Life Sciences Market

Life Sciences

Stainless Steel Tubing for Life Sciences

The life sciences market requires an uncompromising balance of biocompatibility, high purity, and extreme corrosion resistance to ensure process integrity. Plymouth® supports these critical needs with high-integrity tubing designed for sterile fluid transfer, medical systems, and analytical instrumentation. By providing a high-purity alternative to polymer-based materials, our products offer the long-term reliability required for sterile environments.

Life Sciences Applications

  • Medical instrumentation
  • Pharmaceutical infrastructure
  • Analytical instrumentation
  • High-purity sensing probes
  • High-purity fluid handling
  • Thermal management
  • Medical support structures

Stainless Steel Tubing for Life Sciences

The life sciences market requires an uncompromising balance of biocompatibility, high purity, and extreme corrosion resistance to ensure process integrity. Plymouth® supports these critical needs with high-integrity tubing designed for sterile fluid transfer, medical systems, and analytical instrumentation. By providing a high-purity alternative to polymer-based materials, our products offer the long-term reliability required for sterile environments.

Life Sciences Applications

  • Medical instrumentation
  • Pharmaceutical infrastructure
  • Analytical instrumentation
  • High-purity sensing probes
  • High-purity fluid handling
  • Thermal management
  • Medical support structures

Plymouth® Life Sciences Products

To ensure peak performance in sterile environments, our tubing is produced to achieve ultra-smooth, high-purity internal surfaces. Operating under ISO 9001:2015 quality systems, we manufacture in accordance with strict ASTM A270 and A269 standards for pharmaceutical and sanitary applications. Every component undergoes rigorous NDT—including ultrasonic and eddy current validation—ensuring full REACH and RoHS compliance for critical medical-grade equipment.

Manufactured at volume while strictly adhering to ASTM and ASME mandates, our high-purity seamless stainless steel tubing features the ultra-smooth ID surfaces and dimensional accuracy necessary for global life science applications:

  • Medical instrumentation
  • High-purity fluid delivery systems
  • Analytical diagnostic systems
  • Sanitary stainless tubing
  • Pharmaceutical infrastructure

Seamless Stainless Steel Pressure Tubing

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

-270 Seamless Austenitic Stainless Steel Tubing 

304/L, 316/L, AL-6XN® 

0.125” – 1.250” 3.175mm – 38.1mm 

0.016” – 0.120” 0.4064mm – 3.048mm

 48’ – 130’
14.63m – 39.63m

-632 Seamless Austenitic Stainless Steel Tubing for General Service 

304/L/N, 316/L/N, 321, 347 

0.125” – 1.500” 3.175mm – 12.7mm 

0.016” – 0.065” 0.4064mm – 1.651mm 

130’
39.63m

Seamless Stainless Steel Commercial Instrumentation Tubing

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

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

304/L, 316/L 

0.125” – 1.500” 3.175mm – 38.1mm 

0.016” – 0.120” 0.4064mm – 3.048mm 

48’ – 130’
14.63m – 39.63m

-269 Seamless Austenitic Stainless Steel General Service Tubing 

304/L, 316/L 

0.125” – 1.00” 3.175mm – 25.4mm 

0.016” – 0.120” 0.4064mm – 3.048mm 

48’ – 130’
14.63m – 39.63m

Seamless Stainless Steel 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 Stainless Steel Aerospace Tubing Specifications

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

Mechanical Properties

Tensile Strength 

515 MPa minimum / 75,000 psi minimum 

Yield Strength 

205 MPa minimum / 30,000 psi minimum 

Total Elongation Under Load 

30.000%

Hardness 

22 Maximum HRC

Alloys

  • Austenitic: 304/L/N, 316/L/N, 317/L, 321, 347
  • Duplex/Lean Duplex: 2101, 2205, 2507
  • Nickel Alloy: 600, 625, 800, 825

Safeguard your sensitive diagnostic and pharmaceutical processes with Plymouth®’s seamless nickel alloy tubing. Designed for unparalleled chemical stability against aggressive solvents, our tubing delivers the tight tolerances demanded for biotech components:

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

Nickel Alloy Pressure Tubing

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 RangeMaximum 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 WangeMaximum 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

Our welded nickel alloy tubing is essential for high-purity medical and pharmaceutical environments, offering superior chemical stability and surface quality compared to standard materials. We engineer welded nickel alloy tubing to strict ASTM and ASME specifications to ensure it has the precise tolerances and contamination control required for sensitive diagnostic applications, including:

  • Diagnostic probe assemblies
  • Pharmaceutical infrastructure
  • High-purity fluid handling
  • Thermal management

Welded Nickel Alloy Pressure Tubing Specifications

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

-249 Welded Austenitic Tubing Boiler, Superheater and Heat Exchanger Tubing 

304/L, 316/L, 317/L, 347, others

Also available in H and N grades. 

