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Does Fill Express require an eddy current exam on all cylinders before filling?

April 26, 2017cylinders Eddy exam Express Filling require

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Does Fill Express require an eddy current exam on all cylinders before filling?

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No. We require an eddy current exam only on cylinders made from aluminum 6351-T6 alloy. By mid-1990, the US aluminum cylinder industry was using a different alloy, known as 6061-T6. There are no indications that the 6061-T6 alloy has problems with SLC, and no steel cylinder has ever shown problems with SLC.