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Dates of SCUBA cylinder aluminum alloy changes

Dates by models when Luxfer changed the aluminum alloy in its scuba tanks from 6351-T6 to Luxfer’s proprietary 6061-T6 alloy.

S808 - May 1987

S72 - August 1987

S100 - August 1987

S80 - January 1988

S50 - April 1988

S92 - April 1988

S30 - May 1988

S63 - May 1988

S40 - June 1988

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