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Aerospace, Space & Defense Pressure Vessel Solutions High-altitude unmanned aerial vehicle (UAV) flying above the clouds at the edge of Earth’s atmosphere, with the planet’s curvature and dark space visible above the horizon. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_99681660.jpg Satellite orbiting Earth with large solar panels extended, above a layer of white clouds and blue atmosphere, with the Moon visible in the distant background. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_187273358.jpg Rocket on a launch pad illuminated at dusk, with a deep blue sky and vivid orange-red sunset on the horizon, surrounded by support towers and lights at a space launch facility. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_256227598-landing.jpg High-altitude unmanned aerial vehicle (UAV) showcasing Steelhead’s lightweight composite pressure vessel technology, designed for extreme reliability and performance in aerospace and defense applications. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-spacex-586032.jpg Rocket engine firing during a ground test at night, producing a bright, powerful exhaust plume of orange and purple flames with smoke and vapor illuminated by the thrust. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-586073.jpg Spacecraft docked to a space station with extended solar panels, orbiting above Earth’s atmosphere with the planet’s curved horizon visible against the blackness of space. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_842898558.jpg Smiling astronaut in a blue flight suit floating in zero gravity inside a spacecraft module, surrounded by control panels and illuminated equipment. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-spacex-586041.jpg Long-exposure photograph of a rocket launch at night, showing a bright curved arc of light rising into the sky with star trails visible against the dark background. https://www.steelheadcomposites.com/sites/default/files/2025-10/copvs-01.jpg Composite overwrapped pressure vessels (COPVs) of various sizes and materials, including Type 3 and Type 4 configurations, used for industrial and research gas storage applications. https://www.steelheadcomposites.com/industries/clean-energy-hydrogen-infrastructure 2025-11-17T13:17:26-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-10/AS_943083678.webp Clean Energy & Hydrogen Infrastructure Storage Solutions EV car, Electric car or hydrogen energy car on road midst forest and natural. https://www.steelheadcomposites.com/sites/default/files/2025-11/Steelhead-Composites-HydrogenCube-Overhead-View-Roof-Off.jpg Overhead view of modular hydrogen storage containers showing rows of composite pressure vessels and piping systems, part of a large-scale clean energy and hydrogen infrastructure installation. Overhead view of modular hydrogen storage containers showing rows of composite pressure vessels and piping systems, part of a large-scale clean energy and hydrogen infrastructure installation. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-cng-fleet.webp Red heavy-duty truck driving on a highway through open countryside, representing clean transportation and fleet applications powered by compressed natural gas or hydrogen storage solutions. https://www.steelheadcomposites.com/sites/default/files/2025-11/PXL_20240207_220806034.jpg Various composite pressure vessel liners and prototypes in different stages of fabrication displayed in a workshop, illustrating Steelhead’s advanced manufacturing for hydrogen-compatible containment systems. https://www.steelheadcomposites.com/sites/default/files/2025-11/IMG20241002100951.jpg Technician performing hydrostatic testing on a composite pressure vessel in a lab setting, demonstrating Steelhead’s recertification services that verify safety, extend vessel life, and ensure compliance with industry codes. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-ground-storage-gall-02.jpg Modular hydrogen storage containers installed at a clean energy facility, featuring integrated piping, safety systems, and Steelhead Composites branding—demonstrating scalable ground storage solutions for hydrogen infrastructure. https://www.steelheadcomposites.com/sites/default/files/2025-11/Steelhead-Composites-HydrogenCube-Pressure-Sensor.jpg Close-up of a digital pressure gauge reading over 5800 psi, connected to stainless steel fittings and valves—illustrating high-pressure testing and monitoring in Steelhead’s hydrogen storage systems. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-hydrogen-storage-04.webp Overhead view of a modular hydrogen storage unit containing multiple composite pressure vessels and interconnected piping, part of Steelhead’s high-pressure storage system for clean energy infrastructure. