AS 2030.4-1985
The verification, filling, inspection, testing and maintenance of cylinders for the storage and transport of compressed gases - Welded cylinders - Insulated
Specifies requirements for welded cylinders of water capacity not less than 0.1 kg and not greater than 500 kg that are insulated (in particular those manufactured to specification DOT 4L), and intended for storage and transport of fluids. These fluids are generally cryogenic.