Seamless Nickel Alloy Tubing

Seamless Nickel Alloy Tubing

Seamless Tubing Trusted for Harsh Environments

For heat exchangers, condensers, and instrumentation used in critical service environments, Plymouth®’s seamless nickel alloy tubing helps manufacturers reduce corrosion risk, improve reliability, and maintain long-term system performance. In addition, as an established leader in tubing manufacturing since 1924, our products give customers confidence in the tubing’s performance and consistency.

Built on proven processes and collaboration with customers, we help you determine the right nickel alloy tubing for harsh media, elevated temperatures, and aggressive cooling-water conditions without compromising dimensional control or our dependable lead-times. Plymouth®’s seamless nickel tubing is made in our Salisbury mill, whose certifications include AS9100D and ISO 9001:2015

Seamless Tubing Trusted for Harsh Environments

For heat exchangers, condensers, and instrumentation used in critical service environments, Plymouth®’s seamless nickel alloy tubing helps manufacturers reduce corrosion risk, improve reliability, and maintain long-term system performance. In addition, as an established leader in tubing manufacturing since 1924, our products give customers confidence in the tubing’s performance and consistency.

Built on proven processes and collaboration with customers, we help you determine the right nickel alloy tubing for harsh media, elevated temperatures, and aggressive cooling-water conditions without compromising dimensional control or our dependable lead-times. Plymouth®’s seamless nickel tubing is made in our Salisbury mill, whose certifications include AS9100D and ISO 9001:2015

Finding the Right Nickel Alloy

When standard stainless grades aren’t enough, nickel alloys provide the margin of safety needed to fight corrosion, fouling, and thermal stress. Plymouth® supports material selection with best-in-class technical assistance, including guidance for corrosion mechanisms and cost-effective alloy selection. Other key advantages to our seamless nickel alloy tubing include:

  • Application-Matched, Custom Sizes: Our tubing is manufactured to your dimensional and performance requirements for an exact fit.
  • Reliable Performance in Aggressive Environments: We help customers select the nickel alloy options to best resist corrosion and fouling in harsh service conditions.
  • Heat Exchanger-Focused Value-Adds: We offer services such as non-destructive testing (NDT) for tubing used in critical applications.
  • Best-in-Class Technical Support: Our engineering staff is always available to support customer material selection and troubleshooting.

Seamless Nickel Alloy Tubing Specifications

ASTM A/B and ASME SA/SB SpecificationsGradesOD RangeWall RangeMaximum Length

-213 Seamless Austenitic Alloy Steel Boiler, Superheater and Heat Exchanger Tubing 

04/L, 316/L, 317/L, 347, others 

0.250” – 1.000”

6.35mm – 25.4mm 

0.016” – 0.100”

0.4064mm – 2.54mm

130’ 39.63m

-269 Seamless Austenitic Stainless Steel General Service Tubing

304/L, 316/L, 317/L, 347 

0.125” – 1.500”

3.175mm – 38.1mm

 

0.016” – 0.120”

0.4064mm – 3.048mm

 

48’ – 130’

14.63m – 39.63m

Seamless Nickel and Alloy Condenser and Heat Exchanger Tubing 

400, 600, 625, 800, 825

0.125” – 1.500”

3.175mm – 38.1mm 

0.016” – 0.120”

0.4064mm – 3.048mm

130’

39.63m

Nickel Alloy Commercial Instrumentation Tubing

ASTM A/B and ASME SA/SB SpecificationsGradesOD RangeWall Range Maximum Length

-213 Seamless Nickel and Alloy Condenser and Heat Exchanger Tubing 

400, 600, 625, 800, 825 

0.125” – 1.500”

3.175mm – 38.1mm

 

0.016” – 0.120”

0.4064mm – 3.048mm

130’

39.63m

Nickel Alloy Nuclear Instrumentation Tubing

ASTM A/B and ASME SA/SB SpecificationsGradesOD RangeWall RangeMaximum Length

-213 ASME Section III – Class 1, 2, & 3

304/L, 316/L 

0.125” – 1.500”

3.175mm – 38.1mm

0.016” – 0.120”

0.4064mm – 3.048mm

 

130’

42.67m

Seamless Nickel Alloy Aerospace Tubing Specifications

Aircraft SpecificationsGradesOD RangeWall RangeMaximum Length

AMS 5564, AMS 5565, AMS 5567, AMS 5569, MIL-T-5695

304/L

0.125” – 3.000”

3.175mm – 76.2mm

0.016” – 0.218”

0.4064mm – 5.54mm

48ft – 60ft

14.63m – 18.29m

AMS 5573, AMS 5584 1/8 hard

316/L

0.125” – 3.000”

3.175mm – 76.2mm

0.016” – 0.218”

0.4064mm – 5.54mm

48ft – 60ft

14.63m – 18.29m

AMS 5557, AMS 5570, AMS 5896, AMS 5897

 

321

0.125” – 3.000”

3.175mm – 76.2mm

0.016” – 0.218”

0.4064mm – 5.54mm

48ft – 60ft

14.63m – 18.29m

AMS 5557

 

 

347

0.125” – 3.000”

3.175mm – 76.2mm

0.016” – 0.218”

0.4064mm – 5.54mm

48ft – 60ft

14.63m – 18.29m

AMS 5581

625

0.125” – 3.000”

3.175mm – 76.2mm

0.016” – 0.218”

0.4064mm – 5.54mm

 

48ft – 60ft

14.63m – 18.29m

Markets for Seamless Nickel Alloy Tubing

Aerospace tubing

Aerospace

Seamless nickel alloy tubing provides additional resistance and durability for use in extreme conditions, and is engineered to comply with aircraft safety standards to build a variety of components:

  • Seat tracks
  • Longerons
  • Vertical stabilizer spars
  • Engine pylons
  • Thrust reversers
  • Nacelle and engine mount
Defense

Defense

Plymouth® reinforces mission-critical systems with high-volume production of seamless nickel alloy tubing engineered for the most extreme thermal and corrosive environments. As an ITAR-compliant partner, we deliver the metallurgical stability and absolute consistency required for defense contracts. Our strategic global network provides the specialized material integrity necessary for:

  • Submarine and naval systems
  • High-temperature propulsion
  • Strategic power infrastructure
  • Advanced engine components
tubing

Life Sciences

Plymouth® advances pharmaceutical and medical innovation through high-volume production of seamless nickel alloy tubing engineered for superior chemical stability. We specialize in high-performance grades that offer exceptional resistance to aggressive media, providing the ultra-clean surfaces and tight tolerances essential for global diagnostic initiatives including:

  • Analytical instrumentation
  • Aggressive media processing
  • High-purity sensing probes
  • Specialized thermal systems
Secondary

Chemical Processing

The corrosion resistance and sustainable performance under high temperatures offered by seamless nickel alloy tubing render it highly valuable for chemical plant heat exchangers, helping these facilities extend the reliability and performance lifespans of their equipment assets despite corrosive operating environments. Its applications include:

  • Heat exchangers
  • Exhaust systems
  • High-temperate thermal systems
Nuclear

Nuclear Power

Nuclear power generation requires seamless nickel alloy tubing that withstands high pressures, prolonged heat exposure, and corrosive chemicals to ensure the efficient operation of heat transfer and balance-of-plant heat exchangers in nuclear power facilities.

Space

Space

Seamless nickel tubing’s uniform wall structure and efficient, leak-free performance provides tremendous value to the construction of numerous space propulsion components. Some of these applications include:

  • Propellant feed lines Structural components
  • Pressurization systems
  • Launch pad equipment
  • Air tubes
  • High-pressure fluid transfer systems

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