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  1. #1
    Nonstop, all day, everyday. 01xdime's Avatar
    Join Date
    Aug 2005
    Pasadena, MD

    Stainless steel grade differences.

    Does anyone know what the difference is between 304 and 409 stainless steel and what would be best for use in watercraft?

  2. #2

    Join Date
    Apr 2006
    panama city beach 'fl

  3. #3
    cbrich's Avatar
    Join Date
    Nov 2006
    Around Lake Travis
    I have only of 409 being used in watches, I deal with 304 and 316 in WWTP design everyday, 304 will handle anything you can throw at it, unless you descide to ride in water that has a PH of <4 then you might need 316. The price of 316 is considerable more than 304.

  4. #4
    buddydoo's Avatar
    Join Date
    Oct 2005
    I just had a wear ring made out of 3/16 stainless,going to put it on when I finish getting all my motor mounts in.Its a better stainless than 17/4.

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