Buy Top Quality ASTM B122 Copper Nickel 70/30 Ring Spacer Flange, Paddle Blind Flange at an affordable rate.

Creative Piping specializes in crafting copper nickel 70/30 flanges, which are essential parts for connecting pipes. Copper Nickel 70/30 flanges are pipe fittings crafted from an alloy consisting of 70% copper and 30% nickel. These flanges stand out for their remarkable resistance to corrosion, especially in marine environments and industrial settings prone to harsh conditions. Their strength and durability make them a preferred choice for applications requiring resilience against high pressure and temperature.

With ease of fabrication and welding, Copper Nickel 70/30 flanges come in various types like weld neck, slip-on, socket weld, blind, threaded, and lap joint, catering to diverse needs. Widely deployed in shipbuilding, power generation, desalination plants, and chemical processing, these flanges ensure enduring performance even in the most demanding environments.

Copper Nickel 70/30 Flanges

ASTM B122 Copper Nickel (UNS C71500, WNR 2.0882) Flanges Supplier in different forms like FF—Flat Face, RF—Raised Face, FM—Female Face, M—Male Face, T—Tongue Face, G—Groove Face, RJ—Ring Joint.

Cupro Nickel 70/30 Square Flange Specification

Standards & Grades01

ASTM B122 / ASME SB122 - Cu-Ni 70/30


Size range 02

15mm ( 1/2" NPS ) up to 600mm ( 24" NPS ), For 2500# in sizes from NPS 1/2 to NPS 12

Pressure Rating 03

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Dimensions 04

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API-605, ASA, AWWA, Custom Drawings

Connection Type 05

Flat Face, Raised Face, RTJ, Lap Joint, Male and Female (M&F), Large and Small Tongue-and-Groove



MTC 06

EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103




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With grades such as Copper Nickel 70/30 Flanges offer a wide selection to meet the demands of various industrial environments. Cupro Nickel 70/30 Slip On Flanges are commercially pure Copper grades known for their exceptional corrosion resistance, while Cu-Ni 70/30 Plate Flange offer enhanced properties suitable for specific applications. These Copper Nickel 70/30 Orifice Flanges provide reliable solutions for industries such as chemical processing, oil and gas, marine, and aerospace, where corrosion resistance, durability, and reliability are critical requirements for safe and efficient operations.

01 What are Copper Nickel 70/30 flanges?

Copper Nickel 70/30 flanges are fittings used to connect pipes, crafted from an alloy containing 70% copper and 30% nickel. This composition provides excellent resistance to corrosion, especially in marine and industrial environments.

These flanges offer superior corrosion resistance, strength, and durability, making them ideal for applications where exposure to seawater and harsh conditions is common.

They are commonly used in the marine industry for shipbuilding, offshore platforms, seawater cooling systems, and in various industrial applications such as power generation, desalination plants, and chemical processing.

  • Excellent corrosion resistance in seawater and harsh environments.
  • High strength and durability suitable for demanding applications.
  • Ease of fabrication and installation.
  • Versatility for use in a wide range of industries and settings.
Copper Nickel 70/30 Flanges