Kemikali tiwqn
tiwqn | C | P | S | Mn | Si |
≤ | |||||
Akoonu(%) | 0.03 | 0.02 | 0.02 | 0.6 ~ 1.1 | 0.3 ~ 0.5 |
tiwqn | Ni | Cr | Mo | Cu | Fe |
Akoonu(%) | 49.0 ~ 51.0 | - | - | 0.2 | Bal |
Awọn ohun-ini ti ara
Ami itaja | Imugboroosi laini | Resistivity (μΩ·m) | iwuwo (g/cm³) | Curie ojuami (ºC) | Olusọdipúpọ magnetostriction ekunrere (10-6) |
1j50 | 9.20 | 0.45 | 8.2 | 500 | 25.0 |
Eto itọju igbona
ami itaja | Annealing alabọde | alapapo otutu | Jeki awọn iwọn otutu akoko / h | Oṣuwọn itutu agbaiye |
1j50 | hydrogen gbigbẹ tabi igbale, titẹ ko tobi ju 0.1 Pa | Pẹlú pẹlu alapapo ileru soke 1100 ~ 1150ºC | 3~6 | Ni 100 ~ 200 ºC / h iyara itutu si 600 ºC, yara si 300 ºC fa idiyele kan |