Image of a corrosion-resistant MW-protect precision steel tube

Corrosion-resistant HPL tubes - MW-protect®HPL tubes – MW‑protect®

Mannesmann HPL tubes are seamless, cold-drawn precision steel tubes designed for use as pressure lines in hydraulic and pneumatic systems. With MW-protect®, we offer optional, standard-compliant corrosion protection that makes our HPL tubes even more durable.

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BenefitsHPL tubes with MW-protect®

Proven resistance

To white rust (≥ 600 hours) and red rust (≥ 1,000 hours) in salt spray testing according to DIN EN ISO 9227 (straight tubes, E235/E355)

Wide range of dimensions

For precision steel tubes with outer diameters from 6 to 42 mm (0.236 - 1.653 inches) and wall thicknesses from 1 to 5 mm (0.038 - 0.196 inches)

Compliant with standard

Seamless precision steel tubes in accordance with DIN EN 10305-4 for hydraulic and pneumatic systems and surface protection with test according to DIN EN ISO 9227 in connection with DIN EN ISO 2081

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Petra Steffen

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Dr. Johannes Boes

Head of Technical Customer Support
Technical Sales & Engineering

High-Pressure Precision Steel TubesMANNESMANN HPL +N DURO LCF

HPL +N DURO LCF represents a new generation of high-pressure precision steel tubes. This lightweight material was specifically designed for low-cycle fatigue and offers impressive fatigue strength even under extreme pressure spikes. Ideal for demanding hydraulic applications where weight, installation space, and service life are critical.

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