Starc Metals, a prominent manufacturer and supplier located in Canberra, Australia, is well-known for its top-notch Copper Nickel 70/30 Forgings that adhere to international standards. These forgings are made from a high-quality alloy consisting of 70% copper and 30% nickel, celebrated for its remarkable resistance to corrosion, mechanical strength, and durability even in tough environments. Starc Metals employs cutting-edge forging techniques along with strict quality checks to guarantee precision and consistency. Their Copper Nickel 70/30 Forgings are trusted across various sectors, including marine, chemical, and power generation, thanks to their reliability, longevity, and performance in extreme conditions.
Copper Nickel 70/30 Forgings are composed of about 70% copper and 30% nickel, with minor additions of iron and manganese to boost strength and corrosion resistance. This alloy excels in resisting seawater corrosion, stress cracking, and biofouling. It also provides good thermal and electrical conductivity, along with impressive toughness and ductility. With a tensile strength that ranges from 350 to 550 MPa, Copper Nickel 70/30 Forgings remain stable under fluctuating temperatures and pressures, making them perfect for demanding marine and industrial uses.
| Standard | DIN, ASTM, BS and all International Standards |
|---|---|
| Flat bar blocks | up to 27″ width and 15,000 lbs |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
| 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 |
The durability of Copper Nickel 70/30 forgings is ensured by excellent corrosion resistance, high tensile strength, superior weldability, resistance to seawater, anti-biofouling properties, and consistent alloy composition for enhanced performance.
Copper Nickel 70/30 forgings offer superior strength, enhanced corrosion resistance, improved material utilization, reduced waste, better grain structure, and higher durability compared to machining, making them ideal for demanding applications.
Compatible welding processes for Copper Nickel 70/30 forgings include TIG (GTAW), MIG (GMAW), and shielded metal arc welding (SMAW), ensuring strong joints, excellent corrosion resistance, and minimal thermal distortion.
These forgings are commonly found in applications that require high resistance to seawater and harsh environments. They are extensively utilized in shipbuilding, marine hardware, desalination plants, and offshore oil and gas platforms. In the chemical and power sectors, they are used in heat exchangers, condenser systems, and piping components. Additionally, these forgings are ideal for pump parts, valve bodies, and flange connections that require strength and corrosion protection. Their blend of durability, workability, and erosion resistance makes them a go-to choice for long-lasting industrial performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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