A chilling change: Using cryogens to alter metal parts


This month, gasworld takes a look at the many ways cryogens are used in manufacturing and processing. Here we examine shrink fitting, a unique way of applying very cold temperatures to manipulate metal.

Like the dryer that can shrink your favorite sweater to a fit a child, heat’s opposite —cold— can be used to shrink one metal part to fit inside another.

Cold shrinking

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