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INDUSTRY
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Automobile

Precision cold-drawn seamless tubes for chassis components, drive shafts, steering columns, shock absorbers, fuel injection lines, and exhaust systems in automotive and commercial vehicle manufacturing.
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AUTOMOTIVE SEAMLESS TUBING

Precision tubes for every vehicle system.

Global Seamless supplies cold-drawn precision tubes to automotive OEMs and Tier-1 suppliers for critical vehicle components. Our CDS tubes deliver the tight tolerances, surface finish, and mechanical properties that automotive applications demand — from high-strength 4130 chassis tubes to precision-bore hydraulic cylinder tubes for commercial vehicles.
All automotive tubes are manufactured to EN 10305, DIN 2391, and ASTM A519 with 100% eddy current testing and dimensional certification on every lot.
PRODUCTS FOR AUTOMOTIVE

From chassis to drivetrain.

Mechanical & Structural

A519 and EN 10305 tubes for chassis, roll cages, and structural members.
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Hydraulic Cylinder Tubes

Honed and SRB bore tubes for hydraulic actuators in commercial vehicles.
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Cold Drawn Seamless

Precision CDS tubes for drive shafts, steering columns, and fuel lines.
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Carbon Steel Seamless

General carbon steel tubes for exhaust, brackets, and structural applications.
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Hot Finished Seamless

HFS mother tubes for axles, propeller shafts, and heavy-duty components.
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Fluid Pipes

Seamless pipes for coolant, brake fluid, and compressed air systems.
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SEGMENTS WE SERVE

Passenger · commercial · off-highway.

Passenger Vehicles

✓   Steering column tubes
✓   Shock absorber cylinders
✓   Fuel injection lines
✓   Exhaust system tubing
✓   Seat frame structural tubes

Commercial Vehicles

✓   Chassis cross-members
✓   Hydraulic tipping cylinders
✓   Propeller shaft tubes
✓   Air brake piping
✓   Trailer and body structural tubes

Off-Highway

✓   Excavator boom cylinders
✓   Loader arm structural tubes
✓   Crane telescopic sections
✓   Agricultural implement tubes
✓   Roll cage and ROPS tubing
H8
Bore Tolerance
CDS
Precision Process
100%
ECT Tested
4130
High-Strength Alloy
MANUFACTURING

Mansfield, Louisiana.

Global Seamless operates a US manufacturing facility in Mansfield, Louisiana — strategically located in a key energy hub serving the Gulf Coast refineries, midstream pipeline operators, and upstream drilling operations with reduced lead times and local inventory. The facility spans over 300,000 sq. ft. with 60,000 MT annual capacity.
✓   Hot finishing and cold drawn manufacturing in-house
✓   API 5CT casing and tubing from local stock
✓   API 5L line pipe with domestic MTCs
✓   Buy American / USMCA compliant supply
✓   Accu rolling mill, bright annealing, and finishing
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GET A QUOTE

Sourcing tubes for automotive manufacturing?

Send us your tube drawing, tolerance requirements, and annual volumes. We respond with a technical and commercial proposal within 24 hours.
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