First you cant smelt bronze. You can smelt tin and you can smelt copper, then blend them to make bronze. Second make a well to hold a supply of the bronze to prevent the final item from shrinkage, third after MELTING the bronze preheat the mold to near casting temperatures, and fourth you should de gas the liquid before pouring
Have you taken a casting class yet?
If you had actually read the rules when you joined as requested, then you could have avoided the warnings. they are not that hard to follow for the other 60,000 members here
The color purple is commonly used for switch legs, and FYI when I had a lot of switches in one box in a church, I used the high voltage colors as switch legs so I can keep track of things. IE yellow orange brown and well as purple
I second Frosty statement of scrap it, and use the money to buy appropriate gauge stock to stamp out coinage from, you will get a guaranteed quality that way as well
In answer to your questing about carbonizing steel, Yes I can do it, can you? maybe, maybe not but it costs more than buying the correct steel in the first place
thats why I first suggested letting them sag sorry I dont pay for them, I just install them, see my PM
Another option is to use an ERICSON, since that is for threaded pipe, you will need terminate each piece of pipe with a box connector
I would remove straps for a bit and let it sag, which will take up some of the extra length to allow you to couple, that doesn't work then getting a expansion joint may be the only option
OK everyone the point has been made, and seeing how he isnt able to defend himself for at least another week, to be fair lets drop it, and FYI his profile says he is only 9 years old born in 2014
https://www.google.com/search?q=coating+gas+forge+lining:iforgeiron+site:www.iforgeiron.com&client=firefox-b-1-d&sca_esv=584083287&sa=X&ved=2ahUKEwiZyLrIsNOCAxUWkWoFHTD3C44QrQIoBHoECBwQBQ
and I said pinned posts not google, but here are a few from google
When I wrote book 2, I did a 2 piece weld for the spears socket, and I think its a royal pain and I am glad I dont have to make a living making spears.