mm, 1880 mm, mm mm, etc..
Q:Why should there be a gap between the rails?
After laying the rails, the wood seems to swell and the rails will jump up.To prevent the heat from rising and cold contraction, the two rails have strong pressure on each other, thus damaging the rail. So there must be a gap between the rails.
Q:Contact surface between train wheel and rail
Because the wheels of the train all have rims, you can go and have a look at it, that is, a part of the inside of the wheel. The main function of this wheel flange is to guide and prevent derailment. The rim has a very complex profile. The standard requirement is that if the flange of a car is too worn out, it is prone to derailment. The machined flange must be machined to the standard contour.
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:Why are the rails made of I-beam?
H section steel is a kind of economical and economical surface profile (other cold bending thin wall steel, pressed steel plate, etc.). Because of the reasonable cross-section shape, they can make steel more effective and improve the bearing capacity. Unlike ordinary I-beam, the flange of H steel is widened, and the inner and outer surfaces are usually parallel so that it is easy to connect with high strength bolts and other components. The size of the series is reasonable, the model is complete, easy to design and use.
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.
Q:What is heavy rail? What is light rail?
The rail is divided into two kinds of heavy rail and light rail, and the rail specification is expressed by the nominal weight per meter. 3, heavy rail: nominal weight of more than 30 kg per meter rail, belong to heavy rail, heavy rail is divided into general rail and crane rail two.

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