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  1. Cavitation Resistance of Selected Copper Alloys

    Galling resistance has been one of the primary reasons that Alloy 25 has been selected for equipment where the service conditions included high strength and relative motion between metal components.  Alloy 25 has been shown to resist galling to many other metals and to resist galling to other Alloy 25 parts.

  2. Tech Brief NACE MR0175/ISO 15156 Compliance of ToughMet and Copper Beryllium

    The purpose of the NACE MR0175/ISO 15156 standard is to provide a set of guidelines for the use of material in sour (H2S) service.  Copper alloys in general (including copper beryllium and ToughMet 3 copper nickel tin) are listed in the standard as being acceptable for use in sour service.  Data that show how copper beryllium and ToughMet withstand severe enviroments are shown in this paper.

  3. Tech Brief - Cavitation Resistance of Selected Copper Alloys

    Materion Brush Performance Alloys ToughMet® and copper beryllium products are highly resistant to cavitation.

  4. Galling of Non-Magnetic Drill String Components

    Copper beryllium is the most resistant to galling and seizing of all metals used in the drill string, and inherently provide all the galling and seizing resistance for the life of the component.

  5. Tech Brief - The Chloride Stress Corrosion Cracking Behavior of High Performance Copper Alloys

    Chlorides in certain drilling muds can cause unpredictable stress corrosion cracking (SCC) in metal alloys. Even under the increased stress of higher temperatures and chloride drilling environments, ToughMet copper nickel tin and beryllium copper are highly resistant to chloride SCC, unlike austenitic stainless steels, making it a reliable choice for nonmagnetic drill collars.

  6. Tech Brief - A Guide to Galvanic Corrosion

    Galvanic can occur when two or more dissimilar metals contact each other in an electrolytic environment.  This can occur in seawater, chemical processing, or in automotive fasteners and connectors exposed to road salt spray.  It is important to understand the relative position of metals on the galvanic series when they will be coupled near an electrolytic solution.