GJB 9657-2019
Specification for high carbon chromium bearing steel GCr15 for aircraft engines (English Version)

Standard No.

GJB 9657-2019

Language

Chinese, Available in English version

Release Date

2019

Published By

Military Standard of the People's Republic of China-General Armament Department

Latest

GJB 9657-2019

GJB 9657-2019 history

• 2019 GJB 9657-2019 Specification for high carbon chromium bearing steel GCr15 for aircraft engines