Chemical Processing Market

Tubing and Extrusions Engineered for Chemical Applications

Leading chemical companies trust Plymouth^® for high-quality tubing engineered to perform in corrosive, high-temperature, and high-fluid operating environments. We also offer value-added services such as advanced non-destructive testing, and best-in-class metallurgical support to help customers select the most suitable chemical processing tubing for long-term reliability and performance.

Chemical Processing Applications

Structural channels for piping systems
Heat exchanger tubing
Instrumentation tubing
Support structures for reactors
Custom profiles to integrate into processing machinery
Frames and rails for containment systems

Tubing and Extrusions Engineered for Chemical Applications

Chemical Processing Applications

Structural channels for piping systems
Heat exchanger tubing
Instrumentation tubing
Support structures for reactors
Custom profiles to integrate into processing machinery
Frames and rails for containment systems

Plymouth^® Chemical Processing Products

Our seamless and welded stainless steel and nickel alloy tubing are commonly used in heat exchangers, process piping, and critical system components, and are available in standard grades and specialty alloys like AL-6XN^® to meet your chemical processing requirements. In addition, our engineered shapes and extrusions provide customized profiles for a precise fit with your equipment.

Cold Drawn Shapes

High-volume producers of fluid-control components rely on Plymouth^® cold drawn shapes to eliminate redundant machining. Our near-net profiles deliver the exact dimensional tolerances and structural strength required for critical, high-pressure chemical applications, including:

High-pressure valve stems
Complex manifold blocks
Precision seat rings and seals
Heavy-duty fitting bodies

Cold Drawn Shape Specifications

Material Specifications
Carbon & Alloys	US Grades in Series 1000, 4000, 6000, 8000, 9000
Stainless Steel in Complex Geometries	Series 300 & 400 Stainless Steel
PH Grades in Rounds, Hexes or Octagons	17-4, 17-7, 15-5, 13-8
Exotic Alloys	Monel 400, Inconel, Hastelloy, etc.

Shape Specifications
Solid, Round	0.2500” – 3.750” OD
Hexagon 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”
Profile must fit within 6.500” Diameter Circle

Dimensional Specifications
Dimensional Tolerance, Standard*	+/- 0.005”
Fillet and Radii Tolerance, Standard*	0.015” in Carbon, 0.360” in Stainless
Ratio of Height vs. Width	1 : 1.16 (Max.)
Cross-Sectional Area	0.125 sq. in. (Min.)

*Tighter Tolerances may be available

Stainless Steel & Carbon Steel Extrusions

Plymouth^® extrusions defend against corrosion and pressure in large-scale fluid handling systems. Our focus on specification compliance ensures that extruded shapes maintain their performance in caustic environments:

Heat exchanger components
High-flow distribution systems
Corrosion-resistant support systems
Industrial filtration components

Carbon Steel Extruded Engineered Shapes

Carbon & Alloy Steel Grades	1018 1029 1030 1035 1040	1045 1050 1060 1215 4130	4140 4150 4340 6150	8620 8630 8640 9310	A36 A588 A690 Grade 50 Grade 60
Industry Specifications	AMS S6758 AMS 6415 AMS S5000	ASTM A 36 ASTM A 105 ASTM A 322	ASTM A 576 ASTM A 588 ASTM A 690	AMS-S-6758A AMS 6382
Outside Dimensions	Shape cross-section must fit within 6” (152.4mm) diameter.

Stainless Steel Extruded Engineered Shapes

Stainless Steel Grades	303 304 series 310 316 series	400 series 418 422	13-8 MO 15-5 PH 17-4 PH 17-7
Industry Specifications	AMS 5610 AMS 5613 AMS 5616 AMS 5621 AMS 5627	AMS 5629 AMS 5639 AMS 5640 AMS 5643 AMS 5645	AMS 5646 AMS 5648 AMS 5651 AMS 5659 AMS QQS 763	ASTM A 276 ASTM A 511
Outside Dimensions	Shape cross-section must fit within 5.5” (139.7mm) diameter.

Titanium Extrusions

Titanium extrusions provide the durability and corrosion resistance required in chemical processing applications to withstand harsh environments for enhanced performance lifespans.

Titanium Extrusion Specifications

Available Titanium Grades

6AL-4V

6AL-6V-2SN

6AL-2SN-4ZR 2MO*

Other grades available upon request.

