Frequently Asked Questions

FAQs

Direct Answers for Your Next Project

To help keep your project on schedule, we’ve provided straightforward answers to the questions we hear most. Below you will find essential details regarding our global mill locations, our latest certifications, and the precision tubing and extruded shape capabilities that drive your operations.

FAQs

Direct Answers for Your Next Project

To help keep your project on schedule, we’ve provided straightforward answers to the questions we hear most. Below you will find essential details regarding our global mill locations, our latest certifications, and the precision tubing and extruded shape capabilities that drive your operations.

General Questions

Who is Plymouth Tube Company?

Plymouth® is a privately held, family-owned precision metal manufacturer. Founded in 1924 as a single cold drawn tubing location in Michigan, we have grown into a global supplier with over 1.6 million square feet of manufacturing and office space. With a mission to meet or exceed customer expectations, we specialize in precision tubing, extruded shapes, and cold drawn shapes spanning specialty carbon, alloy, stainless steel, nickel alloy, and titanium.

Where are your facilities located?

We operate seven strategic business locations to serve our global customer network:

  • Warrenville, IL: Corporate Headquarters
  • Hopkinsville, KY: Engineered Shapes (Extrusions and Shapes)
  • East Troy, WI: Trent Facility (Stainless Steel Tubing)
  • Eupora, MS: Eupora & Fabricated Tube Solutions (Carbon/Alloy Tubing)
  • Salisbury, MD: Salisbury Facility (Stainless/Nickel Tubing)
  • Schwerte, Germany: Plymouth Schwerter Technik (Special Profile Solutions)
What markets do you serve?

Our expertise spans several global sectors, providing mission-critical components for:

  • Aerospace & Space: Serving both commercial aviation and space exploration.
  • Defense: Providing mission-critical components for defense applications, including armored vehicles, submarines, and frigates.
  • Industrial: Supporting automation, infrastructure, and architectural projects.
  • Power & Energy: Solutions for nuclear power, chemical processing, and oil and gas.
  • High Performance: Focused on performance racing and firearms.
  • Transportation: Spanning automotive, recreation, and heavy equipment.
  • Life Sciences: Precision engineering for medical and laboratory environments.
What are your quality certifications?

Our facilities maintain rigorous international standards:

  • Hopkinsville, KY: AS9100:D, ISO 9001, ISO 14001, ITAR, NADCAP-Material Test Lab, PED, and REACH.
  • Eupora, MS: ISO 9001:2015 and PED.
  • Salisbury, MD: AS9100D, ISO 9001:2015, PED 2014/68/EU Annex I Paragraph 4.3, NADCAP Non-Destructive Testing (Ultrasonic testing), ITAR, REACH, and RoHS.
  • East Troy, WI: AS9100D, AS9100:2016, NADCAP-Non-Destructive Testing, PED, ITAR, and REACH.
  • Schwerte, Germany (PST): AS-9100D, ISO 9001:2015, ITAR-M17516, Nadcap for Material Testing Lab, and TUV SUD Certification Body for Material & Welding.

Products and Capabilities

To ensure transparency for your project requirements, our manufacturing and value-added services are categorized by region.

Domestic Services (U.S. Facilities)

  • Extruded Engineered Shapes:
    • Carbon & Alloy Steel: Cross-sections up to 6” (152.4mm) diameter.
    • Stainless Steel: Cross-sections up to 5.5” (139.7mm) diameter.
    • Nickel Alloy: Cross-sections up to 6” (152.4mm) diameter.
    • Titanium: Generally, up to 7.75” (196.8mm) diameter, with some grades limited to 6 inches (152.4mm).
  • Cold Drawn Shapes: Solid rounds (0.2500″ to 3.750″ OD), hexagons/octagons (0.3125″ to 3.625″ across flats), and rectangles/squares (min 0.625″ to max 5.000″). Profiles fit within a 6.500″ diameter circle with standard tolerances of +/- 0.005″.
  • Precision Tubing: Comprehensive range including Carbon, Alloy, Stainless, and Aerospace-grade tubing with OD ranges from 0.125″ up to 4.000″.
  • Value-Added Services: Precision saw cutting, end finishing, light fabrication, kitting, Kanban, and special packaging. 

Global Services (Schwerte, Germany - PST)

  • Special Profile Solutions: World-leading provider of custom special profile solutions in steel, aluminum, and titanium.
  • Ballistic Protection Systems: Specialized design and manufacture of ballistic grille systems (sandwich grilles) for defense applications such as armored vehicles, submarines, and frigates.
  • Advanced Technical Processing: CNC milling, drilling, sawing, surface finishing, submerged arc welding, and thermal treatment.

Ordering and Inventory

How can I request a quote?

You can request a quote directly by clicking the “Request a Quote” button, or for custom solutions, contact us directly at sales@plymouth.com.

What is The Plymouth Advantage®?
  • DELIVERY PROMISE OF THE DAY OF YOUR CHOICE
    At Plymouth, on-time delivery performance is not only judged by how closely we achieve a promised date, but also by how convenient that date is for you. Our flexible production schedules will allow us to ship any day of the week, helping you to optimize your material flow.
  • WE MAKE IT RIGHT
    We will ensure that the product you receive from Plymouth® is absolutely correct in every way. In the unlikely event you are not satisfied with Plymouth® products or services, a Plymouth® Mill Representative will be at your facility within 72 hours, or at your earliest convenience, to resolve the satisfaction issues while minimizing any impact on your organization.
  • EXTRAORDINARY SERVICE VALUE
     To meet special customer service needs, we offer value-added services such as set-aside programs, blocked footage, joint sales calls, product training and mill visits. This provides you with a depth of technical service and support that is unmatched in the industry, ultimately leading to the quickest turn-around possible and overall customer satisfaction. Plymouth® gains more product and market intelligence in the process, allowing us to offer our customers more value-added benefits.
Do you have products in stock for immediate shipment?

Yes, for in-stock solutions, please view our Initiatives. [Dev, link to Initiatives page]

  • Our Plymouth® In-Stock Solutions Initiative has our current inventory, which includes various grades, specifications, and finishes from our Eupora, Trent, Hopkinsville, and Salisbury facilities, and is available for customers to purchase.
  • Our flexible production schedules allow us to ship any day of the week to help you optimize your material flow. We also offer value-added services like set-aside programs and blocked footage to meet special customer needs.

Technical Support

How can I connect with your team or an expert?
Do you offer technical support?

We offer value-added services such as joint sales calls, product training, and mill visits to provide a depth of technical service and support that is unmatched in the industry. In the unlikely event you are not satisfied, a Plymouth® Mill Representative will be at your facility within 72 hours, or at your earliest convenience, to resolve the issues.

More than 100 Years of Innovation, Quality, and Custom Solutions

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