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Copper-Nickel Flanges – Superior Seawater Corrosion Resistance

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January 12, 2026
Category Connection: Copper Nickel Flange
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Tags:
#C70600 Copper Nickel Flange #300LB Copper Nickel Flange #C71500 socket weld flange
Brief: In this video, we take a focused look at the specifications and what they mean in practice for Threaded Connection Type Copper-Nickel Flanges. You'll see how these Weld Neck Flanges deliver superior seawater corrosion resistance, explore their various face types and pressure ratings, and understand their critical applications in demanding environments like oilfields and offshore installations.
Related Product Features:
  • Manufactured from copper-nickel alloy CuNi C70600 for exceptional seawater corrosion resistance.
  • Available in Weld Neck flange type with threaded connection options for versatile installation.
  • Features multiple face types including Raised Face, Flat Face, and Ring Type Joint.
  • Complies with international standards including ANSI, DIN, JIS, BS, and EN.
  • Offers pressure ratings from Class 150# to 2500# for high-pressure applications.
  • Available in thickness schedules ranging from Sch5s to Sch160, including XS and XXS.
  • Suitable for oil, gas, chemical, petrochemical, power, offshore, and shipbuilding industries.
  • Multiple surface treatment options including anti-rust paint, zinc plating, and hot-dip galvanizing.
FAQs:
  • What materials are used in these flanges and what are their key benefits?
    These flanges are manufactured from copper-nickel alloy CuNi C70600, which provides superior corrosion resistance, particularly in seawater environments, along with excellent durability and strength for demanding industrial applications.
  • What pressure ratings and standards do these Copper Nickel Flanges comply with?
    They comply with international standards including ANSI, DIN, JIS, BS, and EN, and are available in pressure ratings from Class 150# to 2500#, making them suitable for various high-pressure systems.
  • What are the packaging and delivery options for these flanges?
    The flanges are securely packaged in wooden cases, pallets, boxes, cartons, or bundles, and shipped via insured courier services with tracking. Delivery typically takes 15-21 work days with a supply ability of 100 tons per month.
  • What customization and support services are available?
    We offer custom-made flanges with various surface treatments and pressure ratings, backed by 24/7 technical support, installation services, and replacement services for damaged parts to ensure optimal performance.
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