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- Tubes for hydraulic circuits, zinc-plated or phosphated
- Phosphated or zinc-plated cold-drawn seamless precision calibrated tubing for hydraulic and pneumatic circuits requiring increased corrosion resistance.
corrosion resistance.
- Delivery tolerances: according to EN 10305-4 (ex DIN 2391) "Tubes and pipes
steel tubes for precision applications: technical delivery conditions.
- Steel type: E235 (St-35/37.4).
- Conditions of supply: +N (NBK) - Standardised.
Surface treatments:
- Internal and external phosphating.
- Electrolytic zinc plating with layer thicknesses between 8 and 25 microns and free passivating
blue or silver iridescent Cr-VI free.
Protection: end caps. Internal and external anti-rust oiling on phosphated tubes.
- Supply length: 6000mm or fixed lengths on request.
- Quality certificate: 2.2 or 3.1 according to EN 10204.