TB/T 2451-1993
Metallographic examination of non-metallic inclusions in cast steel (English Version)

Standard No.

TB/T 2451-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

Professional Standard - Railway

Status

Be replaced 2020-07

Replace By

TB/T 2942.1-2020

Latest

TB/T 2942.1-2020

Scope

This standard specifies the technical requirements, inspection items, rating charts, inspection methods and inspection rules for metallographic inspection of non-metallic inclusions in cast steel. This standard applies to the metallographic examination of non-metallic inclusions in cast carbon steel for general engineering use.

TB/T 2451-1993 history

• 2020 TB/T 2942.1-2020 Steel castings for rolling stock Part 1: Technical requirements and inspection
• 1993 TB/T 2451-1993 Metallographic examination of non-metallic inclusions in cast steel

TB/T 2451-1993 Metallographic examination of non-metallic inclusions in cast steel was changed to TB/T 2942.1-2020 Steel castings for rolling stock Part 1: Technical requirements and inspection.