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-974314.jpg Expansive agricultural field with neat crop rows and rolling green hills in the background, representing the role of hydrogen storage in producing green ammonia to support sustainable agriculture and chemical manufacturing. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_787308531.webp Engineer wearing a safety vest and hard hat working on a laptop in a research facility, representing R&D efforts using compact hydrogen storage systems for testing fuel cells and advanced energy technologies. https://www.steelheadcomposites.com/sites/default/files/2025-10/copvs-01.jpg Composite overwrapped pressure vessels (COPVs) of various sizes and materials, including Type 3 and Type 4 configurations, used for industrial and research gas storage applications. https://www.steelheadcomposites.com/industries/automotive-transit-fleets 2025-11-18T09:26:47-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-10/pexels-scottwebb-136739.webp Lightweight Gas Storage Solutions for Cleaner, Smarter Fleets Blurred city bus passing a modern glass bus stop at dusk, symbolizing urban mobility and public transportation efficiency. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-large-pressure-vessels-h-fueling.webp Close-up of a hydrogen-powered bus with a composite CNG cylinder installed in the rear compartment, illustrating Steelhead’s lightweight, OEM-compatible fuel storage solutions for clean vehicle and transit applications. https://www.steelheadcomposites.com/sites/default/files/2025-11/steelhead-prototype-testing-01.jpg Technician operating testing equipment beside a pressure vessel in Steelhead’s Golden, Colorado facility, representing 100% U.S.-made Type 3 and Type 4 composite vessels built with full quality control and Buy America compliance. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-large-pressure-vessel.jpg Composite fiber overwrapping in progress on a cylindrical tank during manufacturing, illustrating Steelhead’s process for converting heavy metal tanks into lightweight, high-strength composite pressure vessels for fleet efficiency. https://www.steelheadcomposites.com/sites/default/files/2025-11/water-jacket-proof-chamber.jpg Close-up of a CNG cylinder undergoing hydrostatic testing in a water jacket proof chamber, representing Steelhead’s inspection and recertification services that keep legacy fuel systems compliant and fleet assets in service. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-cng-landing-02.webp Close-up of a compressed natural gas (CNG) vehicle being refueled at a station, illustrating clean and efficient fueling technology for automotive and transit fleet applications. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_312813269.webp Close-up of compressed natural gas (CNG) cylinders mounted on a heavy-duty vehicle, representing Steelhead’s drop-in replacement solutions that upgrade aging systems to modern, lightweight composite pressure vessels. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_125743208.webp City transit bus powered by compressed natural gas (CNG), representing Steelhead’s reliable and efficient CNG cylinder solutions for municipal, school, and commercial fleet applications. https://www.steelheadcomposites.com/sites/default/files/2025-10/landing-cng-02.jpg Steelhead Composites DOT- and NGV2-certified 16-inch 3600 psi CNG storage cylinder for on-board vehicle use, shown with integrated valve assembly. https://www.steelheadcomposites.com/industries/sporting-goods-and-high-performance-applications 2025-11-18T09:28:48-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-10/AS_110861591.webp Sporting Goods & High-Performance Pressure Vessel Solutions Race car racing at high speed https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-pspov-3113227.webp Scuba diver underwater using a compact composite breathing air tank, representing Steelhead’s lightweight, DOT-compliant COPVs for portable gas storage in life-support and high-performance applications. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-13641535.jpg High-speed Formula 1 race car on a track, representing Steelhead’s lightweight composite accumulators engineered for high-performance systems that demand rapid response and minimal weight. https://www.steelheadcomposites.com/sites/default/files/2025-11/sc-burst-testing-rig.jpg Composite pressure vessel secured inside a controlled burst testing rig, illustrating Steelhead’s recertification and testing services that maintain DOT compliance and extend vessel service life in regulated applications. