Space Propulsion

Tubing and Extrusions for Space Applications

In space propulsion systems, material performance directly affects component reliability and efficiency, and the proven quality of Plymouth^® products ensure these systems function at peak performance. Across launch vehicles, satellites, and spacecraft propulsion architectures, Plymouth^® materials are selected to meet industry standards for strength, corrosion resistance, thermal stability, and long-term reliability in the harsh conditions of space.

Space propulsion components constructed using our tubing and extrusions include:

Propellant feed lines
Pressurization systems
Propulsion cooling circuits
Instrumentation lines
Launch Pads
Space Suits
Supply and air tubes
Clean room components
Structural components

Tubing and Extrusions for Space Applications

Space propulsion components constructed using our tubing and extrusions include:

Propellant feed lines
Pressurization systems
Propulsion cooling circuits
Instrumentation lines
Launch Pads
Space Suits
Supply and air tubes
Clean room components
Structural components

Plymouth^® Products Used for Space Propulsion

Stainless Steel & Carbon Steel Extrusions

Our steel extrusions are expertly engineered using premium materials to have the dimensional consistency required for space propulsion equipment and critical structural components.

Stainless Steel & Carbon Steel Engineered Shapes Specifications

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’s same strength-to-weight ratio and fatigue resistance is used to manufacture space propulsion components requiring long-term performance and strength with lower weight.

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

A century of engineering knowledge goes into our seamless steel tubing to ensure it meets the requisite safety standards and performance requirements for use in space propulsion systems and safety-critical components.

Seamless Aerospace Tubing Specifications

Aircraft Specifications	Grades	OD Range	Wall Range	Maximum 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

Seamless Nickel Alloy Tubing

The quality and dimensional control of our seamless nickel tubing provides top-tier performance for space propulsion components in environments with sustained heat, high stress, and corrosive materials.

Seamless Nickel Alloy Aerospace Tubing Specifications

Aircraft Specifications	Grades	OD Range	Wall Range	Maximum 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

Welded Nickel Alloy Tubing

Plymouth^®’s welded nickel alloy tubing provides the same high-performance specifications of our seamless nickel tubing for an optimal value. This gives manufacturers a cost-effective, high-quality product able to withstand high-stress space propulsion applications.

Welded & Drawn Aerospace Tubing Specifications

Aircraft Specifications	Grades	OD Range	Wall Range	Maximum 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.

Welded Stainless Steel Tubing

The strength, reliability, and value of Plymouth^®’s welded steel tubing is widely used in the space propulsion market to deliver exceptional performance and compliance with safety standards.

Welded & Drawn Aerospace Tubing Specifications

Aircraft Specifications	Grades	OD Range	Wall Range	Maximum 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

Downloads & Resources

File	Language	Size
Extruded Engineered Shapes and Cold Drawn Shapes	EN	406 KB
Precision Cold Drawn Net Shapes Brochure	EN	256 KB
Aerospace Tubing Sell Sheet	EN	989 KB
Aerospace Nearer to Net Titanium and Steel Extrusions	EN	399 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 for Space Applications

Tubing and Extrusions for Space Applications

Plymouth® Products Used for Space Propulsion

Stainless Steel & Carbon Steel Extrusions

Stainless Steel & Carbon Steel Engineered Shapes Specifications

Carbon Steel Extruded Engineered Shapes

Stainless Steel Extruded Engineered Shapes

Titanium Extrusions

Titanium Extrusion Specifications

Seamless Stainless Steel Tubing

Seamless Aerospace Tubing Specifications

Mechanical Properties

Alloys

Seamless Nickel Alloy Tubing

Seamless Nickel Alloy Aerospace Tubing Specifications

Welded Nickel Alloy Tubing

Welded & Drawn Aerospace Tubing Specifications

Welded Stainless Steel Tubing

Welded & Drawn Aerospace Tubing Specifications

Mechanical Properties

Alloys

Downloads & Resources

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

Plymouth^® Products Used for Space Propulsion