
Factory Direct Sale Electric Portable Coil Fast Immersion Heating Element
Product Introduction
With a struggling-oriented corporate culture, we continuously improve the development of the enterprise, and make the best Ceramic Heaters, Ceramic Space Heater, Heating Element For Home Brewing. We are honest with our customers, strengthen dialogue and communication, respect each other, enhance strategic mutual trust, keep pace with the times, expand practical cooperation, and strengthen cooperation to meet challenges. To provide customers with "the most rapid service" and "the best products" is the spirit of our long-term management and guidelines.
Description
Fe-Cr-Al alloy wires and Resistance Wire Heating Element are made of iron chromium aluminum base alloys containing small amounts of reactive elements such as yttrium and zirconium and produced by smelting, steel rolling, forging, annealing, drawing, surface treatment, resistance control test, etc.
The high aluminum content, in combination with the high chromium content let the scaling temperature can reach to 1425ºC (2600ºF);
Heating wires shaped by means of high speed automatic cooling machine of which the power capacity is controlled by computer, they are available as wire and ribbon.

Specifications
Alloy Nomenclature Performance | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Main chemical composition (%) | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Max. continuous service temp. of element (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Resistivity at 20ºC (μΩ·m) | 1.09 | 1.18 | 1.12 | 1 | 1.04 | |
Density (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Thermal conductivity (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion (α×10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
Melting point (approx.) (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation at rupture (%) | >20 | >20 | >20 | >20 | >20 | |
Micrographic structure | austenite | austenite | austenite | austenite | austenite | |
Magnetic properties | nonmagnetic | nonmagnetic | Weak magnetic | Weak magnetic | Weak magnetic | |
Round wire: diameter 0.03mm-10.0mm
Flat wire: thickness 0.2mm-1.0mm, width 0.08mm-40.0mm
Surface Effects

Other Production Photos
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Part of Appliations of Resistance wire heating element
Chrome nickel wire resistance is widely used for making electric heating elements in home appliances and industrial furnaces.,various electrical resistors and locomotive braking resistor, infrared equipment, liquefied gas infrared heat-resisting net, different kinds of igniting and radiating electrodes and voltage-regulating resistors for motors and so on in Metallurgical machinery.
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We widely absorb the essence of similar merchandise internationally, and continuously build new merchandise to meet the demands of customers for Factory Direct Sale Electric Portable Coil Fast Immersion Heating Element. We strive to improve our comprehensive competitive advantages and provide customers with excellent and suitable products as our purpose. Our mission is to enable customers to stay ahead of escalating competition and product quality management functions.
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