MERT TEKNIK Inc. is a member of MERT Group
Mannesmann Precision Tubes, built on the legacy of the Mannesmann brothers who invented the seamless steel tube in 1885, is today a member of the Salzgitter Group and the world's leading manufacturer of precision steel tubes. Combining over a century of production expertise with state-of-the-art technology, the brand offers the highest quality seamless and welded cold-drawn precision tubes for the automotive, industrial, and energy sectors.
Symbolizing engineering excellence, the "Mannesmann" name represents a global market leader in applications requiring tight tolerances, superior surface finishes, and optimized mechanical properties. Production processes are managed with full traceability from raw material to finished product, exceeding international standards such as EN 10305.
Seamless Cold-Drawn Precision Steel Tubes: Solutions according to EN 10305-1 for hydraulic systems and mechanical applications requiring high pressure resistance and superior surface quality.
Welded Cold-Drawn Precision Steel Tubes: High-performance tubes according to EN 10305-2, combining dimensional accuracy with economic efficiency.
Hydraulic and Pneumatic Cylinder Tubes: HPS and HPZ series cylinder tubes with honed or roller-burnished internal surfaces, providing ideal smoothness for sealing elements.
Automotive Tubes: High-strength tube solutions specifically developed for chassis, steering systems, fuel injection lines, and passive safety systems.
Line Pipes: Precision tubes for hydraulic and pneumatic power circuits, phosphated or zinc-plated, suitable for bending and forming.
Hydraulics and Pneumatics: Cylinder barrels, telescopic cylinders, and hydraulic line circuits.
Automotive Industry: Shock absorbers, axle shafts, steering columns, and fuel lines.
Mechanical Engineering: Construction machinery, agricultural equipment, and industrial machinery requiring high precision.
Energy: Heat exchangers, boiler tubes, and renewable energy infrastructure.