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Seamless Pipe and Tube in Nonstandard Sizes

Penn Stainless supplies custom seamless pipe and tube solutions in many grades, including nickel alloy, duplex, 6 Moly, 300 series stainless steel, and 400 series stainless steel.  Despite the fact that there  is very limited domestic seamless pipe and tube manufacturing capability in the United States, Penn Stainless relies on our strong infrastructure of partner relationships to provide solutions to you that go well beyond typical stainless steel providers.

Let us know you requirements, and we will let you know your options.  There is no one solution for everyone, and much will depend on the grade, diameter, wall thickness, your shipping location, schedule requirements, as well as the quantity needed to determine your most cost effective options.

Our first option is always to check our inventory, as well as our mill depot location, supply partners, and pipe and mill partners for stock products.  In the case that it is not immediately available, here are a few of the supply solutions that we can offer, depending on your specific requirements.

  • Custom manufactured seamless pipe and tube in certain grades and sizes
  • Boring round bar to specific pipe or tube dimension requirements.  This typically works best for heavy gauge tubes.
  • In some cases we can hone an ID or turn an OD off the shelf nickel, stainless steel, 6 moly pipe and tube to produce a custom sized part with reduced delivery times.


Call us at 1-800-222-6144 for more information