Only if you don't use suitable materials: > Steel with an ultimate tensile strength of less than 1000 MPa (~145,000 psi) or hardness of less than HRC 32 on the

Only if you don't use suitable materials: > Steel with an ultimate tensile strength of less than 1000 MPa (~145,000 psi) or hardness of less than HRC 32 on the Hardness Rockwell Scale is not generally considered susceptible to hydrogen embrittlement. https://en.wikipedia.org/wiki/Hydrogen_embrittlement https://en.wikipedia.org/wiki/Hydrogen_embrittlement Gas storage facilities also generally use geological structures which are not susceptible to hydrogen embrittlement either: https://en.wikipedia.org/wiki/Natural_gas_storage#Types https://en.wikipedia.org/wiki/Natural_gas_storage#Types