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Typically the price of stainless steel is comprised of two components, the base price and the Alloy Adjustment Factor (AAF). 

The base price represents the manufacturers cost for producing the material in a certain size, finish, profile etc. 

The AAF is a charge for the alloys used (e.g. nickel, molybdenum) to produce the specific grade as this varies considerably according to the grade (and specific composition) that the customer has specified. 

AAF charges OSTP

  AAF Fittings September 2021  AAF Tube September 2021
  AAF Fittings August 2021  AAF Tube August 2021
  AAF Fittings July 2021  AAF Tube July 2021



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