Shanghai Tankii Alloy Material Co.,Ltd
| Payment Terms | T/T,D/P,D/A,L/C,Western Union |
| Supply Ability | 5000kg/Month |
| Delivery Time | 15-25days |
| Packaging Details | case |
| colour | silver white |
| standard | GB/ASTM/JIS/BIS/DIN |
| Sample | Small Order Accepted |
| surface | Bright |
| Density | 8.9(g/cm3) |
| Resistivity | 0.49+/-5% |
| Brand Name | Tankii |
| Model Number | CuNi44 Constantan |
| Certification | ISO90001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,D/P,D/A,L/C,Western Union | Supply Ability | 5000kg/Month |
| Delivery Time | 15-25days | Packaging Details | case |
| colour | silver white | standard | GB/ASTM/JIS/BIS/DIN |
| Sample | Small Order Accepted | surface | Bright |
| Density | 8.9(g/cm3) | Resistivity | 0.49+/-5% |
| Brand Name | Tankii | Model Number | CuNi44 Constantan |
| Certification | ISO90001 | Place of Origin | China |
| High Light | Constantan strip copper nickel alloy ，CuNi44 alloy foil strip ，0.02x100mm Constantan foil | ||
0.02x100mm CuNi44 Constantan strip Copper Nickel Alloy foil
Chemical Content, %
| Ni | Mn | Fe | Si | Cu | Other | ROHS Directive | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1% | 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 |
main specifications and main technical parameter of resistance alloy constantan wire
| main property type | NC003 Cuni1 | NC005 CuNI2 | NC010 CuNI6 | NC015 CuNI10 | NC025 CuNi19 | NC030 CuNi23 | NC035 CuNi30 | NC040 CuNi34 | NC050 CuNI44 | |
| main chemical composition | Ni | 1 | 2 | 6 | 10 | 19 | 23 | 30 | 34 | 44 |
| MN | / | / | / | / | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 | |
| CU | rest | rest | rest | rest | rest | rest | rest | rest | rest | |
| max working temperature | / | 200 | 220 | 250 | 300 | 300 | 350 | 350 | 400 | |
| density g/cm3 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
| resistivity at 20 °c | 0.03 ±10% | 0.05 ±10% | 0.10 ±10% | 0.15 ±10% | 0.25 ±5% | 0.30 ±5% | 0.35 ±5% | 0.40 ±5% | 0.49 ±5% | |
| temperature coefficient of resistance | <100 | <120 | <60 | <50 | <25 | <16 | <10 | -0 | <-6 | |
| tensile strength mpa | >210 | >220 | >250 | >290 | >340 | >350 | >400 | >400 | >420 | |
| elongation | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | |
| melting point °c | 1085 | 1090 | 1095 | 1100 | 1135 | 1150 | 1170 | 1180 | 1280 | |
| coefficient of conductivity | 145 | 130 | 92 | 59 | 38 | 33 | 27 | 25 | 23 |
Application of Constantan
Constantan is a copper-nickel alloy that contains specific minor amounts of additional elements to achieve precise values for the temperature coefficient of resistivity. Careful control of melting and conversion practices results in a very low level of pinholes at ultra-thin thicknesses. The alloy is used extensively for foil resistors and strain gauges.
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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