This document specifies stamp marking of transportable gas cylinders of volumes greater than 0,12 l and up to or equal to 150 l and tubes of volumes up to or equal to 3 000 l, including:

- steel and aluminium-alloy gas cylinders;

- composite gas cylinders;

- acetylene cylinders;

- liquefied petroleum gas (LPG) cylinders (see Annex A); and

- small cylinders (see Annex B).

Unless noted by exception, the use of "cylinder" in this document refers to the above types of cylinders.

Non-refillable cylinders are addressed by this standard.