Shanghai Tankii Alloy Material Co.,Ltd
| Supply Ability | 2000tons per year |
| Model NO. | NF20 |
| shape | round wire, flat wire |
| diameter | 0.025-5.0mm |
| Delivery Time | 15-25days |
| TCR | 2500-4600 |
| Payment Terms | L/C, T/T, Western Union |
| Type | nickel based wire |
| Resistivity | 0.13-0.60 |
| Material | Nickel Iron alloy wire |
| Transport Package | Spool+ Carton+Wooden Case |
| Packaging Details | wooden case |
| sample | accepted sample order |
| Model Number | PTC |
| Certification | ISO9001 Rohs |
| Place of Origin | China |
| Brand Name | Tankii |
View Detail Information
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Product Specification
| Supply Ability | 2000tons per year | Model NO. | NF20 |
| shape | round wire, flat wire | diameter | 0.025-5.0mm |
| Delivery Time | 15-25days | TCR | 2500-4600 |
| Payment Terms | L/C, T/T, Western Union | Type | nickel based wire |
| Resistivity | 0.13-0.60 | Material | Nickel Iron alloy wire |
| Transport Package | Spool+ Carton+Wooden Case | Packaging Details | wooden case |
| sample | accepted sample order | Model Number | PTC |
| Certification | ISO9001 Rohs | Place of Origin | China |
| Brand Name | Tankii | ||
| High Light | NF20 PTC thermistor overcurrent protection ，resettable thermistor resistor nickel alloy ，PTC thermistor overheat protection resistor | ||
PTC Alloy resistance wire has medium resistivity and high positive temerature coefficient of esistance .
It has widely used in various heaters. It can automatically control temperature and sdjust power by keeping constant current and limiting current.
Chemical composition:
| Name | Code | Main Composition | |||||
| Fe | S | Ni | C | P | Standard | ||
| Temperature Sensitive Resistance alloy wire | PTC | Bal. | ≤0.01 | 77~82 | ≤ 0.05 | ≤0.01 | JB/T12515-2015 |
Specifications and tolerances
| Diameter | 0.05 | 0.10 | 0.15 | 0.16 | 0.17 | 0.18 | 0.19 | 0.20 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 |
| Tolerance | ± 0.003 | ± 0.005 | ± 0.008 | ||||||||||
Temp.Coeff.Of resistance(20ºC)
| Type | PTC-4500 | PTC-4000 | PTC-3800 | PTC-3400 | PTC-3000 | PTC-2500 |
| 0~150ºCaverage, PPM | 4500 | 4000 | 3800 | 3400 | 3000 | 2500 |
Resistivity (20ºC)(μΩ.m)
| Type | PTC-4500 | PTC-4000 | PTC-3800 | PTC-3400 | PTC-3000 | PTC-2500 |
| at20ºCresistance ±5%μΩ.m | 0.20 | 0.38 | 0.40 | 0.43 | 0.52 | 0.6 |
The table for resistance
| Product | ±0.5%Ω/m | Dia.(mm)and cross-sectional area (mm²) | ||||||||||||
| 0.05 | 0.10 | 0.15 | 0.16 | 0.17 | 0.18 | 0.19 | 0.20 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | ||
| 0.00196 | 0.00785 | 0.00176 | 0.0201 | 0.0227 | 0.0255 | 0.0284 | 0.0314 | 0.0346 | 0.0380 | 0.0415 | 0.0452 | 0.0491 | ||
| PTC-4500 | 96.93 | 24.20 | 10.79 | 9.45 | 8.37 | 7.45 | 6.69 | 6.05 | 5.49 | 5.00 | 4.58 | 4.20 | 3.87 | |
| PTC-4000 | 127.55 | 31.84 | 14.20 | 12.43 | 11.014 | 9.80 | 8.80 | 7.69 | 7.22 | 6.58 | 6.02 | 5.53 | 5.09 | |
| PTC-3800 | 137.75 | 34.39 | 15.34 | 13.43 | 11.89 | 10.59 | 9.51 | 8.60 | 7.80 | 7.11 | 6.51 | 5.97 | 5.50 | |
| PTC-3500 | 183.67 | 45.85 | 20.45 | 17.91 | 15.86 | 14.12 | 12.68 | 11.46 | 10.40 | 9.47 | 8.67 | 7.96 | 7.33 | |
| PTC-3000 | 204.08 | 50.95 | 22.72 | 19.90 | 17.62 | 15.68 | 14.08 | 12.73 | 11.56 | 10.52 | 9.63 | 8.84 | 8.14 | |
| PTC-2500 | 219.38 | 54.77 | 24.43 | 21.39 | 18.94 | 16.86 | 15.14 | 13.69 | 12.42 | 11.31 | 10.36 | 9.51 | 8.75 | |
The weight per spool
| specification (mm) | ≤0.05 | >0.05~0.10 | >0.10~0.15 | >0.15~0.25 | |
| Weight per spool | Standard weight | 20 | 30 | 100 | 300 |
| Lesser weight | 10 | 20 | 50 | 100 | |
Elongation(%)
| Standard | ≤0.05 | >0.05~0.10 | >0.10~0.15 | >0.15~0.25 |
| Alloy wire (soft)elongation | 10% | 12% | 16% | 20% |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1981
Total Annual:
8000000-100000000
Employee Number:
90~100
Ecer Certification：
Verified Supplier
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb... Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb...
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