Traditional Culture Encyclopedia - Traditional culture - What are the traditional steelmaking modes?
What are the traditional steelmaking modes?
One is to put sponge iron (i.e. massive iron) directly in hot charcoal for a long time, heat it to carburize its surface, and then forge it repeatedly to make it carburized steel. The other is to mix sponge iron with carburizing agent and catalyst, and seal and heat it to carburize it into steel, commonly known as "braised steel"
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