The present standard specifies the particular requirements for steel forpinps produced from forpinp stock complyinfl with EN 2157-2.This standard shall be used in conjunction with EN 2157-1.This standard also applies to pre-production forpinps intended for the qualification of the method of manufacture and inspection.
EN 2157-3:1993 history
1993EN 2157-3:1993 Aerospace series; steel; forging stock and forgings; technical specification; part 3: pre-production and production forgings