Quote:
Originally Posted by eross
Does anyone making their own mandrels use an EMS? if so are the mandrels straight enough? Shawnette you mentioned 308L or 316L is this grades and does that make a difference to how straight they are?
Liz
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I've pretty much always made my own mandrels and I used them with an EMS. They have to be perfectly straight, though. It doesn't matter if they're 308 or 316. they just need to be straight. Roll them on a perfectly flat surface and if they roll smoothly, then they're straight.