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