This draft is now available for public comment and your views and t e c h n I c a l
comments on it would be a p p r e c I a t e d . I f you have no s p e c I f I c comments t o make
but f I n d it g e n e r a l l y a c c e p t a b l e it would be h e l p f u l I f you would n o t I f y US
a c c o r d I n g l y . Suggestions e n t a I l I n g r e v I s I o n of the t e x t should I n d i c a t e the
p r e f e r r e d wording.
AECMA PREN 2161-1994 history
1999AECMA PREN 2161-1999 Aerospace Series Heat Resisting Alloy CO-CH1401 (CoCr26i11W) Not Heat Treated Precision Casting Edition P1
1994AECMA PREN 2161-1994 Aerospace Series Heat Resisting Alloy CO-CH1401 as Cast Precision Castings Issue EN
1978AECMA PREN 2161-1978 Heat Resisting Cobalt Base Alloy CO-C91-HT as Cast Precision Castings Aerospace Series Edition 1