cr25ni20 NiCr Resistance Wire, Max 1100 °C
Performance: High-strength oxidation resistance and corrosion resistance, suitable for long-term use under high-temperature conditions.
Composition: chromium>24%, nickel>18%.
Operating temperature: Maximum working temperature up to 1200℃.
Applications: Used as heating wires in high-temperature kilns. This product conforms to the following international standards: • GB/T 1234-2012 – Chinese Standard for Electric Resistance Alloys • ASTM B344 – Standard Specification for Electric Resistance Wire (USA) • GOST 9386-75 – Specification for Nichrome and FeCrAl Heating Wires (Russia) • EN 10095 – Heat-resisting Steels and Nickel Alloys (EU) • JIS C2520 – Resistance Wire Material Standard (Japan) • DIN 17470 – Specification for Heating Alloy Materials (Germany)
Standards:
- GB/T 1234-2012 – Chinese standard for electric resistance alloys
- ASTM B344 – Standard specification for electric resistance wire (USA)
- GOST 9386-75 – Nichrome and FeCrAl heating wires (Russia)
- EN 10095 – Heat-resisting steels and nickel alloys (EU)
- JIS C2520 – Resistance wire material standard (Japan)
- DIN 17470 – Heating alloy materials (Germany)
Resistivity by grade
| Grade | Diameter / mm | Resistivity (20 °C) μΩ·m |
|---|---|---|
| Cr20Ni80 | <0.50 / 0.50–3.00 / >3.00 | 1.09 / 1.13 / 1.14 ±0.05 |
| Cr30Ni70 | <0.50 / ≥0.50 | 1.18 / 1.20 ±0.05 |
| Cr15Ni60 | <0.50 / ≥0.50 | 1.12 / 1.15 ±0.05 |
| Cr20Ni35 | — | 1.04 ±0.05 |
| Cr20Ni30 | — | 1.04 ±0.05 |
| Cr20Ni25 | <0.50 / 0.50–3.00 / >3.00 | 1.25 / 1.23 / 1.35 ±0.06–0.08 |
| 0Cr25Al5 | 0.020–10.00 | 1.40 ±0.07 |
| 0Cr23Al5 | — | 1.35 ±0.06 |
| 0Cr21Al6Nb | — | 1.42 ±0.07 |
| 0Cr21Al4 | — | 1.25 ±0.08 |
| 0Cr27Al7Mo2 | — | 1.53 ±0.07 |
| 0Cr18Al3 | — | 1.25 ±0.08 |
| 0Cr13Al4 | — | 1.23 ±0.07 |
Physical & mechanical properties
| Grade | Density g/cm³ | Elongation % | Tensile strength MPa |
|---|---|---|---|
| Cr20Ni80 | 8.4 | 20–30 | 650–800 |
| Cr30Ni70 | 8.2 | 18–25 | 600–750 |
| Cr15Ni60 | 8.2 | 15–25 | 650–850 |
| Cr20Ni35 | 7.9 | 15–22 | 600–750 |
| Cr20Ni30 | 7.8 | 15–20 | 580–700 |
| Cr20Ni25 | 7.8 | 12–18 | 550–680 |
| 0Cr25Al5 | 7.1 | 8–15 | 600–800 |
| 0Cr23Al5 | 7.1 | 8–12 | 650–850 |
| 0Cr21Al6Nb | 7.2 | 10–18 | 600–850 |
| 0Cr21Al4 | 7.1 | 10–16 | 550–750 |
| 0Cr27Al7Mo2 | 7.2 | 6–10 | 700–900 |
| 0Cr18Al3 | 7.0 | 12–20 | 500–700 |
| 0Cr13Al4 | 7.0 | 10–18 | 550–750 |
| Kanthal grade | Chinese grade | Max temp °C | Main composition (reference) |
|---|---|---|---|
| A-1 | 0Cr25Al5 | 1400 | Cr 22–23 %, Al 5.8–6.0 % |
| A | 0Cr21Al6 / 0Cr23Al5 | 1350 | Cr 21–23 %, Al 5.5–6.5 % |
| D | 0Cr21Al4 | 1300 | Cr 20–22 %, Al 4.0–5.0 % |
| AF | 0Cr27Al7Mo2 | 1400 | Cr 26.5–27.8 %, Al 6.0–7.2 %, Mo |
| X | 0Cr21Al4 / 0Cr23Al5 | 1250 | Cr 21–22 %, Al 4.5–5.5 % |
| N80 (NiCr 80/20) | Cr20Ni80 | 1100 | Ni 76–80 %, Cr 19–21 % |
| N60 (NiCr 60/15) | Cr15Ni60 | 1050 | Ni 58–61 %, Cr 15–16 % |
| NiCr 70/30 | Cr30Ni70 | 1050 | Ni 68–72 %, Cr 28–31 % |
Product Form:
Coils(diameter≥1.0mm)/Spools(diameter<1.0mm), or specified by the buyer.
Inner Package Form:
Coils package with plastic film/bulk bag, spools package in cardboard boxes, or specified by the buyer.
Shipping Package Form:
Carton/wooden box, or specified by the buyer
Delivery time and shipping are quoted per order; FOB Shanghai by default, other trade terms on request.
Q: Are you a factory or a trading company?
We are a manufacturer, and all our products are priced at FOB Shanghai Port by default. Alternatively, we can accommodate customer-specified trade terms.
Q: Can your products be customized?
Absolutely. We can recommend the most suitable product based on your required ingredients and accept OEM, ODM, and CMT services.
Q: What is your monthly shipment volume and delivery time?
Our shipment volume and delivery time vary based on our inventory and production capacity. If you have specific requirements regarding delivery time and quantity, please contact us for details.
Q: How are sample costs calculated?
For samples valued below 200 RMB, we do not charge for the sample itself; however, the buyer is responsible for the shipping fees.