CB/T 1209-1992
Metallographic examination of OCr17Ni4Cu4Nb (17-4PH) martensitic precipitation hardening stainless steel (English Version)

Standard No.

CB/T 1209-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

Professional Standard-Ships

Latest

CB/T 1209-1992

Scope

This standard specifies the basic requirements for metallographic examination of OCr17Ni4Cu4Nb martensitic precipitation hardening stainless steel, metallographic structure examination, assessment methods and assessment charts. This standard is applicable to the inspection of the microstructural state, grain size grade, and 8-ferrite content of OCr17Ni4Cu4Nb martensitic precipitation hardened stainless steel.

CB/T 1209-1992 history

• 1992 CB/T 1209-1992 Metallographic examination of OCr17Ni4Cu4Nb (17-4PH) martensitic precipitation hardening stainless steel