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Melting ductile iron.

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ironman:
Hi everyone

I have made a video about melting scrap ductile iron for castings that I need. 

awemawson:
Ironman, what would you need to do to retain the ductile properties? Would adding more Ferrosilicon do it?

lordedmond:
You would need to get it up to 1600 dec C and ad magnesium big flare up so be careful. Or mish metal F Silicon wil not do it

At least that's what they put in at the iron works when they made it for the spun pipes and WKW

It's more correctly known as spherodal iron IE the graphite is in spheres not flakes that what the lab had to look for


Stuart

hermetic:
Hi Ironman, excellent video of iron melting, can you tell me the type of crucible you are using?
Phil
UK

ironman:
awemawson

No, I add ferrosilicon to make the iron soft. Remelting ductile iron destroys what has been added in the last melt.

hermetic

For that video I was using a A6 morgan crucible made in india. vtsteam uses the same crucible for melting iron.

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