Serving three critical functions:
Additionally, in electrified railways or automatic block signaling systems, rails also act as electrical track circuits, enabling train detection and signal control. This dual role underscores their importance in both mechanical performance and advanced railway signaling infrastructure.
| Type | Specification (mm) | Weight (kg/m) | Information | |||
|---|---|---|---|---|---|---|
| Height | Bottom Width | Head Width | Web Thickness | |||
| QU70 | 120 | 120 | 70 | 28 | 52.8 | Crane steel rail Material: U71Mn |
| QU80 | 130 | 130 | 80 | 32 | 63.69 | |
| QU100 | 150 | 150 | 100 | 38 | 88.96 | |
| QU120 | 170 | 170 | 120 | 44 | 118.1 | |
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