Kev piav qhia txog khoom
ConstantanCov hlau uas muaj qhov tsis kam tiv taus nruab nrab thiab qhov kub tsis tshua muaj coefficient ntawm kev tiv taus nrog lub tiaj tus tsis kam/kub nkhaus hla ntau dua li "manganins". Constantan kuj qhia tau tias muaj kev tiv taus corrosion zoo dua li cov txiv neej ganins. Kev siv feem ntau tsuas yog txwv rau ac circuits.
Cov hlau Constantan kuj yog qhov tsis zoo ntawm hom J thermocouple nrog Hlau yog qhov zoo; hom J thermocouples siv rau hauv kev kho cua sov. Tsis tas li ntawd, nws yog qhov tsis zoo ntawm hom T thermocouple nrog OFHC Tooj liab yog qhov zoo; hom T thermocouples siv rau ntawm qhov kub cryogenic.
Cov Ntsiab Lus Tshuaj,%
| Ni | Mn | Fe | Si | Cu | Lwm yam | Cov Lus Qhia ROHS | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
![]()
![]()
![]()
![]()
Cov Khoom Siv Kho Tshuab
| Max Kev Pabcuam Txuas Ntxiv Mus | 400ºC |
| Kev tiv taus ntawm 20ºC | 0.49 ± 5% ohm mm2 / m |
| Qhov Ceev | 8.9 g/cm3 |
| Kev Ua Kub | -6 (Tshaj plaws) |
| Melting Point | 1280ºC |
| Lub zog tensile, N / mm2 Annealed, Mos | 340 ~ 535 Mpa |
| Lub zog tensile, N / mm3 Txias dov | 680 ~ 1070 Mpa |
| Kev ncua ntev (anneal) | 25% (Yam tsawg kawg nkaus) |
| Kev ncab (kub dov) | ≥Min)2% (Min) |
| EMF vs Cu, μV/ºC (0~100ºC) | -43 |
| Cov Qauv Micrographic | austenite |
| Khoom Siv Sib Nqus | Tsis yog |
![]()
![]()
![]()
![]()
150 0000 2421