Nickel-chromium Alloy Good Electrical Conductivity Cr20Ni80 Wire for Thermal Spray Applications

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Cr20Ni80 wire, a high-performance nickel-chromium alloy, is widely used in thermal spray applications due to its excellent electrical conductivity, high-temperature performance, and corrosion resistance. This wire is ideal for creating durable, long-lasting coatings for components exposed to high temperatures, electrical stress, and harsh environmental conditions. With its ability to withstand temperatures up to 1200°C (2192°F) and superior oxidation resistance, Cr20Ni80 wire is a preferred choice for industries such as aerospace, automotive, and electrical manufacturing.

Element	Inconel 625	Ni95Al5	45CT	Monel 400	Monel K500	HC-276	Cr20Ni80	S5420	0Cr25Al5	Ni80A120	Pure Zinc Wire	ZnA15
C	≤0.05	≤0.02	≤0.01	≤0.1	≤0.04	≤0.25	≤0.02	≤0.08	0.36-0.48	≤0.06	≤0.08	-
Mn	≤0.4	≤0.2	≤0.2	2.5-3.5	≤1.5	≤1.0	≤0.1	≤0.06	≤0.1	≤0.4	≤0.7	≤0.75
P	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.02	≤0.01	≤0.01	≤0.04	≤0.05	≤0.025	≤0.02
S	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.03	≤0.03	≤0.025	-
Si	≤0.15	≤0.2	≤0.2	≤0.15	≤0.5	≤0.08	0.75-1.6	≤1	≤1	≤0.6	≤0.5	≤0.12
Sn	-	-	-	-	-	-	-	-	-	-	-	≤0.001
Pb	-	-	-	-	-	-	-	-	-	-	-	≤0.005
Cd	-	-	-	-	-	-	-	-	-	-	-	≤0.005
Cr	21.5-23	≤0.2	42-46	-	-	14.5-16	20-23	12-14	23.26	≤0.0015	-	-
Ni	Balance	Balance	Balance	65-67	Balance	27-33	-	-	-	≤0.6	≤0.6	Balance
Cu	-	-	-	Balance	Balance	-	-	-	-	-	-	≤0.002
Mo	8.5-10	-	-	-	-	15-17	-	-	-	-	-	≤0.01
Ti	≤0.4	0.4-1	0.3-1.0	2.0-3.0	0.35-0.85	-	-	-	-	-	-	-
Al	≤0.4	4-5	≤0.5	≤0.5	2.3-3.15	-	-	-	-	4.5-6.5	19-20	≤0.001
Fe	≤1.0	-	≤0.5	≤1.0	≤1.0	4.0-7.0	-	-	-	-	-	14-16
Nb	3.15-4.15	-	-	-	-	-	≤1.0	-	-	-	-	≤0.02
Co	-	-	-	-	-	-	-	-	-	-	-	≤0.05
V	-	-	-	-	-	-	-	≤0.35	-	-	-	-
W	-	-	-	-	-	3.0-4.5	-	-	-	-	-	-
Zinc	-	-	-	-	-	-	-	-	-	-	≥99.95	84-86
Impurities	≤0.50	≤0.50	≤0.50	≤0.50	≤0.50	≤0.50	-	-	-	-	-	-

Key Features of Cr20Ni80 Nickel Alloy Spray Wire

High-Temperature Resistance: Cr20Ni80 wire is designed to withstand temperatures as high as 1200°C (2192°F), making it perfect for high-heat applications, including in heating elements and industrial resistors.
Excellent Oxidation Resistance: The alloy provides superior resistance to oxidation, ensuring the longevity and performance of the coated components in extreme environments.
Good Electrical Conductivity: With low electrical resistivity, Cr20Ni80 wire is ideal for use in heating elements, resistors, and other electrical components, providing reliable performance under electrical stress.
Enhanced Mechanical Strength: This wire offers high tensile and yield strength, contributing to the durability and reliability of thermal spray coatings applied to industrial components.
High Nickel Content: Containing at least 75% nickel, Cr20Ni80 wire offers excellent corrosion resistance and performs well in aggressive environments, including exposure to acids and salts.
Durability and Longevity: With high hardness and elongation properties, Cr20Ni80 wire can withstand mechanical stress, wear, and thermal cycling, ensuring a long service life for coated components.

