MWS-650 Nichrome Wire 1.0mm to 8.0mm Product Details
We specialize in providing high-performance nichrome wires for global industrial heating applications. Our MWS-650 Nichrome Wire, available in diameters from 1.0mm to 8.0mm, is engineered with superior oxidation resistance, stable electrical performance and excellent high-temperature durability. It is perfectly tailored to meet the demanding requirements of various industrial heating equipment, providing reliable and long-lasting performance support for your industrial production. Below is the detailed product information to help you make an informed purchase decision.
Product Overview
Our MWS-650 Nichrome Wire is a high-quality nickel-chromium alloy wire, equivalent to the classic NiCr8020 (Nichrome 80/20) alloy grade, also known as Nikrothal 8, Tophet A and Resistohm 80. It is available in a wide diameter range of 1.0mm to 8.0mm, with a smooth round cross-section and uniform thickness, suitable for different installation and use scenarios of industrial heating equipment. The core highlight of this product is its superior oxidation resistance—when heated, it forms a dense and stable chromium oxide (Cr₂O₃) protective film on the surface, effectively preventing further oxidation and corrosion, which significantly extends the service life of the wire in high-temperature industrial environments. Meanwhile, it has stable electrical resistivity, good mechanical strength and excellent processability, making it a reliable choice for industrial heating elements and resistance components.
Core Specifications
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Item
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Specification
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Alloy Grade
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MWS-650 (Equivalent to NiCr8020, Nichrome 80/20)
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Wire Shape
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Round Wire
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Diameter Range
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1.0mm - 8.0mm (Tolerance: ±0.05mm, customizable)
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Alloy Composition
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Nickel (Ni): 78-82%, Chromium (Cr): 18-22%, other impurities ≤1.0%
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Electrical Resistivity (20°C)
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1.09 μΩ·m (Stable and uniform)
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Operating Temperature
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Long-term: ≤1200°C; Short-term: ≤1250°C
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Tensile Strength
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≥810 MPa (for 1.0mm wire), ≥620 MPa (for 8.0mm wire)
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Elongation
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≥20% (Min)
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Magnetic Property
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Non-magnetic (No magnetic interference)
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Surface Treatment
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Bright Annealed Surface / Pickled Surface / Oxidized Surface (Customizable)
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Packaging
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Plastic Spool + Moisture-proof Film + Carton Box, or as per customer requirements
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Key Advantages (Focus on Superior Oxidation Resistance & Industrial Adaptability)
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Superior Oxidation Resistance: The alloy forms a dense and stable Cr₂O₃ protective film on the surface when heated, which can effectively resist oxidation and corrosion in high-temperature air and harsh industrial atmospheres, avoiding premature damage and extending the service life of the wire by 30% compared with ordinary nichrome wires. It also has excellent resistance to carburizing and sulfur-containing atmospheres, adapting to more complex industrial environments.
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Wide Diameter Range: Available in 1.0mm to 8.0mm diameter, covering most industrial heating equipment requirements. Whether it is small heating components or large-scale heating elements, it can be perfectly matched, with strong versatility and no need to purchase multiple specifications separately.
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Stable Electrical Performance: Adopts the classic NiCr8020 alloy formula, with uniform and stable electrical resistivity and low temperature coefficient of resistance (0.0001/°C), which can maintain consistent heating efficiency and electrical conductivity during long-term high-temperature operation, ensuring stable operation of industrial heating equipment and reducing failure rates.
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Excellent High-Temperature Durability: It can work stably for a long time under 1200°C, and can withstand short-term high temperatures up to 1250°C, with good creep resistance and thermal stability, no easy deformation or sagging under high temperature, adapting to the high-temperature working environment of industrial heating equipment.
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Strong Mechanical Strength & Processability: It has high tensile strength and good ductility, which is not easy to break, deform or damage during transportation, installation and use. It also has excellent weldability and bendability, which can be cut, bent and welded into various shapes according to the structural requirements of industrial heating equipment, facilitating assembly and use.
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Non-magnetic & High Quality: The product is non-magnetic, avoiding magnetic interference to precision industrial heating equipment and control systems. It is made of high-purity nickel and chromium raw materials, through advanced smelting, wire drawing and annealing processes, and strictly tested to ensure uniform composition and stable performance, meeting international industrial standards.
Application Scenarios (Focus on Industrial Heating Equipment)
Our MWS-650 Nichrome Wire (1.0mm-8.0mm) is mainly used in various industrial heating equipment that requires superior oxidation resistance and stable heating performance, including but not limited to:
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Industrial heating furnaces: Heating elements for heat treatment furnaces, sintering furnaces, drying furnaces, and high-temperature kilns, suitable for long-term high-temperature operation scenarios.
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Plastic and metal processing equipment: Heating components for plastic molding machines, extruders, soldering irons, and hot air blowers, providing stable and efficient heating support.
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High-temperature heating systems: Heating wires for industrial hot air heaters, quartz tube heaters, and metal-sheathed tubular heaters, adapting to different heating power requirements.
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Resistance components: Wire-wound resistors, precision resistors, and resistance networks for industrial control equipment, utilizing its stable resistivity to ensure accurate control performance.
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Other industrial fields: Customized heating components for metallurgy, chemical industry, electronic manufacturing, and aerospace fields, especially suitable for harsh high-temperature and oxidizing environments.
Packaging & Shipping
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Packaging: Each spool contains 50m/100m/200m (customizable) of wire, wrapped with moisture-proof plastic film to prevent oxidation and moisture during storage and transportation, and then packed in a thick carton box to avoid collision and damage. The spool size can be customized according to customer needs.
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Shipping: Support global shipping, including sea, air and express delivery (DHL, FedEx, UPS, etc.). The delivery time depends on your destination and selected shipping method; stock products can be delivered within 3-5 working days, and customized products can be delivered within 7-15 working days.
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Custom Packaging: Accept customer-specific packaging requirements, such as printing company logo, product specifications, warning labels and other information, to meet the needs of global distribution and brand promotion.
FAQ (Frequently Asked Questions)
Q1: What is the relationship between MWS-650 and NiCr8020?
A1: MWS-650 is equivalent to NiCr8020 (Nichrome 80/20) alloy grade, with the same alloy composition (78-82% Ni, 18-22% Cr)
and performance, and can be used interchangeably in industrial heating scenarios.
Q2: Can the diameter be customized beyond 1.0mm-8.0mm?
A2: Yes, we can customize the diameter within the range of 0.1mm-10.0mm according to the specific installation
and use requirements of your industrial heating equipment, and adjust the tolerance according to your needs.
Q3: How to ensure the superior oxidation resistance of the product?
A3: We strictly control the alloy composition, adopt high-purity raw materials and advanced annealing technology,
and each batch of products undergoes high-temperature oxidation resistance testing to ensure
that the surface can form a stable protective film, effectively resisting oxidation and corrosion.
Q4: Do you provide samples for testing?
A4: Yes, we can provide samples for your performance testing if in stock, but not for free.
Contact Us
If you have any questions about our MWS-650 Nichrome Wire (1.0mm to 8.0mm), or need to customize products according to the requirements of your industrial heating equipment, please feel free to contact us. We will provide you with professional consultation, high-quality products and thoughtful after-sales service, and support global distribution and small-order customization.
