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Stainless Steel Ethanol & Fuel Storage Tanks

Experienced field fabricator

Beginning as an on-site fabricator of stainless steel storage tanks, SFI has constructed over 1,000 tanks in the field for various industries including over the past 30+ years. With this kind of experience, we have been able to grow our knowledge base to include the needs and preferences of many industries, including oil, gas, ethanol and petrochemical.

The tanks that SFI has built for the ethanol industry are mostly field fabricated and have ranged in capacity from 25,000 to over 600,000 gallons. We have the experience to design and build what you need, meeting standards such as API 620, API 650, UL-142, and ASME.

Examples of Equipment Built by SFI

  • CIP tanks
  • Condensate tanks
  • Feed Separator
  • Fermenters
  • Liquefaction
  • Mash tanks
  • Membrane tanks
  • Reflux tanks
  • Saccharification
  • Slurry
  • Stillage tanks
  • Syrup tanks
  • Wastewater

Equipment Options

  • Materials of construction – stainless steel and other nickel based alloys
  • Material and weld finishes
  • Field fabricated carbon steel tanks are considered on a job-by-job basis
  • Single or double wall construction, with our without insulation
  • Heat transfer surfaces
  • Supports – legs, lugs, skirts, saddles, flat pitched
  • Manways and fittings

And more…

Materials of Construction

  • 300 Series Stainless Steel
  • Other nickel based alloys including:
    • Hastelloy
    • Monel
    • Inconel
    • Duplex 2205

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Material Finishes

  • 2B (cold rolled sheet)
  • Mill (HRAP)
  • Mechanical polish (from 50 to 10 Ra)
  • Mechanical polish plus Electropolish (from 30 to 10 Ra) 

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Weld Finishes

  • As Is
  • Scotch brite buffed
  • Mechanical grind (50 grit)
  • Mechanical polish (32 to 10 Ra)

Click here to download our Materials and Finishes PDF for more information.

Modifications and Repairs

and more…


SFI utilizes various standards to ensure your product is built to the highest quality possible. 

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