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Stainless Steel for Architectural Use

Article ID: 10
Last updated: 18 May, 2012
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For Architectural use we generally deal with Austenitic grades of Stainless Steel. There are two widely used grades, 316 and 304. For fasteners and other material that may be used in architectural use 18-8 is also very common.

nAll grades of Stainless Steel contains Chromium (Cr), Nickel (Ni) , Carbon (C), and Iron.
316 contains Molybdenum (Mo)as well.
nGeneral rules apply to the properties of the metal in regard to aesthetic value and architectural use.
  • Higher Carbon = Higher Strength + Higher Risk of Corrosion
  • Higher Chromium / Nickel / Moly= Higher Corrosion Resistance
  • Additional elements or change in elements can add corrosion resistance or strength, but rarely both.
n
304 Stainless Steel Properties and Element
8.0 to 10.5 Ni , 18 to 20% (Cr) and .8% (C)
n316 Stainless Steel Properties and Elements
10 to 14 Ni , 16 to 18% (Cr), 2 to 3% (Mo) and .8% (C)
nRecommended for Ocean Proximity Railings and other exposed uses
316L (Low Carbon) Stainless Steel. Max. .3 (C
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