Non-destructive testing of welds - Time-of-flight diffraction technique (TOFD) - Acceptance levels (ISO/DIS 15626:2017); German and English version prEN ISO 15626:2017— 19 стр.
25.160.40 Welded. Including welding position and mechanical and non-destructive testing of welded joints / Сварочные швы. Включая положение шва и механические и неразрушающие испытания сварных соединений
