Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys— 46 стр.
Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials (ISO 11114-1:2012 + Amd.1:2017); German version EN ISO 11114-1:2012 + A1:2017— 61 стр.