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If Luxfer 6061-alloy cylinders are not susceptible to SLC, why has Luxfer exchanged 6061 cylinders that have been reported to have cracks?

April 26, 2017CRACKS cylinders exchanged luxfer reported slc susceptible

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If Luxfer 6061-alloy cylinders are not susceptible to SLC, why has Luxfer exchanged 6061 cylinders that have been reported to have cracks?

1 Answer

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• After the introduction of eddy-current technology, Luxfer received reports of cracking in 6061-alloy cylinders. We accepted returns on about 1,200 of these cylinders to conduct extensive tests. Not a single cylinder was found to be cracked. • On Luxfer 6061-alloy cylinders, eddy-current devices sometimes show harmless “indications” that lead to “false-positive” readings for SLC.