Corrosion-resistant cast iron

摘要

A corrosion-resistant cast iron comprises (by mass %): -carbon 2.5 to 3.2 -silicon 0.95 to 2.4 -manganese 0.8 to 4.0 -nickel 12.0 to 18.0 -chromium 0.5 to 2.0 -copper 4.0 to 8.0 -aluminium 0.01 to 0.3 -magnesium 0.005 to 0.07 -calcium 0.01 to 0.10 -rare-earth metals 0.001 to 0.08 -barium 0.001 to 0.1 -tantalum 0.003 to 0.02 -niobium 0.005 to 0.3 -iron balance -