Making a spout in my smelting pot.

[TES]

I use a cast iron dutch oven. My question is if I put a hardened steel spout in the wall or bottom do I have to worry about the different expansion rates of the different metals?

[blikseme300]

I would not do it. Cast iron is fragile enough without adding stress where the spout goes. The thought of a few pounds of molten alloy suddenly being released is ugly.

[shadowcaster]

You will be better off not messing with trying to make a cast iron pot into a bottom pour. Use steel plate and well casing or a rim. Do a search for "bottom pour smelter" to get some good ideas.

Shad

[PULSARNC]

A good welder who is used to working with castiron could do it either by welding or brazing a tube in ,however unless he is your brother-in- law or best buddy it will cost more than it is worth . I have brazed hundreds of cast iron water pump housings that broke from freezing and it was a steep learning curve,but now I can do it with 99.9% sucess

[220swiftfn]

Something else to consider...... The bail handle tabs can't take the weight of any decent amount of lead, so chances are they'd break about mid-pour (velly velly bad!!!)


Dan

[USMC87]

I would makle one from steel pipe, The cast iron won't handle the working stress . A lap full of lead is not worth the time messing with the pot.

[markshere2]

I use a cast iron dutch oven. My question is if I put a hardened steel spout in the wall or bottom do I have to worry about the different expansion rates of the different metals?
yes.

plus all the responses above.

[mongo404]

It took some patience but i drilled and tapped my cast pot to turn it into a bottom pour

[detox]

Good for you. How will you control flow?

[shadowcaster]

detox... Good for you. How will you control flow?

You control the flow like this...

http://castboolits.gunloads.com/showthread.php?146065-New-bottom-pour-smelting-pot!&highlight=bottom+pour+smelting+pot

Shad