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Seamless STAINLESS
steel tubing
SEAMLESS TUBING YOU CAN TRUST WITH DELIVERIES YOU CAN DEPEND ON
With a combined 75 years of experience, Plymouth Tube is considered to be one of the premier Seamless Stainless Tubing suppliers world wide. Plymouth has the capability to manufacture the seamless stainless steel tubing from 3 different facilities across the United States and exports the high quality material around the world.
Each tube is custom made for the customer’s specific application, and we offer a wide variety of specifications and grades. From high purity to heat exchanger to instrumentation and aerospace, we have your solution.
ALLOYS
Austenitic: 304/L/N, 316/L/N, 317/L, 321, 347
Duplex/Lean Duplex: 2101, 2205, 2507
Ni Alloy: 600, 625, 800, 825
Chemical Composition
Mechanical Properties
| Tensile Strength | 515 MPa min | 75,000 psi min |
| Yield Strength | 205 MPa min | - |
| 30,000 psi min | - | |
| Total Elongation Under Load | 30.000 % | - |
| Hardness | 22 Max HRC | - |
Specifications
- Pressure Tubing & Heat Exchanger Tubing: A/SA 213, A/SA 268, A/SA 269, A/SA 270, A/SA 632, B/SB 163
- Instrumentation & General Service: A/SA 213, A/SA 269
- Nuclear Instrumentation Tubing: A/SA 213 ASME Section III- Class 1 & 2
- Mechanical Tubing: A/SA 511
- Aircraft Specifications: AMS 5564, AMS 5565, AMS 5567, AMS 5569, AMS 5695, AMS 5557, AMS 5570, AMS 5897, AMS 5896, AMS 5581
- OD Range: 0.125- 3.000” (3.175 mm – 76.2mm)
- Wall Range: 0.016” – 0.134” (0.41 mm – 3.40mm)
- Max Length: 140 ft
Aerospace
Seamless Stainless Steel Aerospace Tubing produced by Plymouth Tube’s Salisbury Mill.
Size Range:
OD: 0.125” – 3.00” (3.175mm – 76.2mm)
Wall: 0.016” – 0.120” (0.406mm – 3.04mm)
Specifications:
304/L AMS 5564 (AMS-T-6845 noncurrent), AMS 5565 (AMS-T-8506 canceled, supersedes MIL-T-8506), AMS 5567 (supersedes MIL-T-8504), AMS 5569, AMS 5695
321 AMS 5557 (supersedes MIL-T-8808, MIL-T-8606 inactive), AMS 5570, AMS 5897 (MIL-T-8973 canceled) AMS 5896
347 AMS 5557 (supersedes MILT-T-8808, MIL-T-8606 inactive)
AMS 5897 (MIL-T-8973 canceled)
625 AMS 5581
We also offer extruded and cold drawn shapes for the aerospace industry. Please see our Aerospace page for more information.
HEAT EXCHANGER
Offering specialty seamless heat exchanger tubing with quick lead times
Size Range:
OD: 0.375” – 3.000” (9.53mm – 76.2mm)
Wall: 0.026” – 0.134” (0.66mm – 3.40mm)
Offering straights and U-bends
INSTRUMENTATION
Size Range:
OD: 0.125” – 3.000” (3.18mm – 76.2mm)
Wall: 0.016” – 0.120”min wall (0.41mm – 3.05mm min wall)
Grades: 304/L, 316/L
Specifications: A/SA 213, A/SA 269
GENERAL SERVICE & MECHANICAL
Size Range:
OD: 0.125” – 3.000” (3.18mm – 76.20mm)
Wall: 0.016” AW – 0.148” AW (0.41mm – 3.76mm)
Grades: 304/L, 316/L, 317/L, 321, 347Specifications: A/SA 269, 632, 268, A/SA 511
NUCLEAR INSTRUMENTATION
Size Range:
OD: 0.125” – 1.000” (3.18mm – 25.40mm)
Wall: 0.016” AW – 0.109” AW (0.41mm -2.77mm)
Grades: 304/L, 316/L, 600
Specifications: ASME Section III- Class 1 & 2, ASTM B and ASME SB 163 and 167
