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In Chennai, India, Kunj Sheets and Plates is a top producer and supplier of premium copper nickel sheets and plates. We are renowned for meeting the various demands of the chemical, power, and marine industries by providing precisely engineered non-ferrous metal products. Using top-notch raw materials and cutting-edge technology, our copper nickel sheets and plates are produced with exceptional durability, corrosion resistance, and thermal stability. We provide products in a range of sizes and specifications to satisfy both standard and custom requirements, with a strong emphasis on quality and prompt delivery. Because of its dedication to customer satisfaction, quality control, and performance, Kunj is trusted.
With trace amounts of iron and manganese added for strength and corrosion resistance, copper (usually 70% or 90%) and nickel (30% or 10%) make up the majority of copper nickel sheets and plates. These alloys have superior mechanical strength, good thermal stability, and outstanding resistance to seawater corrosion. They have an elongation of about 30%, a yield strength of 120–200 MPa, and a tensile strength of 310–500 MPa. The material maintains its mechanical qualities in high temperature and pressure environments and is suitable for fabrication under high-stress industrial and marine conditions due to its good ductility, weldability, and formability.
Specifications : ASTM B122, B171 / ASME SB122, SB171
Standards ASTM, ASME and API
Thickness : 1mm – 100mm
Thickness : 1mm – 100mm
Width : 1000mm – 3000mm
Form : Coils, Foils, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) & Angle, Channel, Tray Etc.
Grades :Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Copper Nickel sheets and plates offer excellent corrosion resistance, particularly in seawater, making them ideal for marine applications. They have outstanding resistance to biofouling, pitting, and crevice corrosion. These highly durable materials have good strength, thermal conductivity, and resistance to stress corrosion cracking. Copper Nickel also provides good weldability, formability, and machinability. Their non-magnetic properties and low friction coefficient make them suitable for various industries, including shipbuilding, heat exchangers, and desalination plants. Their longevity and resistance to harsh environments enhance overall performance and reliability.
In industries that demand exceptional strength and resistance to corrosion, especially in maritime and offshore settings, copper nickel sheets and plates are widely utilised. They are extensively used in the construction of ship hulls, heat exchangers, condensers, desalination plants, and seawater piping systems. The alloy is perfect for offshore oil platforms and naval applications because of its resistance to stress corrosion and biofouling. It is also utilised in cooling systems, chemical processing equipment, and power plants. Copper nickel is also used for cryogenic systems, hydraulic lines, and parts subjected to harsh chemicals and high pressure because of its exceptional durability and thermal conductivity.
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