TB/T 1779-1993
Technical conditions for quenching of turnout rail parts (English Version)
- Standard No.
- TB/T 1779-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Railway
- Status
- 2021-07
- Replace By
- TB/T 2344.2-2020
- Latest
- TB/T 2344.2-2020
- Replace
- TB 1779-1986
TB/T 1779-1993 history
- 2020 TB/T 2344.2-2020 Rails Part 2: Asymmetrical Section Rails for Switches
- 1993 TB/T 1779-1993 Technical conditions for quenching of turnout rail parts
- 0000 TB 1779-1986
TB/T 1779-1993 Technical conditions for quenching of turnout rail parts was changed to TB/T 2344.2-2020 Rails Part 2: Asymmetrical Section Rails for Switches.
