(Ø 19,05 mm - FINS H.6,35 mm) IN CUPRONICKEL 70/30 - C71500 FINS IN BRASS


(Ø 88,9 mm - FINS H.25,4 mm) IN CUPRONICKEL 90/10 - C70600


(Ø 19,05 mm - FINS H.6,35 mm) IN CUPRONICKEL 70/30 - C71500 FINS IN CUPRONICKEL 70/30


(Ø 26,7 mm – FINS H.10,46 mm) IN CUPRONICKEL 90/10 - C70600 FINS IN YELLOW BRASS

Copper-nickel (also known as cupronickel) alloys are widely used for marine applications due to their excellent resistance to seawater corrosion, low macrofouling rates, and good fabricability. They have provided reliable service for decades while offering effective solutions to today’s technological challenges.The addition of nickel to copper improves strength and corrosion resistance while allowing the alloy to remain ductile. Other elements can be added to copper-nickel to increase strength, corrosion resistance, hardening, weldability and castability.

90-10 copper-nickel (C70600, CW352H), an alloy with 90% copper and 10% nickel, is the most commonly used alloy. It can be found in naval and commercial shipping, offshore oil and gas production as well as desalination and power generation. Alloys with 30% nickel content (C71500, C71640) and those which are more highly alloyed with aluminum, chromium or tin are used where greater resistance to seawater flow, sand abrasion, wear and galling, as well as higher mechanical properties, are required.

We manufacture longitudinally finned pipes in cupronickel alloys 70/30 or 90/10 but our Core Product is in Cupronickel 70/30 materials, both base tubes and fins. Possible materials combinations are also the following: base tube Cupronickel 70/30 – 90/10 to fins: Cupronickel 70/30 – 90/10, Copper, Brass, Aluminum brass.

The welding technique is brazing. Following some further information:

Technical Product Sheet:

  • Tube OD range

    from 16 mm OD to 89,3 mm OD and more on Customers’ requests

  • Fins Height

    from 5,03 to 38 mm and more on Customers’ requests

  • Number of Fins

    Depending on tube OD

  • Finned pipes lenght

    Up to 10 meters and more on Customers’ requests

Russillo Impianti Srl Via per Mesero, 12 – 20010 Ossona, Milano (IT) - Questo indirizzo email è protetto dagli spambots. È necessario abilitare JavaScript per vederlo. - tel +39 02 90381176 fax. +39 02 90381178 - Codice fiscale/Partita IVA 09196690961

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