Safety Alert
Cylinders manufactured from aluminium alloys HE30/AA6082 and AA6351 and used primarily for gases for underwater breathing apparatus
Cylinders manufactured from aluminium alloys HE30/AA6082 and AA6351 and used primarily for gases for underwater breathing apparatus
- HSE
- Safety Alert
- ED1-2018
- DivingPressure Systems
- Pressure systemsStructural and asset integrity
- Diving operationsInspection and maintenance
- Gas cylinder
- Competence and trainingNon-destructive testingRisk assessment
Summary
HSE warns of catastrophic failures in HE30/AA6082 and AA6351 aluminium cylinders used for diving gases, highlighting susceptibility to sustained-load cracking. The alert requires visual inspection and eddy-current testing by competent inspectors, explains alloy identification, and specifies withdrawal or condemnation where identification or satisfactory testing cannot be established.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Gas cylinder; compressed gas bottle; gas cylinders.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Non-destructive testing; NDT; non-destructive examination; NDE.
Classifications: Risk assessment; hazard assessment.
ED1-2018. Themes: diving, pressure systems.