DIN Standards Committee Petroleum and Natural Gas Industries
ISO 9606-4
Approval testing of welders - Fusion welding - Part 4: Nickel and nickel alloys
Prüfung von Schweißern - Schmelzschweißen - Teil 4: Nickel und Nickellegierungen (ISO 9606-4:1999)
Responsible national committee
NA 092-00-02 AA - Qualification requirements for welding and allied processes personnel (DVS AG Q 5)
Responsible international committee
ISO/TC 44/SC 11 - Qualification requirements for welding and allied processes personnel