Crucibles for Aluminum

Empty propane cylinders
Empty fire extinguisher cylinders
Oil filters
buy one

Practical experience with an empty propane cylinder was less than satisfactory. After a couple uses it sprung a leak. Leaky crucibles of molten aluminum are not a good thing. I think the molten aluminum dissolves the steel, forming an iron/aluminum allow.

filename:	Crucibles for Aluminum
filename:	Crucibles%20for%20Aluminum
last edit:	May 16 2020 17:34:33 (-7645930 minutes ago)
ct	= 1130909036.000000 = November 02 2005 00:23:56
ft	= 1589664873.000000 = May 16 2020 17:34:33
dt	= -458755837.000000