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ProductsAt present, the company has the ability to produce 50000 tons of rail buckle accessories annually. The product series includes various specifications of spring bars Gauge baffles, switch special pads, joint clamps for 43kg, 50kg, 60kg steel rails, various export products, etc
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AboutThe company was established in 1994 and is a production enterprise specializing in the research and development, production, and sales of railway line specific accessories
As a leading manufacturer and supplier of rail fasteners, Xinda rail are able to supply different types of shoulders satisfying clients' needs.
Rail shoulder is semi-embedded into the sleeper to fasten the clip of the base plate. Rail shoulder also protects the clip from being stolen. Rail shoulder mainly has two types: rail cast iron shoulder and weld-on shoulder. Both two kinds of rail shoulders can be used for the fixation of elastic rail clips.
rail cast iron shoulder
As it is named, rail cast iron shoulder is made by casting from iron and compressed in concrete sleepers. And its available material is GB/T 1348-1988, NF EN 1563(1997), ISO1038, DIN 1693, JIS G5502 (2001), KS D 4302, GOST 7293(1985) or BS EN 1563(1997).
Product | Rail shoulder | ||
Application | UIC54 | UIC60 | 115RE, ,50kg rail, 60kg rail,BS80lbs, BS100lbs, ect. |
Material | |||
Name | QT500-7 | QT450-10 | QT400-15 |
Standard | GB 1348-88 | GB 1348-88 | GB 1348-89 |
Chemical composition(%) | C:3.60-3.80 | C:3.40-3.90 | C:3.50-3.60 |
C:3.60-3.80 | Mn:0.2-0.5 | Mn:≤0.5 | |
Si:2.50-2.90 | Si:2.70-3.00 | Si:3.0-3.2 | |
P:≤0.08 | P:≤0.07 | P:≤0.07 | |
S:≤0.025 | S:≤0.03 | S:≤0.02 | |
Tensile Strength | ≥500 Mpa | ≥450 Mpa | ≥400 Mpa |
Yield Strength | ≥320 Mpa | ≥310 Mpa | ≥250 Mpa |
Elongation(%) | ≥7 | ≥10 | ≥15 |
Hardness | 170~230HB | 160~210HB | 130~180HB |
Metallographic organization | ferrite + pearlite | graphite + ferrite + pearlite | ferrite |
Surface | plain (oiled) |
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Weld-on shoulder
The weld-on rail shoulders are applied at the typical position of rail track where the rail shoulders are weld on flat steel plate rather than the standard tie plate. As its name, the weld-on rail shoulders are produced by hot forging, according to AREMA standard. In general, the materials for weld-on rail shoulders production should be low or mid carbon steel, just according to the clients’ requirements.
Notes for rail shoulders
- The weld on rail shoulder fastening makes the fabrication of rail retaining units on both steel sleepers and steel base plates possible when the E style of elastic rail clips are used for the fasting of the rail.
- Even though the rail cast in shoulders are usually embedded in the concrete rail sleepers, they can also be welded on to longer length steel sleeper sections or bearers for use in the fabrication of switch and crossing layouts where vertical rail geometry is employed.
- The welding ability of rail shoulders in particular position which is dictated by layout design makes rail shoulders much useful and cost effective.
- Rail shoulder accessories used for specific rail sections should be adopted according to design criteria in order to achieve the correct elastic clip toe loading. And certain rail shoulders with milled weld area faces are provided to achieve a better weld integrity.
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Rail Shoulder
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Henan Xinda Railway Equipment Co., Ltd
Fax: +86-372-2615999
Tel: +86-18567891234
Email:info@xindarail.com
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