NA 012

DIN Standards Committee Chemical Apparatus Engineering

DIN EN 13445-4 [Withdrawn] references following documents:

Document number Edition Title
EN ISO 15613 2004-06 Specification and qualification of welding procedure for metallic materials - Qualification based on pre-production welding test (ISO 15613:2004) More 
EN 1011-2 2001-01 Welding - Recommendations for welding of metallic materials - Part 2: Arc welding of ferritic steels More