TB/T 2344.2-2020
Rails Part 2: Asymmetrical Section Rails for Switches (English Version)
- Standard No.
- TB/T 2344.2-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- 国家铁路局
- Latest
- TB/T 2344.2-2020
- Replace
- TB/T 3109-2013 TB/T 1779-1993
TB/T 2344.2-2020 history
- 2020 TB/T 2344.2-2020 Rails Part 2: Asymmetrical Section Rails for Switches
- 2013 TB/T 3109-2013 Switch and crossing rails
- 2005 TB/T 3109-2005 AT rails
- 1993 TB/T 1779-1993 Technical conditions for quenching of turnout rail parts
- 0000 TB 1779-1986
TB/T 2344.2-2020 Rails Part 2: Asymmetrical Section Rails for Switches has been changed from TB/T 3109-2013 Switch and crossing rails.
TB/T 2344.2-2020 Rails Part 2: Asymmetrical Section Rails for Switches has been changed from TB/T 1779-1993 Technical conditions for quenching of turnout rail parts.
