Material Description.

This standard applies to all metallic materials exposed to direct contact with high pressure gaseous hydrogen (H₂) especially in fuel cell powered vehicles. This standard describes engineering measures and materials specifications to avoid hydrogen-induced brittle fracture and defines suitable materials.

Note: Nothing in this standard supersedes applicable laws and regulations.

Symbols.

Not applicable.

Applicability.

This standard applies to all metallic materials exposed to direct contact with high pressure gaseous hydrogen (H₂). Typical automotive applications are Fuel Cell Vehicles.