Shanghai Tankii Alloy Material Co.,Ltd
| Supply Ability | 1000kg/month |
| Sample Free | Available |
| Sample | Free |
| Delivery Time | 10-15days |
| Product Type | Wire |
| Payment Terms | T/T |
| Carbon Content | None |
| Serves | Small Oreder Accepted |
| standard | GB/ASTM/JIS/BIS/DIN |
| Packaging Details | case |
| Model Number | CuNi40 |
| Certification | ISO9001 |
| Brand Name | Tankii |
| Place of Origin | China |
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Product Specification
| Supply Ability | 1000kg/month | Sample Free | Available |
| Sample | Free | Delivery Time | 10-15days |
| Product Type | Wire | Payment Terms | T/T |
| Carbon Content | None | Serves | Small Oreder Accepted |
| standard | GB/ASTM/JIS/BIS/DIN | Packaging Details | case |
| Model Number | CuNi40 | Certification | ISO9001 |
| Brand Name | Tankii | Place of Origin | China |
| High Light | Constantan resistance alloy wire ，CuNi40 alloy wire ，Copper nickel resistance wire | ||
Constant CuNi40 Resistance Alloy Wire/Constantan
Product Description
Constantan Wire with moderate resistivity and low temperature coefficent of resistance with a flat resistance/temperature curve over a wider range than the "manganins". Constantan also shows better corrosion resistance than the man ganins. Uses tend to be restricted to ac circuits.
Constantan wire is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type T thermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.
Chemical Content, %
Ni |
Mn |
Fe |
Si |
Cu |
Other |
ROHS Directive |
|||
Cd |
Pb |
Hg |
Cr |
||||||
44 |
1.50% |
0.5 |
- |
Bal |
- |
ND |
ND |
ND |
ND |
Mechanical Properties
Max Continuous Service Temp |
400ºC |
Resisivity at 20ºC |
0.49±5%ohm mm2/m |
Density |
8.9 g/cm3 |
Thermal Conductivity |
-6(Max) |
Melting Point |
1280ºC |
Tensile Strength,N/mm2 Annealed,Soft |
340~535 Mpa |
Tensile Strength,N/mm3 Cold Rolled |
680~1070 Mpa |
Elongation(anneal) |
25%(Min) |
Elongation(cold rolled) |
≥Min)2%(Min) |
EMF vs Cu, μV/ºC (0~100ºC) |
-43 |
Micrographic Structure |
austenite |
Magnetic Property |
Non |
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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