Harga Pabrik TANKII Tembaga Nikel Alloy Resistor Listrik Constantan Tape konstantan strip
Definisi Constantan
Resistance alloy karo resistivitas Moderate lan koefisien suhu kurang saka resistance karo resistance flat / kurva suhu liwat sawetara luwih akeh tinimbang "manganin". Constantan uga nuduhake ketahanan korosi sing luwih apik tinimbang man ganins. Panggunaan cenderung diwatesi ing sirkuit ac. Constantan uga minangka unsur negatif saka termokopel tipe J kanthi wesi minangka positif; termokopel tipe J digunakake ing aplikasi perawatan panas. Uga, iku unsur negatif saka jinis T thermocouple karo OFHC Tembaga positif; termokopel tipe T digunakake ing suhu kriogenik.
Kandungan Kimia,%
Ni | Mn | Fe | Si | Cu | Liyane | Arahan ROHS | |||
Cd | Pb | Hg | Cr | ||||||
44 | 1,50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Sifat Mekanik
Max Layanan Terus-terusan Temp | 400 ℃ |
Resisivity ing 20 ℃ | 0,49±5%ohm mm2/m |
Kapadhetan | 8,9 g/cm3 |
Konduktivitas termal | -6 (Maks.) |
Titik Lebur | 1280 ℃ |
Kekuwatan Tarik, N/mm2 Anil, Lembut | 340~535 Mpa |
Kekuwatan Tarik, N/mm3 Cold Rolled | 680~1070 Mpa |
Elongation (anneal) | 25% (Min) |
Elongation (digulung dingin) | ≥Min)2%(Min) |
EMF vs Cu, μV/ºC (0~100ºC) | -43 |
Struktur Mikrografi | austenit |
Sifat Magnetik | Non |
Jeneng dagang Constantan:
Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan