• Contracts, with mills, are written to secure controlled metallurgy for materials used in manufacturing (butt tube & bar) to assure consistency order to order.
  • Only T316L stainless steel is used for fitting manufacturing. Other materials are available upon request.


  • MTR’s are required for all materials used in the production of fittings.
  • The original MTR’s are kept in a permanent file at Advance Fittings.
  • A printed copy of MTR’s is provided for all components and is available upon request.
  • All fittings are marked with heat numbers for system validation.

Surface Finishes

  • Multiple combinations of finishes are available.
  • Advance Fittings uses a profilometer to measure surface finishes, thus guaranteeing the finish on every fitting meets or exceeds specifications. 
  • Advance Fittings electropolishes in-house with our own specialty designed system.

Laser Marking

  • All fittings are printed for permanent identification per customer specific requirements.
  • Custom marking available upon request.
  • Component heat numbers are marked on each fitting.


  • Each fitting is cleaned in Deionized Water.
  • All ends (weld & clamp) are capped to prevent damage.
  • Each fitting is individually placed in a plastic bag.
  • Every fitting has a label attached to the outside of the bag which lists the part number, part description and size, material type, and heat number(s).

Please contact us for all your stainless fittings and custom fabrications needs

Phone: 262-723-6699   Email: sales@advancefittings.com

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