Standardization and Certification © TÜV Hessen Upgrading the gas infrastructure Material testing as a guarantee of safety 01/30/2025 - For hydrogen to be able to be used as an important part of the energy transition comprehensively in industry, mobility and energy supply in Germany, new lines must be built and existing natural gas pipelines must also be upgraded for hydrogen transport. This can be challenging, as hydrogen is explosive and attacks the materials of the pipes. Professional material testing creates the necessary security regarding this.