Stainless Steel Screw Standards
I purchased a large quantity of #8 stainless steel screws from BOLT DEPOT, to replace screws in my 14 year old 5th wheel. Most of the original screws had severe rust problems. Even screws that were c...
Forum Discussion
Seems to be a lot of iron in stainless.
The most common stainless steel is the 304 grade with 8% nickel and 18% chromium and the balance iron. This is used for such common items as spoons and forks, saucepans and kitchen sinks. Where extra corrosion resistance is required, such as for roofing in marine applications, type 316 is used. This has about the same amount of nickel and chromium as 304 but with 3% of molybdenum added. The balance is again iron.
https://www.azom.com/article.aspx?ArticleID=2194
The most common stainless steel is the 304 grade with 8% nickel and 18% chromium and the balance iron. This is used for such common items as spoons and forks, saucepans and kitchen sinks. Where extra corrosion resistance is required, such as for roofing in marine applications, type 316 is used. This has about the same amount of nickel and chromium as 304 but with 3% of molybdenum added. The balance is again iron.
https://www.azom.com/article.aspx?ArticleID=2194
