TB/T 3212.2-2009
Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 2: Grades C cast steel (English Version)
- Standard No.
- TB/T 3212.2-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Railway
- Status
- 2019-01
- Replace By
- TB/T 2942.2-2018
- Latest
- TB/T 2942.2-2018
- Replace
- TB/T 3012-2006
- Scope
- This part of TB/T 3212 specifies the technical requirements, inspection methods, inspection rules, metallographic structure and rating diagrams for the metallographic structure inspection of grade C cast steel (ZG25MnCrNiMo). This section is applicable to the inspection of the metallographic structure of C-grade cast steel (ZG25MnCrNiMo) that has undergone normalizing + tempering heat treatment.
TB/T 3212.2-2009 Referenced Document
- TB/T 3212.1-2009 Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 1:Grades B and B+ cast steel
TB/T 3212.2-2009 history
- 2018 TB/T 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart
- 2009 TB/T 3212.1-2009 Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 1:Grades B and B+ cast steel
- 2006 TB/T 3012-2006 Specification of cast steel bolster and side frame for railway freight car
- 2001 TB/T 3012-2001 Specifications for procurement and acceptance of cast steel bolsters and side frames for railway freight cars
TB/T 3212.2-2009 Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 2: Grades C cast steel has been changed from TB/T 3012-2006 Specification of cast steel bolster and side frame for railway freight car.
TB/T 3212.2-2009 Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 2: Grades C cast steel was changed to TB/T 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart.
