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MTS stocks Stainless Steel (SS) Tubes and Pipes in the following grades: 304/304L, 316/316L grades. Tubes are Seamless and Welded.

In addition,  MTS carries SS Tubes for High Engineered and Aerospace applications including following alloys: 321, 347, 17-4 PH, 15-5PH, 17-7PH

Stainless steel, also known as Inox steel or Inox from French "inoxydable", is a steel alloy with a minimum of 10.5% to 11% chromium content by mass. Balance contains levels of nickel, molybdenum, and niobium.

SS resist to corrosion, however it is not fully stain-proof. SS also called corrosion-resistant steel or CRES when the alloy type and grade not specified (specifically in Aerospace industry). There are several grades and surface finishes of stainless steel to suit wide range of applications. Stainless steel is used where both steel mechanical properties are needed with increased values for corrosion resistance.


Stainless steel offers the following benefits for its users:

  • Stain and Corrosion Resistance

  • Heat and Fire Resistance

  • High strength-to-Weight Ratio

  • Recyclable

  • Appearance and Cleanliness


everal industries utilize stainless steel for wide range of applications including Aerospace, Automotive, General Engineering, Oil and Gas, High Tech and Medical.

SS Tube  grades and Specifications:

  • 304 per ASTM A213, ASTM A269, ASTM A511, MIL-T-8606    

  • 316 per ASTM A249, ASTM A269, ASTM A554 , AMS 5573 

  • 321 per AMS 5557, AMS 5570 , AMS 5576, AMS 5645

  • 347 per AMS 5556, AMS 5571, AMS 5575

  • 17-4 PH per AMS 5604, AMS 5643

  • 15-5PH per AMS 5659

  • 17-7PH per AMS 5568

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