(1) then central cavity formed by contraction in metal, especially ingots, during solidification; (2) the defect in wrought or cast products resulting from such a cavity; (3) an extrusion defect due to the oxidized surface of the billet flowing toward the center of the rod at the back end; (4) a tubular metal product, cast or wrought.
Accreditations Aster Accredia Accredia Accredia Tuv Nord Nadcap Crit
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