what is the difference? IN ss spreaders

plowking35

LawnSite Bronze Member
Location
S.E. CT
304 is the high grade surgical stainless steel that can be left unpainted and will not corrode or rust.
409 is the lower quality ss that needs to be painted. IMO stay with the 304, or with painted mild steel. No reason to pay for 409 ss and still have a corrosion issue.
Dino
 

Kent Lawns

LawnSite Senior Member
Location
Midwest
I was told (I'm not a metalergist) that 304 had 99% of the Iron removed from the steel and 409 has only 90%.

Either way, I certainly agree with Dino: go with the full stainnless, it'll cost less in the long run.
 

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