0.125” – 4.000” 3.175mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48’ – 130’
14.63m – 39.63m

Welded & Drawn Aerospace Tubing Specifications

Aircraft SpecificationsGradesOD RangeWall RangeMaximum Length

AMS 5564, AMS 5565, AMS 5566, AMS 5567, AMS 5569 

304/L 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5557, AMS 5575 

321 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5556, AMS 5575 

347 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5581 

625 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.141” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5580, AMS 5581 

600 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.141” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

PWA 1065 

718 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.136” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

TP-716 

718 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.136” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5561, BMS 7-185, HMS6-1132 

21-6-9 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.110” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5568 

17-7PH®

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.136” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5578 

Custom 455® 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.110” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

17-7PH® is a registered trademark of AK Steel. Custom 455® is a registered trademark of Carpenter Technology.

Engineered for compatibility with laboratory and medical environments, Plymouth® welded stainless steel tubing provides the dimensional consistency required for various support and instrumentation applications. Our focus on manufacturing precision ensures a reliable material solution for equipment manufacturers who require strict adherence to project specifications in:

  • Laboratory hardware and frames
  • Diagnostic equipment components
  • Medical support structures

Welded Stainless Steel Pressure Tubing

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

-269 Welded Austenitic Stainless Steel General Service Tubing 

304/L, 316/L, 317/L, 347 

0.125” – 4.000” 3.175mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48’ – 130’
14.63m – 39.63m

-270 Welded Austenitic Stainless Steel Tubing 

304/L, 316/L, AL-6XN® 

0.500” – 4.000” 3.175mm – 101.6mm 

0.065” – 0.131” 1.651mm – 3.3274mm 

48’ – 130’
14.63m – 39.63m

-632 Seamless Austenitic Stainless Steel Tubing for General Service 

304/L/N, 316/L/N, 321, 347 

0.125” – 1.500” 3.175mm – 12.7mm 

0.016” – 0.065” 0.4064mm – 1.651mm 

130’
39.63m

-676 UNS N08367  

AL-6XN®

0.250” – 4.000” 6.35mm – 101.6mm 

0.020” – 0.120” 0.508mm – 3.048mm 

48’ – 130’
14.63m – 39.63m

Welded Stainless Steel 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

Welded & Drawn Aerospace Tubing Specifications

Aircraft SpecificationsGradesOD RangeWall RangeMaximum Length

AMS 5564, AMS 5565, AMS 5566, AMS 5567, AMS 5569 

304/L 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5557, AMS 5575 

321 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5556, AMS 5575 

347 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.218” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5581 

625 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.141” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5580, AMS 5581 

600 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.141” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

PWA 1065 

718 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.136” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

TP-716 

718 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.136” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5561, BMS 7-185, HMS6-1132 

21-6-9 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.110” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5568 

17-7PH® 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.136” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

AMS 5578 

Custom 455® 

0.188” – 4.000” 4.78mm – 101.6mm 

0.016” – 0.110” 0.4064mm – 5.54mm 

48ft – 60ft
14.63m – 18.29m

17-7PH® is a registered trademark of AK Steel. Custom 455® is a registered trademark of Carpenter Technology.

Mechanical Properties

Tensile Strength 

515 MPa minimum / 75,000 psi minimum 

Yield Strength 

205 MPa minimum / 30,000 psi minimum 

Total Elongation Under Load 

30.000% 

Hardness 

22 Maximum HRC

Alloys

  • Austenitic: 304/L/N, 316/L/N, 317/L, 321, 347
  • Ferritic/Super-Ferritic: 430, 439
  • Duplex/Lean Duplex: 2101, 2205, 2507
  • High Nickel: AL-6XN®, 600, 625, 800, 825, C-276, C-22
  • PH Grades: 17-4, 17-7
  • Specialty: E-Brite®, Nitronic 30/40, Alloy 20, Invar 36, 718, 21-6-9

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