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The effect of pressurized hydrogen on pipeline walls is an important phenomenon that can cause damage to the integrity of the pipeline structure during transport and storage of gases. Hydrogen can penetrate the wall of metallic pipelines (alloy steel or carbon steel) and cause cracking or rupture of the material, which can lead to pressure loss or even serious effects (explosions, fires). The embrittlement of the metal by hydrogen is a phenomenon of degradation of the mechanical properties of the metal, as a resul...

Risks are present in all economic and industrial activities that manifest themselves both through economic losses, malfunctions of installations and equipment, as well as the occurrence of minor or major accidents with particularly serious consequences resulting in deaths and injuries, pollution of the environment. The assessment of risk levels stimulates the co-interest of economic operators to improve their working and environmental conditions, respectively to take measures to move from high risk levels to lower...