TB/T 2942.2-2018
Steel castings for rolling stock Part 2: Metallographic examination chart (English Version)

Standard No.

TB/T 2942.2-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

国家铁路局

Latest

TB/T 2942.2-2018

Replace

TB/T 2450-1993 TB/T 3212.1-2009 TB/T 3212.2-2009 TB/T 3212.3-2009

TB/T 2942.2-2018 history

• 2018 TB/T 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart
• 2009 TB/T 3212.3-2009 Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 3: Grades E 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
• 1993 TB/T 2450-1993 Metallographic inspection of ZG230-450 cast steel

TB/T 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart has been changed from TB/T 2450-1993 Metallographic inspection of ZG230-450 cast steel.

TB/T 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart has been changed from 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 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart has been changed from 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 .

TB/T 2942.2-2018 Steel castings for rolling stock Part 2: Metallographic examination chart has been changed from TB/T 3212.3-2009 Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock Part 3: Grades E cast steel .