NA 012

DIN Standards Committee Chemical Apparatus Engineering

DIN EN 286-3 [CURRENT] references following documents:

Document number Edition Title
EN 288-3 1992-02 Specification and approval of welding procedures for metallic materials; part 3: welding procedure tests for the arc welding of steels More 
ISO 7-1 1994-05 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation More