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In Chennai, India, Kunj Sheets and Plates is a reputable producer and supplier of premium Copper Nickel 70/30 Circles. Our speciality is providing expertly designed Cu-Ni 70/30 circles with exceptional corrosion resistance, especially in chemical and marine settings. Superior raw materials and cutting-edge manufacturing techniques are used to create our Copper Nickel circles, which are emphasised for their strength, durability, and dimensional accuracy. Our products satisfy international quality standards and are perfect for a variety of industrial applications. Kunj Sheets and Plates is dedicated to offering prompt delivery and specialised solutions to satisfy the particular requirements of sectors like heat exchangers, power generation, and shipbuilding.
| Standard | ASTM B122, ASME SB122 |
| Dimensions | ASTM, ASME and API |
| Standard | JIS, AISI, ASTM, GB, DIN, EN, etc. |
| Thickness | 1 Mm To 100 mm. |
| Diameter | Upto 2000 Mm. |
| Circle Diameter | 3″ DIA up to 38″ DIA 1500 lbs max. |
| Circles Form | Cold Rolled, Small Flat, Industrial, Proof Machined, Perforated, Forged Steel, Hot Rolled Circle. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Copper Nickel 70/30 | 2.0882 | C71500 |
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 70/30 circle provide exceptional corrosion resistance, especially in marine and saltwater environments, due to their high nickel content. They combine excellent mechanical strength with ductility, making them suitable for demanding applications such as shipbuilding, heat exchangers, offshore platforms etc. Their resistance to biofouling minimizes and extends maintenance requirements service lifetime. Being excellent heaters, they ensure smooth thermal conductivity in industrial systems. Furthermore, these cylinders are easily manufactured and welded, making them versatile for various applications such as desalination, power generation and chemical processing, resulting in long-term reliability and reduced costs.
Because of their exceptional resistance to corrosion and biofouling, copper nickel 70/30 circles are frequently utilised in marine engineering for applications like shipbuilding, heat exchangers, condensers, and seawater piping. They are utilised in water handling components and tubing systems in power plants and desalination units. They are perfect for hydraulic systems, offshore platforms, and chemical processing industries due to their durability and thermal characteristics. In refrigeration and air conditioning systems, where long-term dependability in corrosive environments is crucial, these circles are also used in the production of pump and valve components.
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Chennai, India
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