1 Scope
This document specifies the minimum requirements concerning material selection, design,
construction and workmanship, procedure, and test at manufacture of refillable welded-steel
gas cylinders of water capacities from 0,5 l up to and including 150 l and drums of
water capacities of 150 l to 500 l of a test pressure not greater than 60 bar1, exposed to extreme worldwide temperatures (−50 °C to +65 °C) used for compressed,
liquefied or dissolved gases.
NOTE Unless specified in the text, for the purpose of this document, the word “cylinder”
includes “pressure drums”.
This document is primarily intended to be used for industrial gases other than liquefied
petroleum gas (LPG), and is also applicable to LPG.