GLASSWARE FORMING MOLD MADE OF NI-RESIST DUCTILE IRON

摘要

This patent describes a mold for a glassware forming machine that comprises at least one body having a central portion with a forming surface for shaping molten glass, and a peripheral portion spaced radially outwardly from said central portion. The body comprises austenitic Ni-Resist ductile iron having a silicon content in excess of 3.0% by weight and a molybdenum content in excess of 0.5% by weight.