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_110861591-landing.jpg High-speed race car on a track at night, captured with motion blur to convey speed and performance—representing Steelhead’s lightweight composite vessels used in advanced motorsports and high-performance applications. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-3098979.jpg Diver surfacing near dive boats in open water, representing Steelhead’s lightweight composite pressure vessels used in the Avelo Dive System for enhanced underwater mobility, buoyancy control, and diver comfort. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-30923616.jpg White supercar driving at high speed through a city at night, representing Steelhead’s lightweight composite accumulators used in elite motorsport and OEM vehicles to enhance suspension, braking, and energy recovery performance. https://www.steelheadcomposites.com/sites/default/files/2025-11/pexels-253748173-12648103.jpg High-performance powerboat racing across the water at high speed, representing Steelhead’s compact, durable composite pressure vessels trusted by competitive water sport teams for reliability under extreme conditions. https://www.steelheadcomposites.com/sites/default/files/2025-10/shc-cng-06.jpg Close-up of a compact composite overwrapped pressure vessel (COPV) with integrated valve assembly, designed for compressed natural gas (CNG) or hydrogen fuel storage applications. https://www.steelheadcomposites.com/industries/industrial-research-applications 2025-11-18T09:29:34-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-10/shc-ground-storage-gall-02.jpg Modular hydrogen storage and delivery units installed outdoors at an industrial site, featuring Steelhead Composites systems connected by gas piping. https://www.steelheadcomposites.com/sites/default/files/2025-10/AS_989809007.webp Industrial & Research Pressure Vessel Applications Engineer operating a robotic welding system in an industrial lab, wearing safety gear and controlling the process with a handheld device under bright blue arc light. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-ground-storage-gall-01.jpg Steelhead ground-mounted composite pressure-vessel storage modules deployed at an industrial energy site, showing stationary high-capacity gas and hydrogen storage containers integrated with facility infrastructure, with vent stacks and utility connections visible under a partly cloudy sky. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-mobile-gall-03.jpg Steelhead skid-mounted composite pressure vessel module featuring multiple vertically oriented COPVs secured within a reinforced steel frame, designed for safe transport and deployment of compressed gases for industrial, energy, and field operations. https://www.steelheadcomposites.com/sites/default/files/2025-11/water-jacket-proof-chamber-getting-loaded-.jpg Technician loading a composite pressure vessel into a water-jacket proof-testing chamber inside a manufacturing test facility, preparing the cylinder for hydrostatic validation as part of certification and performance verification. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_989809007-landing.jpg Engineer operating an automated robotic welding system in an industrial lab, representing advanced manufacturing and research applications supported by Steelhead’s certified composite gas storage solutions. https://www.steelheadcomposites.com/sites/default/files/2025-11/shc-small-pressure-vessels-medical.webp Field-deployed military support site with interconnected environmental control units, power distribution panels, and tented medical or operations shelters, illustrating the type of mobile infrastructure where Steelhead composite pressure vessels integrate into defense breathing-air and hydrogen generation systems. https://www.steelheadcomposites.com/sites/default/files/2025-11/AS_1548596511.jpg Aerial view of an industrial facility with cooling towers, storage tanks, piping networks, and 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2025-07-24T12:27:46-06:00 0.5 https://www.steelheadcomposites.com/home 2026-08-23T16:49:18-06:00 0.5 https://www.steelheadcomposites.com/about/policies-certifications/environmental-policy 2025-07-24T12:27:21-06:00 0.5 https://www.steelheadcomposites.com/why-hydrogen 2026-08-23T10:20:39-06:00 0.5 https://www.steelheadcomposites.com/products/steelhead-value-support 2025-07-24T11:28:51-06:00 0.5 https://www.steelheadcomposites.com/about/policies-certifications 2025-07-24T13:20:57-06:00 0.5 https://www.steelheadcomposites.com/contact/aerospace-engineering 2026-08-23T15:16:00-06:00 0.5 https://www.steelheadcomposites.com/contact/aerospace-engineering/received 2026-07-20T10:17:20-06:00 0.5 https://www.steelheadcomposites.com/commercial-pressure-vessels 2026-08-19T18:33:45-06:00 0.5 https://www.steelheadcomposites.com/node/479 