I wanted to convert my power steering lines over to -6AN. The low pressure line on the power steering pump had a hose stop that was fairly close to the end of the tubing, so I decided to cut the line back past the elbow. I've seen guys use aluminum adapter fittings with brass or aluminum ferrules for this type of tube. Those might be good on soft fuel line tubing, but not on steel tubing IMO. I decided to spend a bit more and buy a stainless steel fitting with SS ferrule. I don't want to experience a failure on my PS pump. I'm also planning to use power steering hose and fittings and NOT the PTFE type hose/fittings. Don't get me wrong, many guys have used them, but again I don't want to chance a pressure spike and having these blow. Again this is only my opinion.
Low pressure line with hose stop.
I cut the tube back behind the elbow.
This is the Titan SS tubing fitting I bought to adapt from 3/8" tube to -6AN.
Tubing fitting now installed.