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resistancealloy.com
Resistance Alloy Manufacturing

Premium Resistance & Heating Alloys

High-performance resistance wire, nickel wire, precision alloys, and heating components for industrial, scientific, and commercial applications.

TANKII Alloy Factory

About TANKII Alloy

TANKII ALLOY (XUZHOU) CO., LTD. has been deeply engaged in the material field for decades, establishing long-term and extensive cooperative relations in both domestic and international markets. Our products are exported to over 50 countries and regions, earning consistent praise from global customers.

As the second factory invested by Shanghai Tankii Alloy Materials Co., Ltd., we specialize in the production of high-resistance electric heating alloy wires, including nickel-chromium wire, Karma wire, and iron-chromium-aluminum wire, along with precision resistance alloys for critical applications.

50+
Countries Served
Decades
Industry Experience

Our Premium Products

Explore our comprehensive range of resistance wires, heating components, and precision alloys engineered for reliability and performance.

Nichrome Resistance Wire

Nichrome Resistance Wire

Ni80Cr20 / Ni70Cr30 high-temperature heating alloy with excellent oxidation resistance.

  • • High electrical resistivity
  • • Stable up to 1150°C
  • • Available in 0.02mm–5.0mm
FeCrAl Resistance Wire

FeCrAl Resistance Wire

0Cr21Al6Nb and 0Cr23Al5 alloys for electric furnaces and high-temp applications.

  • • Oxidation resistance up to 1400°C
  • • Low density, high strength
  • • Long service life
Pure Nickel Wire

Pure Nickel Wire (N6/N02200)

99.96% pure nickel wire for batteries, electronics, and chemical applications.

  • • High corrosion resistance
  • • Excellent ductility
  • • 0.025mm–2.0mm diameters
Manganin Resistance Wire

Manganin Resistance Wire

6J13 / CuMnNi alloy for precision shunts and measuring instruments.

  • • Ultra-low TCR
  • • High stability
  • • Ideal for 0.02mm–0.5mm shunts
Constantan Wire

Constantan Wire

CuNi55 alloy with near-zero temperature coefficient for precision resistors.

  • • Stable resistance over time
  • • Used in strain gauges
  • • 0.01mm–3.0mm available
Karma Wire

Karma Wire

NiCrAlTi alloy for high-reliability strain gauges and sensors.

  • • Excellent fatigue life
  • • Low hysteresis
  • • Stable at elevated temps
Insulated Alloy Wire

Insulated Alloy Wire

FEP, PFA, Silicone, Fiberglass insulation for harsh environments.

  • • 200°C+ insulation rating
  • • Chemical & moisture resistant
  • • Custom lengths & spools
Stranded Resistance Wire

Stranded Resistance Wire

Flexible NiCr, FeCrAl, CuNi stranded wires for dynamic applications.

  • • High flexibility
  • • Reduced skin effect
  • • Custom lay lengths

Why Choose TANKII?

Decades of expertise, strict quality control, and global reach ensure you get the best resistance alloy solutions.

50+
Countries Served

Global distribution network with reliable logistics.

99.96%
Purity Guaranteed

High-purity materials for consistent performance.

24h
Response Time

Dedicated support team ready to assist you.

ISO
Certified Quality

Manufacturing to international standards.

10,000+
Tons of Alloy Produced Annually
200+
Custom Alloys Developed
15+
Years of Industry Leadership

Frequently Asked Questions

What is the difference between Nichrome 80/20 and 70/30?

Nichrome 80/20 (Ni80Cr20) offers higher resistivity and better oxidation resistance up to 1150°C. Nichrome 70/30 (Ni70Cr30) has higher chromium content, providing even better oxidation resistance and longer life at high temperatures, suitable for applications up to 1250°C.

Can I use FeCrAl wire in vacuum environments?

FeCrAl alloys are not recommended for high-vacuum applications due to aluminum evaporation at high temperatures. For vacuum furnaces, consider Mo, W, or graphite elements instead.

What is the temperature coefficient of resistance (TCR) of Manganin?

Manganin (CuMnNi) has an extremely low TCR, typically ±20 ppm/°C over the range of 20–60°C, making it ideal for precision shunts and standard resistors where stability is critical.

Do you offer custom wire diameters and lengths?

Yes, TANKII provides custom drawing and spooling services. We can produce wires from 0.01mm to 8.0mm in diameter and supply in coils, spools, or cut lengths as per your specifications.

Get in Touch

For inquiries about our products, pricing, or technical specifications, contact our team today.

Contact Information

Phone: +86 150 0000 2421

Email: so@tankii.com

WhatsApp: +86 150 0000 2421

WeChat: Judy (ID: 150 0000 2421)

Address: 1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China

Visit Official Website to Contact

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