2026-08-10T11:43:15-06:00 0.5 https://www.steelheadcomposites.com/node/481 2026-08-10T18:34:56-06:00 0.5 https://www.steelheadcomposites.com/about/why-steelhead 2026-08-21T22:29:17-06:00 0.5 https://www.steelheadcomposites.com/blog/csu-energy-institute-and-steelhead-composites-boost-filling-pressures 2024-09-26T08:39:15-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/CSU-Steelhead-Hydrogen-Pressure-Booster-Project2-1-scaled_0.jpg Booster Project https://www.steelheadcomposites.com/blog/steelhead-composites-receives-asme-certification-fiber-reinforced-plastic-pressure-vessels 2023-11-13T22:06:33-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Vertical-Configuration-for-20ft-Container-1-1500x973.png Container https://www.steelheadcomposites.com/sites/default/files/2023-11/Hydrogen-Cube-Illustration-Isolated-800p_0.png Hydrogen Cube https://www.steelheadcomposites.com/blog/steelhead-composites-and-graphmatech-developing-improved-hydrogen-tanks-graphene 2023-11-13T21:58:50-07:00 0.5 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Smith https://www.steelheadcomposites.com/blog/vertical-axis-wind-turbine 2023-11-14T03:10:26-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/vwat.jpg VWAT https://www.steelheadcomposites.com/sites/default/files/2023-11/vwat2-225x300.jpg VWAT 2 https://www.steelheadcomposites.com/blog/kevlar-copv 2023-11-14T03:11:28-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/DSC_0785.edit_-1030x579.jpg DSC https://www.steelheadcomposites.com/blog/steelhead-and-suspension-systems 2023-11-14T03:13:18-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Diaphragm-600x400.jpg Diaphragm https://www.steelheadcomposites.com/sites/default/files/2023-11/Citroen.jpg Citroen https://www.steelheadcomposites.com/blog/traditional-steel-vs-shc-copv 2023-11-14T05:10:24-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/4.25.19-1030x773.jpg 4.25.19 https://www.steelheadcomposites.com/blog/iso-140012015-faqs 2023-11-14T05:16:35-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/ISO-14001.png ISO 14001 https://www.steelheadcomposites.com/blog/leak-burst-type-3-composite-pressure-vessels 2023-11-14T05:18:54-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/A4.jpg A4 https://www.steelheadcomposites.com/sites/default/files/2023-11/A5.jpg A5 https://www.steelheadcomposites.com/blog/pressure-vessel-certification-faqs 2023-11-14T05:30:07-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/DSC_0522-1030x660.jpg DSC https://www.steelheadcomposites.com/blog/see-you-hannover 2023-11-14T05:32:35-07:00 0.5 https://www.steelheadcomposites.com/blog/bring-your-kid-work-day 2023-11-14T05:34:54-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/LI1-1030x685.jpg LI1 https://www.steelheadcomposites.com/blog/xy-spinning-vs-oscillating 2023-11-14T05:37:04-07:00 0.5 https://www.steelheadcomposites.com/blog/270-l-hydrogen-cylinders-gas-transport-fuel-cell 2023-11-14T05:41:15-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/LI-1030x734.jpg LI https://www.steelheadcomposites.com/blog/spin-forming-stainless-steel 2023-11-14T05:42:45-07:00 0.5 https://www.steelheadcomposites.com/blog/faqs-why-call-company-steelhead-isnt-steelhead-coastal-fish-isnt-steel-heavy-and-composites 2023-11-14T05:43:56-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/SHC-.jpg SHC https://www.steelheadcomposites.com/blog/manufactures-edge-video-steelhead-composites 2023-11-14T06:12:09-07:00 0.5 https://www.steelheadcomposites.com/blog/top-advancer-award 2023-11-14T06:14:10-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/ext-1-766x1030.jpg EXT https://www.steelheadcomposites.com/blog/meet-paul 2023-11-14T06:15:15-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Paul-844x1030.jpeg Paul https://www.steelheadcomposites.com/blog/turkey-tank-tom-goes-boom 2023-11-14T06:20:16-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/DSC_0441.edit_-796x1030.jpg DSC https://www.steelheadcomposites.com/blog/industrial-glitter 2023-11-14T06:23:07-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/DSC_0438-1030x685.jpg DSC https://www.steelheadcomposites.com/blog/turkey-tank-tom 2023-11-14T06:26:04-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/DSC_0441.edit_-796x1030_0.jpg DSC https://www.steelheadcomposites.com/blog/golden-time-capsule 2023-11-14T06:30:13-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Golden.Timecapsule-1030x689.jpg Golden Time Capsule https://www.steelheadcomposites.com/sites/default/files/2023-11/Golden.Time_.Capsule.11.2018.jpg Golden Time Capsule 2 https://www.steelheadcomposites.com/blog/functional-hydraulic-pumpkin 2023-11-14T06:32:32-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/pumpkinshell-300x169.jpeg Pumpkin