Observations on finishing temperatures and properties of rails.

Abstract

Introduction 3 2. Importance of limiting temperatures of rolling rails 5 3. Methods of measuring rail temperatures 6 4. Wickhorst's experiments n 5. Measurements of ingot and finishing temperatures 13 6. Samples and chemical analyses of rail steels 25 7. Mechanical properties of rails 28 8. Melting temperatures of rail steels 30 9. Critical ranges of rail steels 31 10. Observations on microstructure 34 11. Temperature distribution in a cooling rail 45 12. Expansion of rail steels 48 13. " Shrinkage clause" in rail specifications 56 14. Summary and conclusions 60