Resistance welding - Vickers hardness testing (low-force and microhardness) of resistance spot, projection, and seam welds (ISO 14271:2017); German version EN ISO 14271:2017— 14 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
