Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

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Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

When it comes to electronic systems, small differences in material performance can have a big impact on accuracy, reliability, and long-term function. One of the alloys trusted by engineers and manufacturers worldwide for precision resistors and circuit components is Cr20Ni35 Nichrome Strip. At DLX, we specialize in producing this alloy with the precision and consistency required to meet the demands of advanced electronic and electrical applications.

For more details, pls directly contact us.

Cr20Ni35 is a nickel–chromium–iron alloy containing around 35% nickel, 20% chromium, and balance iron. This composition provides a combination of stable resistivity, good oxidation resistance, and sufficient mechanical strength. While it does not contain as much nickel as higher-grade nichrome alloys, it offers excellent cost-to-performance balance, making it especially suitable for resistor and circuit applications where stability matters most.

The alloy maintains its resistive properties under high temperatures and repeated heating cycles. This ensures that electrical components made from Cr20Ni35 remain reliable and accurate, a crucial requirement in precision electronics.

Performance / material

Cr10Ni90

Cr20Ni80

Cr30Ni70

Cr15Ni60

Cr20Ni35

Cr20Ni30

Composition

Ni

90

Rest

Rest

55.0~61.0

34.0~37.0

30.0~34.0

Cr

10

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

Maximum temperature℃

1300

1200

1250

1150

1100

1100

Meltiing point ℃

1400

1400

1380

1390

1390

1390

Density g/cm3

8.7

8.4

8.1

8.2

7.9

7.9

Resistivity at 20℃ (μΩ·m)

--

1.09±0.05

1.18±0.05

1.12±0.05

1.00±0.05

1.04±0.05

Elongation at rupture

≥20

≥20

≥20

≥20

≥20

≥20

Specific heat (J/g.℃)

--

0.44

0.461

0.494

0.5

0.5

Thermal conductivity (KJ/m.h℃)

--

60.3

45.2

45.2

43.8

43.8

Coefficient of lines expansion a×10-6/(20~1000℃)

--

18

17

17

19

19

Micrographic structure

--

Austenite

Austenite

Austenite

Austenite

Austenite

Magnetic properties

--

Non-magnetic

Non-magnetic

Non-magnetic

Weak magnetic

Weak magnetic

Shape

Size (mm)

Wire

0.05-7.5

Rod

8-50

Ribbon

(0.05-0.35)*(0.5-6.0)

Strip

(0.5-2.5)*(5-40)

For more details, pls directly contact us.

Cr20Ni35 Nichrome Strip has broad applications, particularly in areas where controlled electrical resistance and stability are critical:

  • Precision Resistors: Its stable resistivity makes it a preferred material for manufacturing high-accuracy resistors used in electronic circuits.

  • Circuit Components: Used in circuit boards and control systems where consistent resistance is essential.

  • Heating Elements: Suitable for medium-temperature heating applications such as small-scale heaters, lab devices, and instruments.

  • Automotive Electronics: Applied in sensors and circuits requiring consistent resistance in varying operating environments.

  • Industrial Equipment: Integrated into control units and monitoring systems that rely on dependable resistor performance.

Because DLX provides this alloy in strip form, clients have flexibility in cutting, stamping, or welding it into the exact shapes needed for their designs.

Industry Trends
Several global trends highlight the growing relevance of Cr20Ni35 Nichrome Strip:

  1. Precision Electronics Growth – As industries develop more advanced electronics, demand for reliable resistor materials is increasing.

  2. Miniaturization of Components – Smaller devices require alloys that deliver consistent performance in reduced dimensions.

  3. Automotive and EV Expansion – Modern vehicles rely on precision electronics for safety and efficiency, boosting demand for stable resistor alloys.

  4. Industrial Automation – Automated systems require highly reliable circuits, making alloys like Cr20Ni35 more critical.

At DLX, we adapt to these trends by investing in advanced manufacturing technology and by working closely with customers to meet their unique application needs.

Compared to higher nickel alloys such as Cr20Ni80, Cr20Ni35 provides a cost-effective solution without sacrificing stability in resistor applications. Its performance characteristics make it particularly attractive to industries that prioritize both accuracy and affordability.

Key advantages include:

  • Stable Resistivity: Delivers predictable resistance values crucial for electronic circuit design.