https://www.steelheadcomposites.com/sites/default/files/2023-11/Pumpkin2-300x169.jpeg Pumpkin 2 https://www.steelheadcomposites.com/sites/default/files/2023-11/DSC_0431.edit_-1030x685.jpg Pumpkin 3 https://www.steelheadcomposites.com/news/steelhead-composites-attends-colorado-hydrogen-day-sunday-october-6th-2024 2025-08-08T11:22:40-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024.webp Colorado Hydrogen Day 2024 Toyota Murai Hydrogen Powered https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024-2.webp Colorado Hydrogen Day 2024 Nikola Hydrogen-Powered Semi Truck https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024-3.webp Colorado Hydrogen Day 2024 Steelhead Booth https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024-4.webp Colorado Hydrogen Day 2024 - Electric Green Trailer with Hydrogen Tanks https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024-5.webp ElectricGreen Trailer with Steelhead COPV Hydrogen Tanks https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024-6.webp Hyundai Hydrogen-Powered Vehicle https://www.steelheadcomposites.com/sites/default/files/2024-10/Colorado-Hydrogen-Day-2024-7.webp Colorado Hydrogen Day 2024 Exhibitors Partial https://www.steelheadcomposites.com/sites/default/files/2025-04/Colorado-Hydrogen-Day-2024.jpg Colorado Hydrogen Day 2024 https://www.steelheadcomposites.com/press-release/steelhead-composites-announces-pressure-vessel-recertification-service 2025-04-10T13:43:17-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-04/Vessel-Retesting-Area_1.webp Pressure Vessel, Tank, Cylinder Recertification Area https://www.steelheadcomposites.com/sites/default/files/2025-04/Vessel-Retesting-Area_3.webp Pressure Vessel Recertification Services Area https://www.steelheadcomposites.com/news/mission-land-air-sea 2025-08-08T11:54:26-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/Avelo-Dive-Center-Locations.webp Avelo Dive Center Locations Around The Globe https://www.steelheadcomposites.com/sites/default/files/2025-08/SH24%20Hydrotanks%20small.jpg Hydrotanks Ready for Shipment https://www.steelheadcomposites.com/blog/fiber-translation-services-supplies 2025-08-15T10:10:23-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/Type3STEBAluminum.jpg Aluminum STEB Liner https://www.steelheadcomposites.com/sites/default/files/2025-08/Type4STEBHDPE.jpg HDPE STEB Liner https://www.steelheadcomposites.com/sites/default/files/2025-08/AluminumSTEBbottles.jpg Aluminum STEB Bottles https://www.steelheadcomposites.com/services/advanced-liner-fabrication 2025-08-29T12:03:44-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2024-04/sc-metallic-spin-forming-banner2.webp Automated machining process with thermal forming inside a pressure vessel liner during advanced fabrication at Steelhead Composites. https://www.steelheadcomposites.com/sites/default/files/2025-01/Liners-Production-batch.webp Seamless aluminum liners (Type 3) at Steelhead Composites—precision-formed to provide the leak-free, durable foundation for composite pressure vessels. Stacks of seamless aluminum liners (Type 3) prepared for composite overwrapping in advanced pressure vessel fabrication. https://www.steelheadcomposites.com/sites/default/files/2025-08/sc-type-4-liner-01.jpg A Type IV polymer liner in fabrication at Steelhead Composites—lightweight, durable, and engineered for long-term reliability in high-pressure vessel applications. Type IV polymer liner mounted on a metal support frame during the Advanced Liner Fabrication process, showing its smooth cylindrical shape with rounded ends and metallic fittings. https://www.steelheadcomposites.com/sites/default/files/2025-01/Polymeric-Liner-Forming.webp Steelhead’s polymeric liner rotomolding machine—engineered to produce seamless, high-performance polymer liners for Type IV composite pressure vessels. Polymeric liner rotomolding machine at Steelhead Composites, used to manufacture seamless polymer liners for advanced pressure vessels. https://www.steelheadcomposites.com/sites/default/files/2025-08/sc-type-4-liner-02.jpg Type IV polymer liners and fabrication molds at Steelhead Composites—showcasing the versatility and precision of our advanced liner manufacturing process. Various Type IV polymer liners and metal molds in different sizes displayed inside the Advanced Liner Fabrication facility at Steelhead Composites. https://www.steelheadcomposites.com/sites/default/files/2025-08/Steelhead-Composites-HydrogenCube-Pressure-Sensor.webp Precision instrumentation and pressure testing at Steelhead Composites—delivering accuracy and reliability for both high-pressure vessels and custom polymer containers. Steelhead Composites instrumentation and pressure testing equipment, highlighting precision engineering