Process for the introduction of nitrogen into cast iron

摘要

The present invention provides an agent for the introduction of nitrogen into cast iron, wherein it contains or consists of at least 50% by weight of at least one nitrogen-containing compound with an N-C-N structure and/or a mixture of calcium cyanamide with nitrides of silicon, ferrosilicon, manganese and chromium. The present invention also provides a process for the introduction of nitrogen into cast iron using this agent.