CAST IRON

摘要

FIELD: metallurgy. ^ SUBSTANCE: cast iron contains components in following ratio, wt %: carbon 3.2-3.8; silicon 1.0-2.0; manganese 0.2-0.6; rare-earth metals 0.3-0.5; zirconium 1.2-1.6; vanadium 0.3-0.5; boron 0.01-0.03; iron - the rest. ^ EFFECT: increasing of cast iron thermostability. ^ 1 tbl