This standard specifies the requirements relating to:
Heat resisting alloy CO-WH4001 (CoCr29W9)
Filler metal for welding
Wire and rod
for aerospace applications.
BS EN 4339:2001 history
2001BS EN 4339:2001 Aerospace series - Heat resisting alloy CO-WH4001 (CoCr29W9) - Filler metal for welding - Wire and rod