Payment Terms | L/C, D/P, T/T, Western Union, MoneyGram |
Supply Ability | 600T per moth |
Delivery Time | 30days |
Packaging Details | on spool,paper box,wooden case/pallet,in coil |
Port | Shanghai,China |
Brand | TANKII |
Ni | BAL |
max continuous operating temperature(℃) | 300 |
resistivity(Ω/cmf,20℃) | 1.33 |
resisitivity(μΩ/m,60℉) | 800 |
density(g/cm³) | 8.1 |
thermal conductivity(KJ/m·h·℃) | 46.0 |
linear expansion coefficient(x10﹣6/℃)20-1000℃ | - |
tensile strength(N/m㎡) | 1400 |
melting point (℃) | 180 |
hardness(Hv) | 780 |
Elongation(%) | 10-20 |
Micrographic structure | austenite |
Magnetic property | non |
fast life(h/℃) | - |
grade | NiCr alloy |
application | aviation,electronics,industrial,medical,chemical |
type | Nickel Chrome wire |
ultimate strength( ≧mpa) | as standard |
surface | bright |
shape | wire |
Material | nickel chrome |
condition | hard/soft/half hard |
color | bright |
feature | good form stability |
MOQ | 100kg |
Brand Name | TANKII |
Model Number | karma |
Certification | JIS,GB,DIN,BS,ASTM,AISI,CTI |
Place of Origin | Shanghai,China |
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Product Specification
Payment Terms | L/C, D/P, T/T, Western Union, MoneyGram | Supply Ability | 600T per moth |
Delivery Time | 30days | Packaging Details | on spool,paper box,wooden case/pallet,in coil |
Port | Shanghai,China | Brand | TANKII |
Ni | BAL | max continuous operating temperature(℃) | 300 |
resistivity(Ω/cmf,20℃) | 1.33 | resisitivity(μΩ/m,60℉) | 800 |
density(g/cm³) | 8.1 | thermal conductivity(KJ/m·h·℃) | 46.0 |
linear expansion coefficient(x10﹣6/℃)20-1000℃ | - | tensile strength(N/m㎡) | 1400 |
melting point (℃) | 180 | hardness(Hv) | 780 |
Elongation(%) | 10-20 | Micrographic structure | austenite |
Magnetic property | non | fast life(h/℃) | - |
grade | NiCr alloy | application | aviation,electronics,industrial,medical,chemical |
type | Nickel Chrome wire | ultimate strength( ≧mpa) | as standard |
surface | bright | shape | wire |
Material | nickel chrome | condition | hard/soft/half hard |
color | bright | feature | good form stability |
MOQ | 100kg | Brand Name | TANKII |
Model Number | karma | Certification | JIS,GB,DIN,BS,ASTM,AISI,CTI |
Place of Origin | Shanghai,China | ||
High Light | Karma 6J22 Nicr Alloy ,NiCrFe Alloy Resistance Heating Wire ,Electrical Heating Elements Nicr Alloy |
NiCrAlFe alloy karma 6J22 resistance heating wire used in electrical heating elements
1. Karma alloy
Karma alloy is made up of copper, nickel, Aluminum and Iron as the main components. The resistivity is 2~3 times higher than MENTONG. It has lower temperature coefficient of resistance(TCR), lower thermal EMF versus copper, good permanence of resistance for a long period of time and strong anti-oxidation. Its working temperature range is wider than MENTONG (-60~300℃). It is suitable for making fine precision resistance elements and strain.
2. Karma size
Wire: 0.018mm-10mm
Ribbon: 0.05*0.2mm-2.0*6.0mm
Strip: 0.5*5.0mm-5.0*250mm
Bar: 10-100mm
3. Chemical Content(%)
Grade | C | Si | Mn | P | S | Ni | Al | Fe | Cr |
Karma | ≤0.04 | ≤0.20 | 0.5~1.05 | ≤0.010 | ≤0.010 | Bal. | 2.7~3.2 | 2.0~3.0 | 19.0~21.5 |
Physical Properties
Grade | Density(g/cm3) | EMF vs Pt(0-100℃)μv/℃ | Max using Temp (℃) | Volume resistivity(μΩ.m) | PPM value (×10-6/℃) |
Karma | 8.1 | ≤2.5 | ≤300 | 1.33±8%(20℃) | ≤±30(20℃) |
Port | Shanghai,China | fast life(h/℃) | - |
Brand | tankii | grade | NiCr alloy |
Ni | bal | application | heating element and resistor |
max continuous operating temperature(℃) | 300 | powder or not | not powder |
resistivity(Ω/cmf,20℃) | 1.33 | ltimate strength( ≧mpa) | as standard |
resisitivity(μΩ/m,60℉) | 800 | type | Nickel Chrome strip |
density(g/cm³) | 8.1 | surface | bright |
thermal conductivity(KJ/m·h·℃) | 46 | shape | strip |
linear expansion coefficient(x10﹣6/℃)20-1000℃ | - | Material | nickel chrome |
melting point (℃) | 1400 | condition | bright |
hardness(Hv) | 180 | color | silvery white |
Elongation(%) | 10-20 | density | 8.1 g/cm3 |
Micrographic structure | austenite | feature | good form stability |
Magnetic property | non | MOQ | 100kg |
4. Distinctive features of Karma resistance wire
1) Starting with Nickel Chromium electric heat wire Class 1, we replaced some of the Ni with Al and other elements, and thus achieved a precision resistance material with improved resistance temperature coefficient and heat electromotive force against copper. With the addition of Al, we have succeeded in making volume resistivity 1.2 times greater than Nickel Chromium electric heat wire Class 1 and the tensile strength 1.3 times greater.
2) The secondary temperature coefficient β of Karmalloy wire KMW is very small, - 0.03 × 106/ K2, and the resistance temperature curve turns out to be almost a straight line within a wide emperature range.
Therefore, the temperature coefficient is set to be the average temperature coefficient between23 ~ 53 °C, but 1 × 10-6/K, the average temperature coefficient between 0 ~ 100 °C, also may be adopted for
the temperature coefficient.
3) Electromotive force against copper between 1 ~ 100 °C is also small, below + 2 μV/K, and exhibits
excellent stability over a period of many years.
4) If this is to be used as a precision resistance material, low temperature heat treatment is required
to eliminate processing distortions just as in the case of Manganin wire CMW.
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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