C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22C
ALLOYS
C22C
ALLOYS
38/00
Ferrous alloys, e.g. steel alloys
38/00
Ferrous alloys, e.g. steel alloys
C22C38/18
containing chromium
C22C38/18
containing chromium
C22C38/40
with nickel
C22C38/40
with nickel
C22C38/48
with niobium or tantalum
C22C38/48
with niobium or tantalum