Re: Cast Iron Cupola

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Posted by jon presson on October 12, 1998 at 08:44:04:

In Reply to: Cast Iron Cupola posted by Bill Roberts on October 12, 1998 at 08:40:21:

i am trying to figure ways to better the quality of the iron produced from a cupola since the iron that is produced normally is high carbon and brittle...

i have heard that there are dry chemical additives that may be thrown in with the charges (manganese carbonate, i believe was the one that sticks out in my mind)

any way when these chemicals burn they free oxygen into the melt (i believe it's 2 oxygens) which when combined with available carbon makes 2 CO molecules which bubble out of the mix...... taking their carbon with them and leaving manganes in the melt

i was wondering if you have any experience with any such additives......

any info would be greatly appreciated........

also i was wondering if you have any mix metal formulas for iron/steel.....

i am specifically trying to make an alloy that will be of good use for

stakes and mandrels..........


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