2020TB/T 2942.1-2020 Steel castings for rolling stock Part 1: Technical requirements and inspection
2015TB/T 2942-2015 General technical specifications of steel castings for rolling stock
1999TB/T 2942-1999 Technical conditions for procurement and acceptance of steel castings for railways
0000 TB/T 2594-1996
1993TB/T 2451-1993 Metallographic examination of non-metallic inclusions in cast steel
0000 TB/T 2246-1991
TB/T 2942.1-2020 Steel castings for rolling stock Part 1: Technical requirements and inspection has been changed from TB/T 2451-1993 Metallographic examination of non-metallic inclusions in cast steel.