Specifies the basic requirements for steel cylinders of 5 kg to 160 kg water capacity intended for the storage and transport of acetylene. Also specifies requirements for the porous filler, the solvent and the cylinder marking. Revisions to the 1982 edition include deletion of Annexes 1 and 2 (as they refer to obsolete Standards), together with the introduction of seamless-steel cylinders as suitable shells for acetylene gas use.