Table 1.
Geometric parameters and elongation coefficients for the successive stages of the rolling process.
| Stage | Rail Head | Worn Rail Head | Preform | Rod |
|---|---|---|---|---|
| Cross-sectional area S, mm2 |
3050 | 2800 | 2400 | 1635 |
| Elongation coefficient λ = S0/S1 |
- | - | 1.16 | 1.45 |
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