applied to both pressure vessels and custom polymer containers for non-pressurized storage, transport, and industrial applications. https://www.steelheadcomposites.com/sites/default/files/2023-11/metal-spin-forming.webp Automated machining process with thermal forming inside a pressure vessel liner during advanced fabrication at Steelhead Composites. https://www.steelheadcomposites.com/sites/default/files/2025-08/Steelhead-Composites-HydrogenCube-Overhead-View-Roof-Off_0.jpg Overhead view of Steelhead Composites’ HydrogenCube energy storage containers with the roof removed, showing rows of integrated composite pressure vessels, piping, and fittings at an industrial installation site. https://www.steelheadcomposites.com/sites/default/files/2025-08/shc-cng-landing-01.webp CNG vehicle refueling: Steelhead Composites clean energy application with a compressed natural gas (CNG) fueling nozzle connected to a white vehicle at a refueling station. https://www.steelheadcomposites.com/sites/default/files/2025-08/pexels-spacex-586056.webp Steelhead Composites aerospace application showing a spacecraft in orbit above Earth, supported by high-integrity composite liners for propulsion, life-support, and other flight-critical systems. https://www.steelheadcomposites.com/sites/default/files/2025-08/pexels-zeleboba-5554948.webp Steelhead Composites specialized liners supporting high-purity gas delivery for ultra-clean environments in semiconductor, medical, and research systems. https://www.steelheadcomposites.com/services/prototype-testing-asd-testing 2025-08-29T11:25:08-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/testing-banner2.webp Engineer using a 3D scanning arm to measure a pressure vessel prototype, ensuring precision and compliance with aerospace and defense testing standards. https://www.steelheadcomposites.com/sites/default/files/2023-11/testing01.webp Engineer using a 3D scanning arm to measure a pressure vessel prototype, ensuring precision and compliance with aerospace and defense testing standards. https://www.steelheadcomposites.com/sites/default/files/2025-08/Steelhead-Burst-Chamber.jpg Steelhead’s burst chamber enables controlled testing of pressure vessels, validating performance and safety for aerospace, defense, and industrial applications. Steelhead Composites burst chamber used for prototype and aerospace testing of high-pressure vessels under controlled failure conditions. https://www.steelheadcomposites.com/sites/default/files/2025-08/cycle-testing.webp Cycle testing a composite pressure vessel under precisely controlled conditions, with pressures up to 10,000 psi, electronic temperature monitoring, and multi-vessel capability. Composite pressure vessel connected to a high-pressure cycle tester for validation at up to 10,000 psi with precise pressure control and electronic monitoring. https://www.steelheadcomposites.com/sites/default/files/2025-08/material_testing_services-02.webp Composite pressure vessel undergoing materials testing with advanced instrumentation, including strain gauges, DSC analysis, and 3D scanning for CAD-accurate verification. Composite pressure vessel inside a materials testing chamber at Steelhead Composites, used with a 2,200 lb Instron Load Frame, strain gauges, DSC, and 3D laser scanning for ASTM-compliant mechanical testing. https://www.steelheadcomposites.com/sites/default/files/2025-08/sc-burst-testing-rig.jpg Steelhead Composites burst testing rig, capable of pressures up to 30,000 psi, with full data acquisition for strain, pressure, and failure analysis. Composite pressure vessel positioned inside Steelhead Composites’ burst testing rig, rated to 30,000 psi, with strain gage mounting and continuous pressure vs. strain data collection. https://www.steelheadcomposites.com/sites/default/files/2025-08/pexels-pixabay-256297.webp Rocket stages under assembly in a spacecraft production facility, representing S-081 and S-080 qualification testing of pressure vessels for propulsion, life-support, and pressurization systems. https://www.steelheadcomposites.com/sites/default/files/2025-08/cng02-a.webp Stack of composite pressure vessels prepared for comparative testing, supporting performance benchmarking of weight, strength, and cost in aerospace applications. https://www.steelheadcomposites.com/sites/default/files/2025-08/Engineered_Plastic_STEB_Liner.webp Polymer pressure vessel liner prepared for material evaluation, testing liner materials, overwraps, and bonding systems for compatibility with gases and environments. https://www.steelheadcomposites.com/sites/default/files/2025-08/pexels-johnboy-13228797.webp Close-up of a rocket engine stage with complex piping and pressure vessels, representing post-test and post-mission