ISO 9606-4 : 1999(R2016)现行
APPROVAL TESTING OF WELDERS - FUSION WELDING - PART 4: NICKEL AND NICKEL ALLOYS
出版：International Organization for Standardization
专家解读视频
Defines essential requirements, ranges of approval, test conditions, acceptance requirements and certification for the approval testing of welder performance for the welding of nickel.
SS-EN ISO 9606-4 : 2000 - Identical
SAC GB/T 32257 : 2015 - Identical
DS EN ISO 9606-4 : 2005 - Identical
PN EN ISO 9606-4 : 2001 - Identical
IS 7310 : Part 4 : 2019 - Identical
