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Product Capabilities

Penn Stainless Products Specialty Pipe and Tube division offers a diverse combination of product capabilities, allowing for service to multiple market segments for both standard and nonstandard pipe and tube products.  Specialty Pipe and Tube can supply welded or seamless tubular products in stainless steels, duplex alloys, 6 molys (welded only), chrome molys (welded only), nickel alloys and more—all held to hundreds of standard and custom specifications.

Key highlights include:

  • Penn Stainless supplies a wide range of welded and seamless pipe and tube standard sizes in Nickel Alloys, Stainless Grades, and Duplex.  Also, some 6 moly welded pie and tube stocked as well.
  • Penn Stainless delivers custom pipe and tubes, specializing in Large Diameter, Heavy Gauge, &  Specialty Grades, including Nickel, Stainless, Duplex, 6Moly, & Chrome Moly.
  • Wall thicknesses up to 3” (76 mm)
  • Continuous product up to 60’ long (19 meters), 40′ long without a circumferential Weld.
  • Seamless and Welded Custom Supply Capabilities
  • Products produced in over 120 material grades
  • Value added services – x-ray, UT testing, Charpy testing, honing & more

For more information, be sure to look at the pages below or contact us directly.

Custom CapabilitiesHeavy Wall CapabilitiesLarge Diameter Capabilities

Stainless Steel Tubular Products Overview

Penn Stainless offers both custom and off the shelf stainless steel pipe and tube products.  Stainless Steel tubular products have significant strength.   New inventory and custom capabilities are constantly being added and so please check with us regarding your specific requirements.

Stainless Steel Tubular Products

Diameter of Stainless Tubular Products

Stainless steel tubular diameter sizes range from 1/8″ up to 144″ for pipes and up to 96″ for tubes. Get a Quote

300 Series Stainless Steel Grades

304 – 304/L – 304H – 309 – 309/S – 309H –310– 310/S – 310H – 316 – 316L – 317L – 321 – 321H – 347 – 347H Get a Quote

400 Series Stainless Steel Grades

 410 - 410S  Get a Quote

Duplex Tubular Products Overview

Duplex grades are commonly selected for pipe and tube applications in the power generation and petrochemical industries. There are a number of new duplex alloys on the market or currently in development. If you do not see a grade listed, please contact us.

Duplex Alloy Tubular Products

Duplex Tubular Products Size Rage

Thru 144″ diameter capabilities for pipe, 96″ for tube. Get a Quote 

Duplex Alloy Grades

2003 - 2101 - 2205 - 2304 - 2507 - Zeron 100 Get a Quote

Nickel Tubular Products Overview

Nickel Alloy Tubular Products

Nickel Tubular Products Size Range

Thru 144″ diameter for pipe, up to 96″ diameter for tubes Get a Quote 

Nickel Alloy Grades

Alloy 20 - Alloy 200 - Alloy 201 - Alloy 400 - Alloy 600 - Alloy 625 - Alloy 800 - Alloy 800HT - C-276. Other nickel alloy pipe or tube can be produced per customer request. Get a Quote

6 Moly Products Overview

While longer lead times are generally required to produce  6 moly grades, SPT can supply these products in welded pipe and tube in large or small diameters.

6 Moly Tubular Products

6 Moly Tubular Products Size Range

Production capability thru 72″ diameter. Get a Quote

6 Moly Grades

254 SMO (UNS S31254)
Get a Quote

Chrome Moly Tubular Products Overview


Chrome Moly Products

Chrome Moly Tubular Products Size Range

Generally, chrome moly grades are supplied with seamless construction 24″ and under. Specialty Pipe and Tube can produce welded chrome moly products to a number of specifications with relatively short lead times.  Also, custom welded in larger sizes can be supplied. Get a Quote

Chrome Moly Grades

P5P9P11P22P91 Get a Quote



Value Added Processes & Services

Penn Stainless Specialty Pipe and Tube offers a variety of services. If you don’t see what you’re looking for on this list, contact our office. It is likely that we have the capabilities to execute the service you request.

Service Offerings

Rapid Delivery 

We specialize in rapid delivery of nonstandard tubular products.  Rapid delivery is available for welded tubular products in stainless steel, duplex and nickel alloys, 6 moly grades and more. Tubular products are often inventoried and can ship the same day. We offer 24/7 service to meet the demands of the processing industry. Learn More

Processing Services 

Cutting, beveling, honing, butt welding, and polishing are just some of the services we offer.  Please review our processing services page to for more details about our processing services. Nearly any product made with stainless steel, duplex, nickel alloy, 6 moly or chrome moly grades can be processed to meet specific requirements. Learn More

Testing Services

In many cases, secondary testing is required to ensure that the product meets the requirements of a specific application. Positive materiel identification (PMI), ultrasonic testing and x-ray services are common offerings. Stainless steels, duplex alloys, nickel alloys and more can be tested to specific customer requirements. Learn More

Technical Support

We offer in-house technical support, and have deep collaborative relationships with our partners. We commonly have our customers work directly with our partners in pipe engineering, metallurgy and research. Learn More


Many of our products are shipped internationally. We offer export boxing and related services.

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