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Hashmi Sheets and Plates is a reputable manufacturer and supplier of Copper Nickel 70/30 Circles based in Doha, Qatar. The company has built a solid reputation for delivering precision-engineered products that adhere to international quality standards and perform reliably even in tough conditions. Catering to various industries like marine, offshore, oil and gas, desalination, and power generation, Hashmi Sheets and Plates prioritizes quality, dimensional accuracy, and corrosion resistance. With state-of-the-art manufacturing facilities, a team of skilled professionals, and a strong focus on customer satisfaction, the company guarantees consistent quality, timely deliveries, and tailored Copper Nickel 70/30 Circle solutions to meet diverse industrial needs.
| 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.
This alloy is widely utilized in applications that demand superior corrosion resistance and mechanical strength. It’s commonly found in marine and offshore industries for heat exchangers, condensers, pressure vessel components, and seawater systems. In desalination plants, oil and gas facilities, and power generation plants, these circles are prized for their durability, erosion resistance, and long service life. Their excellent formability and strength also make them ideal for industrial fabrication, chemical processing equipment, and engineered components that face harsh environments.
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