failure analysis to guide design improvements. https://www.steelheadcomposites.com/services/pressure-vessel-recertification 2025-08-29T12:55:13-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-04/Vessel-Retesting-Area_0.webp Pressure vessel retesting area at Steelhead Composites, where tanks and cylinders undergo inspection and recertification to meet strict safety and regulatory standards. https://www.steelheadcomposites.com/sites/default/files/2025-04/Vessel-Recertification-Services-Area.webp Recor Test 4 Open Workstation enables precise recertification of pressure vessels through automated testing, ensuring compliance with DOT, ISO, and industry standards. Recor Test 4 Open Workstation at Steelhead Composites, used for pressure vessel recertification with hydrostatic testing, inspection, and certification. https://www.steelheadcomposites.com/sites/default/files/2025-04/Recertification-Vessels%20copy_1.webp Visual inspection identifies wear, corrosion, or damage on composite and metal vessels, ensuring only safe, compliant cylinders move forward in the recertification process. Assorted composite and metal pressure vessels prepared for visual inspection, showing variations in size, material, and condition before recertification. https://www.steelheadcomposites.com/sites/default/files/2025-08/water-jacket-proof-chamber_0.jpg Ultrasonic and non-destructive testing evaluate vessel wall thickness and structural integrity without causing damage, ensuring continued safety and compliance. Close-up of a pressure vessel secured in Steelhead’s water jacket proof chamber, prepared for hydrostatic and non-destructive testing. https://www.steelheadcomposites.com/sites/default/files/2025-08/water-jacket-proof-chamber-getting-loaded-.jpg Hydrostatic testing pressurizes vessels with water to validate burst strength and confirm leak-tight performance, ensuring safety under high-pressure conditions. Technician loading a composite pressure vessel into a water jacket proof chamber for hydrostatic testing during recertification. https://www.steelheadcomposites.com/sites/default/files/2025-08/AS_787308531.webp Documentation & Certification: Complete packages include test results, inspection reports, and updated certification labels, ensuring vessels remain compliant and service-ready. Engineer reviewing certification data on a laptop, ensuring complete documentation of test results, inspection reports, and compliance records. https://www.steelheadcomposites.com/sites/default/files/2025-04/Vessel-Retesting-Area.webp Steelhead Composites recertification facility with retesting area for pressure vessels, tanks, and cylinders, ensuring compliance and extended service life. https://www.steelheadcomposites.com/sites/default/files/2025-08/AS_464636038.jpg High-pressure gas cylinder mounted on a commercial truck, illustrating DOT-SP recertification for safe transport and storage compliance. https://www.steelheadcomposites.com/sites/default/files/2025-08/shc-hydrogen-storage-04.webp Containerized bank of high-pressure gas vessels for hydrogen storage and delivery, requiring DOT-certified recertification for safe transport and use. https://www.steelheadcomposites.com/sites/default/files/2025-08/AS_225368919.webp Closeup of emergency breathing system with cylinders, valves, and tubing, highlighting SCBA recertification for safety and compliance in critical applications. https://www.steelheadcomposites.com/sites/default/files/2025-08/pexels-pspov-3113227.webp Scuba diver underwater with breathing tank, illustrating SCUBA recertification to extend service life and ensure safety for diving, rescue, and marine research. https://www.steelheadcomposites.com/sites/default/files/2025-08/AS_312813269.webp Compressed natural gas (CNG) cylinders mounted on a vehicle, illustrating the need for recertification to support safe fleet operation and compliance. https://www.steelheadcomposites.com/sites/default/files/2025-08/AS_125743208.webp City transit bus powered by compressed natural gas (CNG), representing fleet inspection programs that ensure long-term safety and regulatory compliance. https://www.steelheadcomposites.com/about/team/andrew-coors 2023-11-27T06:13:04-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Andrew-Coors-300x300.png Andrew Coors https://www.steelheadcomposites.com/about/team/john-cronin 2023-11-27T06:11:59-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/John-Cronin-300x300.png John Cronin https://www.steelheadcomposites.com/about/team/josh-varn 2023-11-27T06:20:12-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Josh-Varn-300x300.png Josh Varn https://www.steelheadcomposites.com/about/team/troy-motley 2023-11-27T06:21:53-07:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2023-11/Troy-Motley-300x300.png