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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
Railway Insert is a pre-inserted item in the concrete sleepers, no matter for single stem type or twin stem type, used to fix the elastic rail clips, mainly e-clips, within the fastening system.
We are capable of producing two types of rail shoulders for rail clips: cast in shoulder and weld-on shoulder.
Cast in Railway Insert:
Railway Insert is made by casting from iron, and such shoulder is used by being pre-embedded in the concrete sleepers and works with the elastic clip to fasten the rail.
For materials, cast in shoulder includes 3 types: M.C.I. shoulder by malleable iron and S.G.C.I. shoulder by malleable iron and S.G.C.I. shoulder by spheroid graphite iron.
Main Material Technical Parameter of Cast in Railway Insert
Material | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) |
QT400-15(GGG40) | 400 | 250 | 15 |
QT450-10(GGG45) | 450 | 310 | 10 |
QT500-7 (GGG50) | 500 | 320 | 7 |
Material Chemical Composition〔%〕of Cast in Rail Shoulders
Material | C | Si | Mn | P | S |
QT400-15 | 3.6-.36 | 3.0-3.2 | 0.5 | 0.07 | 0.02 |
Qt450-10 | 3.4-3.9 | 3.7-3.0 | 0.5 | 0.07 | 0.03 |
QT500-7 | 3.4-3.8 | 2.5-2.9 | 0.6 | 0.08 | 0.025 |
Other materials available: QT600-3,QT700-2,ZG25,ZG35,ZG45 and so on.
Standard: 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).
Weld-on railway insert:
Weld-on shoulder is made by hot forging, and such shoulder is used for places where standard sleepers are unable to be easily used so the shoulders need to be welded on the flat steel base plates. In this way, it can fabricates the rail retaining units on both the steel ties and base plates, according to AREMA standard always.
Weld-on shoulders can be applied for clips with a range of 30lbs to 113lbs.
Special railway Insert
Such kind of shoulder can be produced by hot forging as well, to be used together with rail clip bolts and special rail clips to fasten the rail, with material of low or mid carbon steels.
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Railway Insert
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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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