Mig welding stainless steel

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I have some stainless steel that I just wan't to play around with and am not sure what series it is. What type of wire could I use that would be compatible with an unknown type of stainless and can I get away with using my normal argon/co2 gas or would it just end up being a big mess.Also do they make a flux core stainless wire. I won't be welding stainless much so I don't wan't to buy another bottle with a different gas if I can keep from it.
Reply:For just practicing, you can use your standard FCAW (flux core) wire or GMAW (ER70S-6) wire. It won't look pretty but it will stick.John -  fabricator extraordinaire, car nut!-  bleeding Miller blue! http://www.weldfabzone.com
Reply:These may help---    http://www.lincolnelectric.com/knowl.../migweldss.asp   http://www.engineeringtalk.com/news/exv/exv123.html   http://www.azom.com/details.asp?ArticleID=470
Reply:thanks guys for the info, that helps. Also I found out that the stainless is 301.
Reply:MIG gas selection:http://files.aws.org/wj/2006/02/wj20...j200602-46.pdf
Reply:If your practicing to get the feel for Stainless Steel you should probably use a 308 MIG wire. This will give actual accounts of what you will be dealing with.