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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 rail shoulder, both used for the fixing of elastic rail clips.
| Reference Data Sheet | |||
|---|---|---|---|
| Standard | GB 1348-88 | GB 1348-88 | GB 1348-89 |
| Chemical Composition (%) | C:3.60-3.80 | Si:2.50-2.90 | C:3.40-3.90 | Si:2.70-3.00 | C:3.50-3.60 | Si:3.0-3.2 |
| Tensile Strength | ≥500 Mpa | ≥450 Mpa | >400 Mpa |
| Hardness | 170~230HB | 160~210HB | 130~180HB |
| Metallographic | Ferrite + Pearlite | Graphite + Ferrite + Pearlite | Ferrite |
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XOVEC Orthopedic Implants