Chemical composition
composition | C | P | S | Mn | Si |
≤ | |||||
Content(%) | 0.03 | 0.02 | 0.02 | 0.6~1.1 | 0.3~0.5 |
composition | Ni | Cr | Mo | Cu | Fe |
Content(%) | 49.0~51.0 | - | - | 0.2 | Bal |
Physical properties
Shop sign | Linear expansion coefficient | Resistivity (μΩ·m) |
Density (g/cm³) |
Curie point (ºC) |
Saturation magnetostriction coefficient (10-6) |
1j50 | 9.20 | 0.45 | 8.2 | 500 | 25.0 |
Heat treatment system
shop sign | Annealing medium | heating temperature | Keep the temperature time/h | Cooling rate |
1j50 | Dry hydrogen or vacuum, pressure is not greater than 0.1 Pa | Along with the furnace heating up 1100~1150ºC | 3~6 | In 100 ~ 200 ºC / h speed cooling to 600 ºC, fast to 300 ºC draw a charge |