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COLD DRAWN SEAMLESS
steel
tubing

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IT’S A SEAMLESS DECISION

Plymouth takes pride in the manufacturing of Seamless Cold Drawn Carbon & Alloy Steel tubing and each order is custom made per customer’s specification.

Plymouth has the capability to manufacture seamless carbon & alloy steel tubing from our facilities across the United States and exports the high quality material around the world.

ALLOYS

4130, Grades A, B, and C, T-1, T-1a, T-1b, A-1, T-2, T-12, T-5, T-22, T-11, 1010 to 1020, 1500

4100, 5100, 8600 series

Chemical Composition

14
Si
Silicon
Min: - Max: 0.350
6
C
Carbon
Min: 0.280 Max: 0.330
15
P
Phosphorus
Min: - Max: 0.040
16
S
Sulfur
Min: - Max: 0.040
13
Al
Aluminum
Min: - Max: -
24
Cr
Chromium
Min: 0.800 Max: 1.100
29
Cu
Copper
Min: - Max: -
25
Mn
Manganese
Min: 0.400 Max: 0.600
42
Mo
Molybdenum
Min: 0.150 Max: 0.250
28
Ni
Nickel
Min: - Max: -
22
Ti
Titanium
Min: - Max: -
23
V
Vanadium
Min: - Max: -

Specifications

  • BOILER/PRESSURE TUBING:  A/SA 106, A/SA 179, A/SA 192, A/SA 209, A/SA 210, A/SA 213
  • MECHANICAL TUBING:  AMS-T 6736B, MIL/AMS-T 6736B (Condition A or N) & AMS 6360, 6371, 6381

MECHANICAL TUBING

A/SA 519: Grades 1008 – 1070, 1500, and 4100, 5100, 8600 series

Cold Drawn Size Range: 0.125” – 5.563” OD, 0.020” – 0.750” Avg Wall

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BOILER TUBING

Plymouth Tube offers short lead times for heat exchanger and boiler tubing!

A/SA 106, A/SA 179:  Grades A, B, C

A/SA 192

A/SA 209: Grades T-1, T-1B, T-1A

A/SA 210: Grades A-1, C

A/SA 213: Grades T-2, T-12, T-5, T-22, T-11

Cold Drawn Size Range: 1.250″ – 6.00″ OD, 0.105″ – 1.00″ min wall

In lengths up to 75′ for cold drawn product and 65′ for hot finished product.

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PRO-MOLY FOR PERFORMANCE RACING

ProMoly – 4130 Tubing sizes and specifications:

Specifications: AMS-T-6736A,   AMS-6371, AMS -6360, MIL-T-6736B Quality

OD Range: .125” – 2.250”

OD Tolerance:  +/- .005″ (up to 1.500″ OD),  to +/- .010″ (above 1.500″ OD)

Wall Range: 0.02″ to 0.250″

Wall Tolerance:  +/- 10% (For ID’s Over .500″) to +/- 15% (for ID’s under .500″)

Assurance Certification:  ISO/TS 16949:2012
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OIL & GAS

Grades: 4130 Q&T, 4140 Q&T, 8630 T5

OD Range: 1.250″ – 6.000″

Wall Range: 0.128″ –  1.000″

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SHAPED TUBING

Grades: US Grades in Series 1000, 4000, 6000, 8000, 9000

Size Range:

  • 0.3125” – 5.000” OD (6.35 -127 mm) and walls from 0.020” – 0.500” (0.5508 mm – 12.700 mm).
  • Lengths depending on application; short lengths available.

Shapes:

Symmetrical and non-symmetrical shapes including rounds, squares, rectangles, triangles, hexagons, and customer OD/ID combinations. The possibilities are virtually unlimited.

  • Hexagons and Octagons, Across Flats: 0.3125” – 3.625”
  • Rectangles and Squares: 0.625” per side min, 5.000” max
  • Unique Shapes: Greater than 0.625”

Tolerances:

  • Dimensional Tolerance, Standard: +/- 0.005
  • Fillet and Radii Tolerance, Standard: 0.015” in Carbon
  • Ratio of Height vs. Width: 1 : 1.16 (max)

Properties:

  • Wide range of physical and mechanical properties, depending on grade, processing and annealing options.

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