Recreational Transportation Market

Tubing and Extrusions for Recreational Vehicles

The recreation market demands a strategic balance of weight reduction, uncompromising durability, and structural safety to support high-performance and leisure platforms.

Plymouth^® addresses these needs with a precision-engineered portfolio of cold drawn seamless, welded, and DOM tubing—including our trademarked ProMoly^®—designed for everything from professional racing chassis to specialized RV frameworks.

By fusing advanced metallurgy with a century of manufacturing excellence, we provide the high-strength components necessary to ensure the peak performance and long-term reliability of next-generation recreational vehicles.

Recreation Applications

ATV/UTV chassis and frame rail stock
Commercial fitness equipment frames
Marine rigging and mast hardware
Exercise equipment frames
Outdoor equipment frameworks

Tubing and Extrusions for Recreational Vehicles

The recreation market demands a strategic balance of weight reduction, uncompromising durability, and structural safety to support high-performance and leisure platforms.

Recreation Applications

ATV/UTV chassis and frame rail stock
Commercial fitness equipment frames
Marine rigging and mast hardware
Exercise equipment frames
Outdoor equipment frameworks

Plymouth^® Recreational Transportation Products

Carbon DOM Tubing

Ensure equipment safety and longevity with Plymouth^®’s carbon DOM tubing. Our precision-engineered mechanical tubing delivers the consistent structural integrity essential in recreational vehicle components components:

ATV/UTV chassis and frame rail stock
Off-road safety structures
Commercial fitness equipment frames
Bicycle frame components

ASTM A513-5: Carbon DOM Tubing Specifications

Measurement	Inches/Feet	Metric
OD Range	0.250” – 1.8750”	6.35mm – 47.63mm
Wall Range	0.025” – 0.125”	0.635mm – 3.175mm
Maximum Length	26’	7.9 m

Industry Specifications

Carbon Grades: 1010 – 1020

Stainless Steel & Carbon Steel Extrusions

Optimize the structural design of professional-grade recreational equipment with Plymouth^®’s custom stainless and carbon steel extrusions. By supplying precision near-net profiles, we help manufacturers reduce assembly weight and maximize overall frame durability for components used in demanding outdoor and marine environments.

High-performance frame components
Marine rigging and mast hardware
Exercise equipment components
Professional sporting structures
Outdoor equipment frameworks

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.

Welded Stainless Steel 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
-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

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
Stainless Steel Tubing: Austenitic, Ferritic & Duplex	EN	676 KB
Extruded Engineered Shapes and Cold Drawn Shapes	EN	406 KB
Precision Cold Drawn Net Shapes Brochure	EN	256 KB
Plymouth^® Product Catalog	EN	4 MB

Video	Watch
Drawn Over Mandrel Steel Tubing
ProMoly^® 4130 Cold Drawn Seamless Tubing
Eupora and FTS at Plymouth^® \| Manufacturing Capabilities & Facility Overview
Plymouth^® – Tubing and Shapes You Can Trust

Tubing and Extrusions for Recreational Vehicles

Tubing and Extrusions for Recreational Vehicles

Plymouth® Recreational Transportation Products

Carbon DOM Tubing

ASTM A513-5: Carbon DOM Tubing Specifications

Industry Specifications

Stainless Steel & Carbon Steel Extrusions

Carbon Steel Extruded Engineered Shapes

Stainless Steel Extruded Engineered Shapes

Welded Stainless Steel Tubing

Welded Stainless Steel Pressure Tubing

Mechanical Properties

Alloys

Downloads & Resources

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

Plymouth^® Recreational Transportation Products