Outside Dimensions

Shape cross-section must fit within 7.75” (196.8mm) diameter

*Shape cross-section must fit within 6” (152.4mm) diameter

Industry Specifications

AMS 4935
AMS 4975

DMS 1650
AMS-T-81556A

AMS 4921
MMS 1202

AIMS 03-18-011

Seamless Stainless Steel Tubing

Corrosion-resistant components are paramount for chemical processing facilities, which is why our seamless stainless steel chemical processing tubing is used for plant instrumentation and heat exchangers operating in harsh conditions.

Pressure Tubing

ASTM A/B and ASME SA/SB Specifications	Grades	OD Range	Wall Range	Maximum 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

Commercial Instrumentation Tubing

ASTM A/B and ASME SA/SB Specifications	Grades	OD Range	Wall Range	Maximum 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	304/L, 316/L	0.125” – 1.00” 3.175mm – 25.4mm	0.016” – 0.120” 0.4064mm – 3.048mm	48’ – 130’
-269 Seamless Austenitic Stainless Steel General Service Tubing	14.63m – 39.63m

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

Seamless Nickel Alloy Tubing

Seamless nickel tubing offers higher corrosion resistance than stainless steel and maintains performance standards when operating in sustained high temperatures. These qualities are essential for chemical plant heat exchangers and the long-term health of equipment assets.

Nickel Alloy Pressure Tubing

ASTM A/B and ASME SA/SB Specifications	Grades	OD Range	Wall Range	Maximum 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 Specifications	Grades	OD Range	Wall 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

Welded Nickel Alloy Tubing

Welded nickel tubing provides the same enhanced strength, corrosion resistance, and durability of seamless nickel tubing at an optimized price point, providing a cost-effective alternative for reliable heat exchanger operating efficiency.

Welded Nickel Alloy Pressure Tubing Specifications

ASTM A/B and ASME SA/SB Specifications	Grades	OD Range	Wall Range	Maximum 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 Stainless Steel Tubing

Using welded rather than seamless chemical processing stainless steel tubing gives plant operators a value-optimized alternative, delivering the same corrosion resistance and impeccable performance for instrumentation and pressure tubing.

Welded Stainless Steel Pressure Tubing

ASTM A/B and ASME SA/SB Specifications	Grades	OD Range	Wall 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 Specifications	Grades	OD Range	Wall Range	Maximum 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

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

Downloads & Resources

File	Language	Size
Extruded Engineered Shapes and Cold Drawn Shapes	EN	406 KB
Precision Cold Drawn Net Shapes Brochure	EN	256 KB
Shapes for Oil & Gas	EN	360 KB
Plymouth Heat Exchanger Tubing	EN	419 KB
Selecting Tubing Materials for Power Generation Heat Exchangers	EN	265 KB
Plymouth^® Product Catalog	EN	4 MB

Video	Watch
Titanium Extrusion Manufacturing Process
Plymouth Engineered Shapes at Plymouth^® \| Manufacturing Capabilities & Facility Overview
Salisbury Plant at Plymouth^® \| Manufacturing Capabilities & Facility Overview
Trent Plant at Plymouth^® \| Manufacturing Capabilities & Facility Overview
Plymouth^® – Tubing and Shapes You Can Trust

Tubing and Extrusions Engineered for Chemical Applications

Tubing and Extrusions Engineered for Chemical Applications

Plymouth® Chemical Processing Products

Cold Drawn Shapes

Cold Drawn Shape Specifications

Stainless Steel & Carbon Steel Extrusions

Carbon Steel Extruded Engineered Shapes

Stainless Steel Extruded Engineered Shapes

Titanium Extrusions

Titanium Extrusion Specifications

Seamless Stainless Steel Tubing

Pressure Tubing

Commercial Instrumentation Tubing

Mechanical Properties

Alloys

Seamless Nickel Alloy Tubing

Nickel Alloy Pressure Tubing

Nickel Alloy Commercial Instrumentation Tubing

Welded Nickel Alloy Tubing

Welded Nickel Alloy Pressure Tubing Specifications

Welded Stainless Steel Tubing

Welded Stainless Steel Pressure Tubing

Welded Stainless Steel Nuclear Instrumentation Tubing

Mechanical Properties

Alloys

Downloads & Resources

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

Plymouth^® Chemical Processing Products