Customization: | Available |
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Application: | Aviation, Electronics, Industrial, Medical, Chemical |
Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Pure Nickel Strip
Pure nickel strip is a flat, elongated metal product made entirely of nickel with high purity levels. It is typically produced through a process that involves melting nickel ingots, followed by hot rolling, cold rolling, annealing, and precision slitting.
Pure nickel strip possesses several desirable properties that make it useful in various industries and applications. Here is a description of its key characteristics:
Composition: Pure nickel strip is composed of nickel as the sole element, typically with a purity level of 99.9% or higher. Its homogeneous composition ensures consistent properties throughout the strip.
High Corrosion Resistance: Nickel is known for its excellent resistance to corrosion and oxidation. Pure nickel strip is highly resistant to various corrosive environments, including acids, alkalis, and saline solutions. This property makes it suitable for applications where corrosion resistance is crucial.
Thermal Stability: Pure nickel strip exhibits good thermal stability, allowing it to maintain its mechanical properties and structural integrity even at elevated temperatures. It can withstand high-temperature environments without significant deformation or degradation.
Electrical Conductivity: Nickel is a good conductor of electricity, and pure nickel strip inherits this property. It has high electrical conductivity, making it suitable for applications where electrical current needs to pass through the strip efficiently.
Ductility and Formability: Pure nickel strip is ductile, meaning it can be easily formed and bent without cracking or breaking. Its excellent formability allows it to be shaped into various configurations, such as coils, terminals, or bus bars, to accommodate specific application requirements.
Mechanical Strength: Nickel has good mechanical strength, enabling pure nickel strip to withstand mechanical stresses and mechanical deformations. It exhibits good tensile strength, hardness, and toughness, providing durability and reliability in demanding applications.
High Purity: As the name suggests, pure nickel strip has a high level of purity, usually exceeding 99.9%. This high purity level ensures consistent and reliable performance in critical applications while minimizing the risk of impurities affecting the material's properties.
Compatibility: Nickel is compatible with various materials, including other metals and alloys. Pure nickel strip can be easily welded, soldered, or brazed to other materials, enabling it to be incorporated into complex assemblies or electrical circuits.
Alloy
|
Ni %
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Mn %
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Fe %
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Si %
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Cu %
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C %
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S %
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Nickel 201
|
Min 99.8
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Max 0.35
|
Max 0.4
|
Max 0.35
|
Max 0.25
|
Max 0.02
|
Max 0.01
|
Nickel 200
|
Min 99.5
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Max 0.35
|
Max 0.4
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Max 0.35
|
Max 0.25
|
Max 0.15
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Max 0.01
|
Soft Condition | HV 75-110 |
1/4 Y | HV110-140 |
1/2Y | HV140-180 |
Y | HV180-220 |
Pure nickel strip finds application in diverse industries such as electronics, aerospace, automotive, chemical processing, batteries, and telecommunications. It is used for components like connectors, diaphragms, heating elements, sensors, anodes, and shielding due to its excellent properties and versatility.
Overall, pure nickel strip is a highly specialized and valuable product designed to meet the specific requirements of industries where high purity, corrosion resistance, electrical conductivity, and mechanical strength are essential.
The production of pure nickel strip involves several steps to transform raw materials into the final product. Here is a general description of the production process:
Raw Material Preparation: The first step is to obtain high-quality nickel material, typically in the form of nickel ingots. The ingots are sourced and undergo strict quality checks to ensure they meet the required purity and composition standards.
Melting and Casting: The nickel ingots are then melted in a high-temperature furnace. The molten metal is carefully controlled to achieve the desired composition and purity. Once the molten metal is homogeneous, it is poured into a mold to solidify, forming a nickel slab or billet.
Hot Rolling: The solidified nickel slab is heated to a suitable temperature and then passed through hot rolling mills. The rolling process involves repeated cycles of heating and rolling the slab to progressively reduce its thickness while increasing its length. This continuous rolling process thins the slab into a strip of the desired thickness.
Cold Rolling: Once the initial hot rolling is completed, the nickel strip is further processed through cold rolling. Cold rolling involves passing the strip through a series of rollers at room temperature to further refine its thickness, improve its surface finish, and enhance its mechanical properties. Cold rolling can also improve the dimensional precision of the strip.
Annealing: Cold-rolled nickel strip usually undergoes an annealing process. Annealing involves heating the strip to a specific temperature and then slowly cooling it. This process helps relieve any stresses induced during rolling and enhances the strip's ductility and formability.
Surface Treatment: Depending on the required application, the nickel strip may undergo additional surface treatments. This can include processes like cleaning, pickling, passivation, or electroplating to enhance corrosion resistance, improve surface finish, or achieve specific functional properties.
Precision Slitting: After the strip has been treated and inspected, it is typically sent to a precision slitter. The slitter cuts the strip into narrower widths according to customer requirements. This step ensures that the nickel strip can be further processed or utilized in specific applications.
Quality Control: Throughout the production process, quality control measures are implemented to ensure that the nickel strip meets the required specifications. This can include inspections, dimensional measurements, and testing for mechanical properties, surface finish, and chemical composition.
Packaging and Distribution: Once the nickel strip passes quality control, it is packaged and prepared for distribution. Packaging methods may include wrapping the strip in protective material or coiling it onto spools or reels to facilitate transportation and storage.