Cu-Cr-Zr CASTING MOLD MATERIAL AND Cu-Cr-Zr ALLOY MATERIAL

摘要

The mold material for casting according to the present invention is a casting mold material having a composition containing 0.3 mass% or more and less than 0.5 mass% of Cr, 0.01 mass% or more and 0.15 mass% or less of Zr and a balance of Cu and unavoidable impurities, And has a plate-like precipitate.