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Safety Alert – Stress corrosion cracking of beverage mixed gas cylinders

In March 2010 a man lost a part of his leg when a beverage gas cylinder that he had just finished filling spontaneously exploded into four parts. This was the first fill of the cylinder after it had passed its periodic examination at an approved Inspection Body.

Early investigations suggest strongly that the cylinder failed by stress corrosion cracking starting inside the cylinder and that there were clear indications of internal corrosion of the cylinder walls.

View safety alert ‘Stress corrosion cracking of beverage mixed gas cylinders’