  • Good Oxidation Resistance: Maintains integrity even under heating, reducing drift in performance.

  • Thermal Stability: Performs well under repeated heating and cooling cycles.

  • Cost-Effectiveness: Offers reliable performance at a more competitive price compared to high-nickel alloys.

These qualities explain why it is widely used in resistor manufacturing, electronic circuits, and precision applications worldwide.

Comparison Table

Parameter Cr20Ni35 Nichrome Strip General Resistance Alloy
Nickel Content ~35% 20–60%
Chromium Content ~20% 10–25%
Iron Content Balance Variable
Electrical Resistivity Stable, medium-high Variable, less stable
Max Operating Temperature ~1000°C 800–1100°C
Oxidation Resistance Good Moderate to Good
Thermal Cycling Stability Consistent Less predictable
Application Focus Precision resistors, circuits General heating

At DLX, we are committed to more than just providing alloy strips. We understand the challenges customers face when sourcing materials for precision electronics, and our approach reflects this:

  • Precision Manufacturing: We produce Cr20Ni35 Nichrome Strip with consistent thickness, width, and surface finish to meet strict tolerance requirements.

  • Comprehensive Quality Testing: Each batch undergoes resistivity testing, chemical analysis, and durability checks.

  • Customization Options: We can provide strips in various dimensions and surface conditions, depending on customer needs.

  • Global Export Service: Our extensive experience in international logistics ensures timely and secure deliveries.

These strengths allow us to be a trusted partner for manufacturers who depend on material consistency for high-performance electronic applications.

Applications in Real Equipment
Practical examples show the true value of Cr20Ni35:

  • In resistor production, it delivers stable resistance values, ensuring accuracy in circuit performance.

  • In industrial circuits, it maintains functionality even under fluctuating thermal conditions.

  • In automotive electronics, it contributes to reliable sensors and control systems.

  • In laboratory equipment, it offers dependable heating and electrical resistance for testing instruments.

By supplying strip material, DLX gives manufacturers the freedom to fabricate components precisely according to design specifications.

The role of Cr20Ni35 Nichrome Strip will continue to grow as the demand for precision electronics rises across sectors. With increasing reliance on automation, smart technologies, and electric vehicles, materials like Cr20Ni35 will be essential in building circuits that last longer and perform more consistently.

DLX is well-positioned to support this growth. By combining advanced production technology, customer-focused customization, and strong export capabilities, we are prepared to meet the expanding global need for Cr20Ni35 Nichrome Strip.

Cr20Ni35 Nichrome Strip is a reliable, cost-effective material for precision resistors and circuit applications. Its balanced composition provides stable resistivity, oxidation resistance, and durability in demanding environments. At DLX, we ensure that every strip we supply meets the highest quality standards, giving customers confidence in their electronic components. As industries push forward with advanced electronic systems, Cr20Ni35 will remain a trusted alloy—and DLX will continue to provide it with precision and reliability.

Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

About Us:

Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. 

For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

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Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

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Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

Cr20Ni35 Nichrome Strip for Precision Resistor and Circuit Applications

FAQs

Q1: What is the chemical composition of Cr20Ni35 Nichrome Strip?
A1: It contains about 35% nickel, 20% chromium, and the balance primarily iron.

Q2: What are the main applications of Cr20Ni35 Nichrome Strip?
A2: It is widely used in precision resistors, electrical circuits, and heating components.

Q3: How does Cr20Ni35 Nichrome Strip perform in high-temperature environments?
A3: It provides good oxidation resistance and stable electrical performance up to around 1000°C.

Q4: Is Cr20Ni35 suitable for precision electronic applications?
A4: Yes, its stable resistivity makes it ideal for precision resistors and circuit components.

Q5: What forms can Cr20Ni35 be supplied in?
A5: It is available as strips, wires, and rods depending on application needs.

Q6: Can Cr20Ni35 Nichrome Strip be welded and formed easily?
A6: Yes, it offers good weldability and formability for custom electrical components.

Q7: What is the advantage of Cr20Ni35 compared to general resistance alloys?
A7: It provides a balance of resistivity, durability, and cost-effectiveness for precision electronics.

Q8: Why source Cr20Ni35 Nichrome Strip from DLX?
A8: DLX ensures strict quality control, accurate customization, and reliable global supply.

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