Overview
Copper-nickel alloy sheets, often referred to as white copper, are composed primarily of copper and nickel, with small additions of other elements like iron or manganese to enhance specific properties. These sheets are widely recognized for their silvery-white appearance, which makes them suitable for decorative purposes alongside their functional benefits. In industrial contexts, copper-nickel alloys are valued for their ability to withstand corrosive environments, particularly in marine applications. The material's thermal and electrical conductivity also makes it a preferred choice for heat exchangers and electronic components.
Structure and Working Principle
Copper-nickel alloy sheets derive their properties from the homogeneous solid solution formed by copper and nickel atoms. The addition of nickel to copper significantly improves corrosion resistance, especially against seawater and acidic environments. The alloy's microstructure can be further refined through cold working or annealing to achieve desired mechanical properties. The working principle of these sheets relies on their ability to maintain structural integrity under stress while resisting oxidation and biofouling. This makes them ideal for long-term use in pipelines, shipbuilding, and offshore structures where durability is critical.
Key Features
The standout features of copper-nickel alloy sheets include their exceptional resistance to corrosion, particularly in saline environments. This property is due to the formation of a protective oxide layer that prevents further degradation. Additionally, the material exhibits high thermal and electrical conductivity, making it versatile for both industrial and electronic applications. Another notable feature is the alloy's mechanical strength, which can be tailored through alloy composition and processing techniques. The material is also non-magnetic and exhibits good weldability, further expanding its range of applications.
Application Areas
Copper-nickel alloy sheets are extensively used in marine engineering for components such as condenser tubes, hull sheathing, and seawater piping systems. Their resistance to biofouling and corrosion makes them indispensable in these settings. In the electronics industry, these sheets are employed in connectors, terminals, and other components requiring reliable conductivity. Architectural applications include roofing, cladding, and decorative elements, where the alloy's aesthetic appeal and durability are highly valued.
Maintenance and Precautions
To ensure the longevity of copper-nickel alloy sheets, regular cleaning with mild detergents is recommended to remove surface contaminants. Avoid using abrasive materials or harsh chemicals that could damage the protective oxide layer. Storage should be in a dry, well-ventilated area to prevent moisture accumulation, which could lead to localized corrosion. During fabrication, proper handling techniques should be employed to avoid scratches or other surface defects that could compromise performance.
B2B Procurement Guide
When procuring copper-nickel alloy sheets, it is essential to specify the alloy grade, thickness, and dimensional tolerances required for your application. Common grades include CuNi10 and CuNi30, each offering distinct properties suited to different environments. Suppliers should provide material certifications, such as ASTM B122 or equivalent, to ensure compliance with industry standards. Lead times and minimum order quantities may vary, so it is advisable to plan procurement well in advance. For reference, prices typically range between $20 and $50 per kg, depending on market conditions and alloy composition.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：[]
- 主营：航空专用合金、高温合金、钴基合金、马氏体时效钢、GH5188、GH3625、GH4169、L605、1J22钴基合金、GH4099、叶片钢、4J29可伐合金、PH13-8Mo、Aermet100、GH5605、1J22、18Ni300、18Ni350、Monel400、MP159、MP35N、3J21、GH2747、18Ni250
- 主营：抓斗、炉底板、落煤管、镍白铜板B30、离心铸管、垫铁炉枕、吊具、料框、料盘、坩埚、滑块、高铬铸板、炉辊、溜渣槽、钢板、无缝管、圆棒
- 主营：哈氏合金板、C276钢板、1.4529钢板、高温合金圆钢、蒙乃尔400钢板、蒙乃尔400钢带、C276圆钢、GH4169圆钢、N06625钢板、N06600钢板、RA330钢板、N08926钢管、不锈钢板、不锈钢管、镍基合金板、圆钢、锻件、N06601钢板、N08825钢管、N08825钢板、N08629钢管、N08367钢板、GH4169钢带、1.4529不锈钢板、N07718圆钢
- 主营：捞渣抓斗、铝厂抓斗、耐热钢铸件、C70600镍白铜钢板、捞铝渣抓斗、电解铝厂抓渣斗、新型不粘渣抓斗
- 主营：铜镍合金、哈氏合金、高温合金、BZn15-20锌白铜管、Monel400、双相钢、奥氏体不锈钢、N06617、GH3128、GH3044、C75200、GH3039仪表管、GH3030冷轧板、Cr20Ni80带材、钨合金、钨镍铁合金
- 主营：铜镍合金、镍基合金、铜合金、C71500白铜板、B30铜镍板、HSn70-1锡黄铜、TP2紫铜管、HAl77-2铝黄铜、哈氏合金C276、因科洛伊800、蒙乃尔400合金、耐蚀合金NS321、高温合金GH4169、T2紫铜棒、TU1无氧铜、C70600铜镍管、C71500铜镍法兰、换热设备用铜管、船舶用铜镍合金管组、螺纹换热管、化工用镍基合金管、冷凝器用铜镍管、翅片管、螺纹管
- 主营：高温合金、哈氏合金、镍基合金、inconel合金、incoloy合金、模具钢、合金钢、不锈钢圆棒、石墨电极、SAE4140合金钢、F45MNVS合金钢、高速钢、无磁钢、超级不锈钢、inconel600、铝合金
- 主营：镍基合金板、铜镍合金管、高温合金管件、C71500镍白铜、蒙乃尔400、因科洛伊800、英科耐尔600、哈氏合金C276、HAl77-2黄铜管、T2紫铜管、B30铜镍无缝管、TP2螺纹管、B10铜镍法兰、C70600铜镍板、C71500铜镍管、冷凝换热管、冷凝器用铜镍管、船舶用铜镍合金管件、化工用合金管、换热器用铜管、铜镍三通/异径管件、翅片管
- 主营：散热管、毛细管、铜镍板、白铜法兰、白铜管、铜镍弯头、铜镍合金、船用配件、铜镍法兰、铜镍管、铜镍管件、黄铜板、哈氏合金、英科耐尔、蒙乃尔合金、翅片管
- 主营：高温合金板材、哈氏合金、无缝合金管、镍基合金钢板
- 主营：耐热钢铸件、精铸料框料架吊具、热处理工装、C71500板材、离心铸管下料管、供焦供矿、白口铸铁
- 主营：法兰、三通、弯头、C70600白铜板、圆钢、锻件、铸件
- 主营：工装料盘、耐磨锤头、钢球、耐热钢铸板、铸管、加热炉滑块、炉篦条、铝厂抓斗、铸件、耐磨钢、消失模铸造、合金板、锻件、不锈钢、铝锭、料筐、热处理工装
- 主营：哈氏合金板、镍基合金板、蒙乃尔合金板、C276板材、耐腐蚀板材、1.4529钢板、n04400钢板、n06625钢板、超级不锈钢板、耐高温钢板、耐硝酸钢板、高温合金钢板、铜镍合金钢板
- 主营：无缝管、镍基合金、合金圆钢、1白铜板、耐热钢、高温合金、铜镍合金、C70600
- 主营：Monel400、UNSNO4400、蒙乃尔400、哈氏合金C276、Monel K500