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Yunus Sheets and Plates, located in Istanbul, Turkey, has built a solid reputation as a reliable manufacturer and supplier of Copper Nickel 70/30 Circles, renowned for their outstanding quality and precision. The company is dedicated to adhering to international standards, offering products that are not only durable but also tailored to meet the diverse needs of various industrial applications. Copper Nickel 70/30 Circles are prized for their strength, longevity, and remarkable resistance to seawater and corrosion, making them a top choice in the marine and engineering sectors. Yunus Sheets and Plates prides itself on delivering consistent performance, competitive pricing, and timely deliveries, positioning itself as a trustworthy partner in global metal supply solutions.
| 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.
Copper nickel 70/30 circle are widely used in applications requiring high corrosion resistance, especially in marine environments. Due to their resistance to salt water corrosion and bio-odor, they are ideal for hulls, marine pipelines and offshore platforms These cylinders are also used in heat exchangers, condensers and desalination plants due to their thermal conductivity a because of the superiority. In addition, they are used in electricity generation, chemical processing and cryogenic applications, where durability and reliability are important. Their versatility and ease of manufacture make them desirable for complex industrial applications.
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