Chuck Metals stands out as a top-notch manufacturer and supplier of high-performance metal products right in the heart of Singapore, serving a diverse array of industries across Pulau Ujong. With a strong focus on quality, reliability, and technical precision, Chuck Metals delivers cutting-edge metal solutions designed for the toughest industrial settings. One of their flagship products is the Copper Nickel Bright Bar, which is highly valued for its remarkable corrosion resistance, strength, and sleek polished finish. These bars are widely used in marine, offshore, and industrial applications, available in various sizes and grades to meet international standards. Chuck Metals is dedicated to providing consistent quality and prompt service.
The Copper Nickel Bright Bar typically consists of copper (70% to 90%) and nickel (10% to 30%), with small amounts of iron and manganese added to boost strength and corrosion resistance. These bright bars are known for their outstanding resistance to seawater corrosion, stress corrosion cracking, and erosion, making them perfect for challenging environments. With tensile strengths usually ranging from 300 to 500 MPa, they also offer impressive ductility and thermal stability. The bright finish is achieved through a process of cold drawing and polishing, which enhances both dimensional accuracy and surface quality. Additionally, Copper Nickel Bright Bars are recognized for their good machinability, weldability, and long-lasting performance in marine conditions.
| Standard | ASTM B122, ASME SB122 |
| Specification | 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 90-10 | 88.6 min | 1.0 max | .05 max | 9-11 max | 1.8 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 90-10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Copper Nickel 90/10 | 2.0872 | C70600 |
Copper Nickel 90/10 forgings may face challenges like higher cost, susceptibility to galvanic corrosion in specific environments, and limited availability in some sizes, requiring precise processing and material sourcing.
Common welding processes compatible with Copper Nickel 90/10 forgings include TIG (GTAW), MIG (GMAW), and SMAW. Proper filler materials, such as CuNi rods, ensure strong, corrosion-resistant welds for optimal performance.
Durability of Copper Nickel 90/10 forgings is ensured by factors like corrosion resistance, proper heat treatment, precise manufacturing, adequate welding techniques, and protection against galvanic corrosion in marine and industrial environments.
These bars find extensive use in applications where a superb surface finish, corrosion resistance, and mechanical stability are crucial. In the marine and shipbuilding sectors, they are ideal for fasteners, shafts, pump components, and structural elements that come into contact with seawater. In the offshore oil and gas industry, these bars are utilized in condenser systems, piping, and heat exchangers. Their polished look and high conductivity also make them a great choice for decorative and electrical uses. Furthermore, Copper Nickel Bright Bars are employed in chemical processing, power generation, and desalination systems.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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