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Applications of Cr20Ni80 Nickel Alloy Spray Wire

Cr20Ni80 wire is used in various thermal spray applications across multiple industries. Some of its primary applications include:

Vacuum Coating: Cr20Ni80 wire is commonly used in vacuum coating processes to improve the performance and longevity of coated components.
Heating Elements: The wire is ideal for manufacturing connections and heating spirals in spark plugs and other high-temperature applications, including industrial and residential heating systems.
Resistors and Electrical Components: Due to its excellent electrical conductivity and high-temperature resistance, Cr20Ni80 wire is used in the production of resistors and other critical electrical components.
Battery Production: The wire is used in battery manufacturing to provide robust and durable components capable of handling high temperatures and mechanical stress.
Filter Bases and Supports: Cr20Ni80 wire is a strong base material for filters, providing both thermal and mechanical stability for use in various filtration systems.
Electronic Components: It is used for the manufacturing of electronic components that require high electrical conductivity, durability, and resistance to high heat.
Components Inside Electron Tubes: Cr20Ni80 wire is used in the production of components inside electron tubes, where high performance under heat and electrical stress is critical.

Advantages of Cr20Ni80 Nickel Alloy Spray Wire

High-Temperature Performance: Cr20Ni80 wire can operate in high-temperature environments, resisting temperatures up to 1200°C (2192°F), making it an excellent choice for heat-intensive industrial applications.
Superior Oxidation Resistance: The wire’s high nickel content ensures strong oxidation resistance, prolonging the lifespan of coated components by protecting them from corrosion.
Good Electrical Conductivity: The wire’s low electrical resistivity makes it suitable for applications where high electrical conductivity is required, such as in heating elements and resistors.
Enhanced Mechanical Strength: With high tensile and yield strength, Cr20Ni80 wire offers reliable mechanical performance in challenging conditions, ensuring durability and performance under mechanical stress.
Durability and Longevity: The wire’s ability to resist wear, oxidation, and mechanical stress ensures that coated components remain functional and reliable for extended periods.
Versatile Applications: Cr20Ni80 wire is highly versatile and used in a variety of applications, including in industries such as aerospace, automotive, electrical, and manufacturing.

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FAQ

Q1: What is Cr20Ni80 nickel alloy spray wire used for?
A1: Cr20Ni80 nickel alloy spray wire is used for thermal spray coatings, primarily in applications involving heating elements, resistors, and other high-temperature components that require electrical conductivity and corrosion resistance.

Q2: What industries use Cr20Ni80 spray wire?
A2: Cr20Ni80 spray wire is commonly used in industries such as electrical manufacturing, aerospace, automotive, and industrial manufacturing, where high-temperature and corrosion resistance are crucial.

Q3: What is the maximum temperature resistance of Cr20Ni80?
A3: Cr20Ni80 wire can resist temperatures up to 1200°C (2192°F), making it ideal for high-heat applications in various industries.

Q4: What are the main properties of Cr20Ni80?
A4: Cr20Ni80 features excellent oxidation resistance, high tensile strength, and low electrical resistivity, making it suitable for use in heating elements, resistors, and other high-temperature industrial components.

Q5: What is the minimum nickel content in Cr20Ni80?
A5: Cr20Ni80 contains at least 75% nickel, which enhances its corrosion resistance and performance in aggressive environments.

Q6: What thermal spray techniques are compatible with Cr20Ni80?
A6: Cr20Ni80 is suitable for various thermal spray processes, including arc and flame spraying, ensuring high-quality coatings in a variety of industrial applications.

Q7: How does Cr20Ni80 perform in harsh environments?
A7: Cr20Ni80 provides excellent resistance to oxidation and can maintain its performance in harsh environments, including exposure to high temperatures, corrosive chemicals, and mechanical stress.