Welding and allied processes -- Types of joint preparation -- Part 1: Manual metal arc welding, gas-shielded metal arc welding, gas welding, TIG welding and beam welding of steels— 20 стр.
BS EN 253. District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made pipe assembly of steel service pipe, polyurethane thermal insulation and a casing of polyethylene— 47 стр.
BS EN 448. District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene— 35 стр.
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene— 32 стр.
Specification and qualification of welding procedures for metallic materials. Welding procedure test. Arc and gas welding of steels and arc welding of nickel and nickel alloys— 50 стр.
Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 8: Welding of tubes to tube-plate joints (ISO 15614-8:2016)