Graues,geimpftes Gusseisen

摘要

High strength low hardness gray iron consisting essentially of about 1 - 3 percent aluminum, 2 - 4 percent carbon, up to 1% silicon and the balance iron, said gray iron having been inoculated with a minimum of 0.3 percent of an inoculant alloy, the active inoculant of which is selected from the group consisting of calcium, barium and strontium.