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Custom Stainless Steel Storage Tank Manufacturer

Custom-Fabricated Stainless Steel Storage Tanks

SFI has been a stainless steel storage tank manufacturer (above ground) since 1985. Our storage tanks are built to meet customer specifications and range in capacity up to 750,000 gallons.

SFI is committed to manufacturing the highest quality stainless steel storage tanks and offers tank features and benefits such as:

  • Shop or field fabrication
  • Various certifications and standards for design - ASME, API 650, API 620, etc.
  • Materials of construction
  • Weld and material finishes
  • Single wall or jacketed (with optional insulation) 
  • Heat transfer surfaces
  • Supports (legs, lugs, skirts, saddles, flat pitched)
  • Manways and connections

SFI offers a variety of options to meet customer requirements to serve a diverse group of industries.

Tank fabrication services 

SFI storage tanks are built in either our shop in Springfield, Missouri or on-site at customer facilities.  Factors such as tank size, vessel location (on the grounds or inside the plant) and scheduling determine whether vessels are better suited for shop or field fabrication. 

Click here for more information about shop and field fabrication.

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

We hold the following certificates:

  • ASME “U” certification
  • National Board “R” certification 

Other standards are utilized as required.

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Materials of Construction

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

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Heating and Cooling

  • Dimple jacket
  • Half pipe coil
  • Internal pipe

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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)

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  • Legs
  • Lugs
  • Skirts
  • Saddles


Modifications and Repairs

  • Inspection services
  • Make repairs as required or replace if necessary
  • Add or replace fittings
  • Replace damaged top and sidewall
  • Replace manways
  • Ladders, platforms and handrails

and more…

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