Monel( nickel-copper) alloy wire Manufacturers
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  • Monel( nickel-copper) alloy wire
  • Monel( nickel-copper) alloy wire

Monel( nickel-copper) alloy wire

Product Introduction
Monel alloy wire is a high-strength, corrosion-resistant alloy wire based on nickel and copper. It features excellent resistance to acid, alkali, seawater corrosion and oxidation, as well as good mechanical properties, toughness and welding processability. It maintains stable mechanical and chemical properties in both high and low temperature environments, making it a nickel‑base alloy material with outstanding corrosion resistance.

Applications & Handling Instructions
1. Marine Engineering & Shipbuilding
Used for corrosion-resistant wires, sensor components, marine instruments, valve parts, fasteners and elastic parts in seawater environments.

2. Petrochemical Industry
Suitable for heating wires, temperature measuring elements, seals and internal structural wires in chemical equipment under corrosive environments such as acid, alkali and hydrogen sulfide.

3. Aerospace
Used for engine accessories, high-temperature connectors, instrument elastic parts, aerospace wires and corrosion-resistant structural components.

4. Medical Devices
Used to make surgical instruments, implantable parts, orthopedic instruments, precision medical sensors and other parts requiring high biocompatibility and corrosion resistance.

5. High-End Instruments & Meters
Used for precision elastic parts, corrosion-resistant thermocouple wires, compensating wires, switch contacts and micro-motor components.

Handling Instructions
It can be bent, coiled, drawn, turned, stamped and processed in other ways. When making springs or elastic parts, control the deformation to avoid excessive work hardening. It can be welded by argon arc welding, resistance welding, brazing, etc. Protect the material during welding to prevent high-temperature oxidation from impairing corrosion resistance.
It can be used in harsh environments including medium/high temperature, seawater, acid, alkali, oil and gas. Long-term service temperature is recommended to stay within the rated range.

Specification FAQ
Mechanical properties
Name Tensilestrength (MPa) Elongation (%)
Monel 400 450~650 20~30
Monel K-500 890~950 20~30

Chemical composition
Name Ni Mn Fe Si Cu C AL Ti
Monel 400 66 ≤1.25 1.0~2.5 ≤0.50 28~34 ≤0.15 ≤0.50 ≤0.20
Monel K-500 67 ≤1.50 ≤2.0 ≤0.50 27~33 ≤0.15 2.30~3.15 0.35~0.85

Q1: What is the most prominent feature of Monel alloy wire?
A1: It combines high strength and excellent toughness, with outstanding corrosion resistance in seawater, acid, alkali, hydrofluoric acid and other corrosive media. It also has good heat resistance and creep resistance.

Q2: What is the difference between Monel 400 and Monel K-500 wire?
A2: Monel 400 focuses on corrosion resistance, with good toughness and easy processing. Monel K-500 is age‑hardened for higher strength, hardness and wear resistance, suitable for more demanding high-strength applications.

Q3: Can Monel alloy wire be used as a heating wire?
A3: It can be used as a heating element in medium‑temperature and corrosive environments, with better corrosion resistance than ordinary electric heating alloys. However, its resistivity is relatively low, so it is not the first choice for conventional high-power heating.

Q4: Can Monel wire be used for thermocouples or compensating wires?
A4: It can replace compensating wires in harsh corrosive environments, but is not recommended for direct use as thermocouple electrodes. It can also serve as signal wires and structural parts in high-temperature and corrosive conditions, providing both conductivity and corrosion protection.

Q5: What is the difference between Monel alloy wire and stainless steel wire?
A5: Monel has far better resistance to hydrofluoric acid, seawater and salt corrosion than common stainless steel, along with better low‑temperature toughness. However, it is more costly and has a higher density.

Xinguo Group Co., Ltd.
ABOUT US Xinguo Group Co., Ltd.
Xinguo Group Co., Ltd. is a high-tech enterprise with subsidiaries including Anhui Xinguo Instrument Co., Ltd., Anhui Xinguo Alloy Co., Ltd., Anhui Xinguo Cable Co., Ltd. and Anhui Xinguo Precious Metals Co., Ltd. Founded in 1997, the Group is located in Tianchang City, Anhui Province — a National Civilized City. It has a registered capital of 118 million RMB, covers a land area of over 150 mu and a building area of 60,000 square meters. The company currently has more than 300 employees, among whom over 50 are professional and technical personnel including senior engineers, engineers and assistant engineers.
The Group is a China Custom Monel Alloy Wire Manufacturer and Nickel-Copper Alloy Wire Supplier, mainly engages in the R&D, production and sales of temperature instruments, pressure instruments, level instruments, flow instruments and digital display instruments. Its product portfolio also encompasses power cables, control cables, compensation cables, computer cables, signal cables, MI heating cables, mineral insulated cables, electric heat tracing tapes, cable trays and accessories, high and low voltage distribution equipment, complete automation control systems, instrument valves, pipeline valves and fittings, glass instruments and laboratory equipment. We also supply platinum-rhodium wires, precision alloys and complete mechanical equipment, while providing supporting processing, manufacturing, sales and technical services. Additionally, we deal in professional instrument materials, alloy materials and precious metals. Our products are widely applied in power, petroleum, chemical, metallurgy, building materials, machinery, food, aerospace, new energy and other industrial sectors, as well as scientific research and education fields.
Anhui Xinguo Alloy Co., Ltd. is dedicated to manufacturing a full range of precision alloy materials and serves as a council member of the Instrument Materials Branch of China Instrument & Control Society. Its flagship products cover thermocouple alloy wires (K, N, E, J, T types), thermocouple compensation alloy wires (KX, EX, NX, JX, TX, KCA, KCB, NC, SC), high-resistance heating alloys, precision resistance alloys, heating resistance alloys, pure nickel wires, manganese-copper alloys and Monel alloys. These products are extensively used in aviation, petroleum, chemical engineering, machinery manufacturing, power and energy industries.
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