Troy Motley https://www.steelheadcomposites.com/about/team/paul-fabian 2025-03-27T14:59:11-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-03/Paul-Fabian-300x300.webp Paul Fabian - Director of Product Testing https://www.steelheadcomposites.com/about/team/candice-flanders 2025-03-31T09:54:36-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-03/Candice-Flanders-300x300.webp Candice Flanders - Account Manager https://www.steelheadcomposites.com/about/team/mickey-salva 2025-03-27T15:30:24-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-03/Mickey-Salva-300x300.webp Mickey Salva - Engineering Manager https://www.steelheadcomposites.com/products/order/inquiry-received 2025-08-03T16:53:21-06:00 0.5 https://www.steelheadcomposites.com/copyright-notice 2026-04-28T09:48:48-06:00 0.5 https://www.steelheadcomposites.com/products/order/17-inch-5000-psi-350-bar-type-iii-family 2025-08-04T10:26:53-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-17_inch_5000_psi__350_bar__Type_III.webp Close-up view of a 17 inch 5000 psi (350 bar) Type III Family Pressure Vessel showing large port fitting for high-pressure gas transfer and ground storage applications. https://www.steelheadcomposites.com/products/order/13-inch-5000-psi-350-bar-type-iii-family 2025-08-04T10:23:35-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-large-03.webp Close-up of multiple Steelhead Composites 13-inch 5000 psi Type III pressure vessels with large port openings, designed for high-pressure gas transport and storage. https://www.steelheadcomposites.com/products/order/type-iii-custom-space-rocket-or-defense 2025-08-04T10:16:49-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-Type_III_Custom_Space_Rocket_or_Defense.webp Type III Custom Space, Rocket or Defense gas and hydrogen cylinder featuring carbon fiber overwrap and dual ports for high-pressure aerospace and defense applications. https://www.steelheadcomposites.com/products/order/12-inch-6000-psi-414-bar-type-iii-family 2025-08-04T10:13:10-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-12-inch-6000psi-Type-III.webp 12-inch 6000 psi (414 bar) Type III hydrogen pressure vessel from Steelhead Composites, featuring carbon fiber overwrap and extra-large port for high-pressure gas storage. https://www.steelheadcomposites.com/products/order/3000-psi-207-bar-type-iii-kevlar-family 2025-08-04T10:05:12-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-3000psi-Type-III-Kevlar.webp 3000 psi (207 bar) Type III Kevlar Family hydrogen vessel https://www.steelheadcomposites.com/products/order/3000-psi-207-bar-type-iii-carbon-family 2025-08-04T10:40:30-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-spv_2.webp Steelhead Composites 3000 psi Type III carbon pressure vessels in various sizes, designed for lightweight, high-performance gas storage applications. https://www.steelheadcomposites.com/products/order/7-inch-9l-1-port-350-bar-and-500-bar-family 2025-08-04T09:57:06-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-7_inch_9L_1_port_350_bar_and_500_bar.webp Carbon fiber-wrapped 7-inch 9L single-port composite pressure vessel for high-pressure gas storage, ideal for UAV, H₂ fuel, and blowdown system applications. https://www.steelheadcomposites.com/products/order/aluminum-fiber-translation-liner 2025-08-04T09:50:50-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-Aluminum_Fiber_Translation_liner.webp Aluminum Fiber Translation liner for STEB testing and fiber evaluation, shown with a raw metallic surface and dual-port design for small pressure vessel applications. https://www.steelheadcomposites.com/products/order/engineered-plastic-steb-liner 2025-08-04T10:37:22-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/landing-Engineered_Plastic_STEB_Liner.webp Engineered plastic STEB liner for fiber evaluation and composite testing, shown with threaded metallic end fittings for small pressure vessel applications. https://www.steelheadcomposites.com/products/order/11-inch-3600-psi-cng-storage 2025-08-05T18:46:42-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/Compact-11-inch-3600-psi-CNG-1400.jpg Compact 11-inch 3600 psi CNG cylinder with valve assembly, certified to DOT and NGV2 standards for on-board storage in natural gas-powered vehicles. https://www.steelheadcomposites.com/products/order/16-inch-3600-psi-cng-storage 2025-08-04T10:37:54-06:00 0.5 https://www.steelheadcomposites.com/sites/default/files/2025-08/shc-cng-homepage-teaser-02.webp DOT- and NGV2-certified 16-inch 3600 psi CNG storage cylinder for on-board vehicle use, shown with integrated valve assembly. https://www.steelheadcomposites.com/ 2026-08-23T16:49:18-06:00 daily 1.0 https://www.steelheadcomposites.com/products/order 0.5