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Horaizon Orthopedic Implants
Horaizon Orthopedic Implants
Rail shoulder is cast in the concrete rail ties to fix the elastic rail clips. There are two types of rail shoulders available, the cast-in shoulder and the weld-on shoulder, both of which are used for the fixing of elastic rail clips.
The casting shoulders as the embedded part of the rail way fastening system are pressed in concrete sleeper and work together with the E clip to fasten the rail. The cast in shoulder is made by casting from iron, following standards such as 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).
| Application | UIC54 | UIC60 | 115RE, 50kg, 60kg, BS80lbs, BS100lbs |
|---|---|---|---|
| Name | QT500-7 | QT450-10 | QT400-15 |
| Standard | GB 1348-88 | GB 1348-88 | GB 1348-89 |
| Hardness | 170~230HB | 160~210HB | 130~180HB |
The Rail shoulder is a semi-embedded part cast in the concrete rail ties to fix the elastic rail clip to the base plate. Common types include Cast-in Shoulder and Weld-on Shoulder. Single Stem Iron Shoulders are used in pre-stressed concrete ties, while Twin Stem Iron Shoulders are used in Bi-Block or Twin Block concrete ties.
Cast-in Rail Shoulder Mechanical Property:| 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 |
Used at typical positions where the shoulder is welded on flat steel plates rather than standard tie plates. Produced via hot forging according to AREA standards using low or medium carbon steel. These are cost-effective for switch and crossing layouts where specific layout designs are required.
