1. cracks in cold or nearly cold cast metal due to excessive internal stresses caused by contraction; 2. a type of weld cracking that usually occurs in cold or nearly cold metal below 200 oC (compare: hot cracking), 1. külmas või peaaegu külmas valandis tardkahanemisest tingitud sisepingete toimel tekkinud pragunemine (praod); 2. keeviste pragunemine (praod) madalatel temperatuuridel (alla 200 oC) (vrd kuumpragunemine)