Constantan Definition
Resistance alloy ine mwero resistivity uye yakaderera tembiricha coefficent yekupikisa ine flat kuramba/tembiricha curve pamusoro pehupamhi hwakakura kupfuura "manganins".CuNi44 Alloy wire inoratidzawo zvirinani kusaita ngura kupfuura yemurume. Mashandisirwo anowanzo kuve akaganhurirwa kune ac maseketi.CuNi44/ CuNi40 /CuNi45 Constantan Copper Nickel Alloy Wire zvakare chinhu chisina kunaka cherudzi rweJ thermocouple ine Iron iri iyo yakanaka; Type J thermocouples inoshandiswa mukupisa kurapa maapplication. Zvakare, ndicho chinhu chisina kunaka cherudzi rweT thermocouple ine OFHC Mhangura iyo yakanaka; mhando T thermocouples anoshandiswa pane cryogenic tembiricha.
Chemical Content(%)CuNi44
| Ni | Mn | Fe | Si | Cu | Zvimwe | ROHS Directive | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Mechanical Properties CuNi44
| Max Inopfuurira Service Temp | 400 ºC |
| Resistivity pa20ºC | 0.49 ± 5% ohm*mm2/m |
| Density | 8.9 g/cm3 |
| Temperature Coefficient of Resistance | < -6 × 10-6/ºC |
| EMF VS Cu (0~100ºC) | -43 μV/ºC |
| Melting Point | 1280 ºC |
| Tensile Simba | Min 420 Mpa |
| Elongation | Zvishoma 25% |
| Micrographic Structure | Austenite |
| Magnetic Property | Kwete. |
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