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| Type: | Bare |
| Conductor Type: | Solid |
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NiCr Wire
Nickel-chromium alloys are a class of materials with excellent corrosion resistance and high temperature stability, typically composed of nickel and chromium along with other alloying elements such as molybdenum, iron, copper, etc. These alloys find widespread use in various industrial sectors including chemical processing, aerospace, energy, medical, etc. Key features of nickel-chromium alloys include:
Corrosion Resistance: Nickel-chromium alloys exhibit outstanding corrosion resistance, able to withstand various corrosive environments including acids, alkalis, salts, making them particularly suitable for harsh operating conditions.
High Temperature Stability: These alloys maintain stability at high temperatures, resisting deformation, softening, or oxidation, hence finding extensive applications in high-temperature processes and environments.
Good Mechanical Properties: Nickel-chromium alloys possess excellent mechanical properties such as high strength, toughness, and good machinability, giving them an advantage in manufacturing various components.
Low Thermal Expansion Coefficient: Compared to other metals, nickel-chromium alloys have a low thermal expansion coefficient, helping to reduce issues caused by thermal expansion and contraction during temperature changes.
High Electrical Conductivity: Nickel-chromium alloys have high electrical conductivity, thus also finding wide applications in some electronic and electrical fields.
Common products of nickel-chromium alloys include pipes, plates, rods, wires, welding materials, etc., which can be customized and processed according to different requirements to meet the needs of various industrial applications.
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Alloy Nomenclature Performance
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Ni80Cr20
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Ni70Cr30
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Ni60Cr15
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Ni35Cr20
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Ni30Cr20
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Composition
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Ni
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Rest
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Rest
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55.0-61.0
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34.0-37.0
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30.0-34.0
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Cr
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20.0-23.0
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28.0-31.0
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15.0-18.0
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18.0-21.0
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18.0-21.0
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Fe
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≤1.0
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≤1.0
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Rest
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Rest
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Rest
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Max. continuous service temp. of element(ºC)
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1200
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1250
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1150
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1100
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1100
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Resistivity at 20ºC (μΩ·m)
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1.09
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1.18
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1.12
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1.0
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1.04
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Density(g/cm3)
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8.40
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8.10
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8.20
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7.90
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7.90
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Thermal conductivity (KJ/m·h·ºC)
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60.3
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45.2
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45.2
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43.8
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43.8
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Coefficient of lines expansion(α×10-6/ºC)
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18.0
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17.0
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17.0
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19.0
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19.0
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Melting point approx.( ºC)
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1400
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1380
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1390
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1390
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1390
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Elongation at rupture(%)
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>20
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>20
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>20
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>20
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>20
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Micrographic structure
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austenite
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austenite
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austenite
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austenite
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austenite
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Magnetic properties
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nonmagnetic
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nonmagnetic
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Weak magnetic
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Weak magnetic
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Weak magnetic
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1. Raw Material Preparation: Prepare the raw materials including nickel, chromium, and other alloying elements, ensuring their purity and quality meet the requirements.
2. Mixing and Blending: Mix the required raw materials according to a specific formula and precise weighing to ensure the accuracy of alloy composition.
3. Melting: Place the mixed raw materials into a furnace and melt them at high temperature to form a homogeneous molten alloy.
4. Casting: Pour the molten alloy into molds to cast it into desired shapes, often using continuous casting or traditional casting methods to produce ingots of desired shapes.
5. Heat Treatment: Perform heat treatment on the cast ingots, including solution treatment, aging treatment, etc., to adjust the alloy's microstructure and properties, improving its mechanical properties and corrosion resistance.
6. Machining and Surface Treatment: Process and surface treat the heat-treated alloy ingots, such as milling, turning, polishing, etc., to achieve the required dimensional accuracy and surface quality.
7. Testing and Quality Control: Conduct various tests on the produced nickel-chromium alloy products, including chemical composition analysis, mechanical property testing, surface quality inspection, etc., to ensure the products meet relevant standards and requirements.
8. Packaging and Shipping: Package the qualified products, label them with product information and quality certification, and finally ship them out for sale or delivery to customers.
1. High-Temperature Alloys: Nickel-chromium alloys exhibit excellent high-temperature resistance and are commonly used to manufacture components for aerospace engines, gas turbine blades, furnace heating elements, and other parts subjected to high-temperature environments.
2. Corrosion-Resistant Materials: Due to their good corrosion resistance, nickel-chromium alloys are extensively used in the chemical industry for the fabrication of reactors, pipelines, valves, and other corrosion-resistant equipment.
3. Resistance Alloys: Nickel-chromium alloys have excellent resistance temperature coefficient properties and are therefore used as resistance wires in the manufacture of electric heaters, furnaces, thermocouples, and other electric heating devices.
4. Medical Devices: Nickel-chromium alloys are used in the medical field for manufacturing medical instruments and implants such as pacemakers, artificial joints, etc., due to their good biocompatibility and corrosion resistance.
5. Chemical Processing: Nickel-chromium alloys are commonly used in chemical processing for the fabrication of reactors, heating furnaces, distillation equipment, etc., to withstand high temperatures and corrosive media.
6. Electronic Components: Nickel-chromium alloys are also used in the manufacture of electronic components such as resistors, inductors, etc., for various circuits and devices.
7. Automotive Industry: Nickel-chromium alloys find applications in the automotive manufacturing sector, such as in the fabrication of exhaust pipes and catalytic converters for automotive exhaust systems.
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telephone.
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Monday-Saturday : 7:30AM-17:00PM (Beijing time, GMT+08.00)
We have public holiday during May.1-3, Oct.1-7 and Chinese New Year holiday . Pls email us during our holiday if u have any question.
3. Do you provide free samples?
Yes, we can provide a free sample for testing, buyer should bear all the shipping costs.
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5. What is the lead time?
Usually sample lead time is 7 days after payment has been confirmed.
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