Copper-based low-resistance heating alloy wire
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  • Copper-based low-resistance heating alloy wire
  • Copper-based low-resistance heating alloy wire

Copper-based low-resistance heating alloy wire

Product Introduction
Copper-based low-resistance heating alloy wire is made from copper as the base material, with added alloy elements such as nickel and manganese. It features low resistivity, low resistance temperature coefficient, and uniform & stable heat generation. It also has good ductility, weldability, corrosion resistance and oxidation resistance, with a moderate operating temperature. It can be processed into various wire diameters, flat wires and enameled wires.

Applications and Instructions
1. Electric Heating Systems
Used in underfloor heating, wall heating, electric heating pads and industrial heating devices, providing uniform and stable heat output with remarkable energy-saving effect.

2. Home Appliances
Widely used in small heating components such as electric kettles, coffee machines, rice cookers, heating equipment and temperature control elements.

3. Electrical Protection Components
Used in thermal overload relays, circuit breakers and temperature-sensitive switching devices to achieve circuit protection through thermal response.

4. Industrial Equipment
Suitable for drying equipment, heating furnaces, temperature control systems and other industrial fields, especially for environments with high requirements for stability and service life.

Instructions
It is usually integrated into the heating structure by winding, embedding or welding, and used with insulating materials. During design, the resistance value shall be calculated according to voltage and power requirements to ensure optimal heating efficiency and safety.

Core Advantage Specification

Q1: What is the difference between copper-based low-resistance heating alloy wire and pure copper wire?
A1: Pure copper wire has extremely low resistance and is mainly used for conduction, not suitable for heating. Copper-based alloy wire is specially designed with controllable resistance to realize stable heat generation.

Q2: Is this material suitable for high-temperature environments?
A2: Depending on the alloy formula, its operating temperature ranges from 200°C to 400°C. Proper insulation and structural design are required to ensure long-term stable operation.

Q3: Can it be used in underfloor heating systems?
A3: Yes. It is one of the key core materials for underfloor heating cables, with advantages of uniform heating, energy saving and long service life.

Q4: Is this material corrosion-resistant?
A4: Yes. The copper-based alloy structure offers good oxidation and corrosion resistance, suitable for humid environments or complex working conditions.

Q5: Can wire diameter and resistance be customized?
A5: Yes. Products with different wire diameters, resistivity and mechanical properties can be customized according to application requirements.

Code Max. working Temp (℃) Resistivity μΩ·m Temp.Coeffi.Of Resistance 20℃×600/℃ EMF against Copper (μV/℃) Mechanical properties
Tensile Strength (MPa)

Elongation (%)

≤1.00mm Diameter

Elongation (%)

>1.00mm Diameter

NC003 200 0.03 <100 -8 210 18 25
NC005 200 0.05 <120 -12 220 18 25
NC010 220 0.1 <60 -18 250 18 25
NC012 250 0.12 <57 -22 270 18 25
NC015 250 0.15 <50 -25 290 20 25
NC020 300 0.2 <38 -28 310 20 25
NC025 300 0.25 <25 -32 340 20 25
NC030 300 0.3 <16 -34 350 20 25
NC035 350 0.35 <10 -37 400 20 25
NC040 350 0.4 0 -39 400 20 25
NC050 400 0.49 <-6 -43 420 20 25