Aluminum radiator core 1. Aluminum die casting 2. 1 or 2 cavity 3.SGS ISO9001:2008. Aluminum radiator core, hot water radiators.We are a ... , DIEVAR, QDN, 8407, 2344V, TQ1, 2343, SKD61,45#steel,etc.Heat treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High precision,Quality ... some die casting projects with you together perfectly. Aluminum radiator core