Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 14: Laser-arc hybrid welding of steels, nickel and nickel alloys (ISO 15614-14:2013); German version EN ISO 15614-14:2013— 34 стр.
LPG equipment and accessories - Static welded steel cylindrical pressure vessels, serially produced for the storage of Liquefied Petroleum Gas (LPG) having a volume not greater than 13 m³ - Design and manufacture
Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys (EN 13445-8:2014-09, Issue 3:2016-07)