Product Information
- Soft magnetic alloy1j85 mumetal supermalloy plate/sheet
Precision alloy Mumetal is 80% nickel with additions of iron and molybdenum as main
elements in turn this alloy offers an extremely high initial
permeability. It is only moderately resistant to moisture and
atmospheric corrosion, Precision alloy used mainly in in transformer cores but is well known for its magnetic properties which are used for shielding electrical
components from magnetic fields. "HYMU 80" has a minimum DC
permeability of 80,000 at a flux density of 40 gauss when heat
treated by the recommended procedure and test in accordance with
ASTM 596
Physical Properties (Annealed Condition)
Specific Gravity - 8.7g/cm
Curie Temperature - 830°F (410°C)
Electrical Resistivity, 349 ohm circ mil/foot 0.55 ohm mm²m
Density lb/cu.in. - 316
Thermal Conductivity - 134 btu-inch/ft hour °F 0.32 W/cm °C
Coefficient of Thermal Expansion, in./in. °F x 10 (-******)
7.2in/in °F x 10-6 between 70 and 400F
13cm/cm/ °C 10-6 between 30 and 204 °C Precision alloy Precision alloy Precision alloy Precision alloy
Precision alloy Precision alloy Precision alloy Precision alloy
Fe-Ni Soft Magnetic Alloy (GBn198-1988)
Supermalloy
Chinese 1J85
Ni80Mo5
precision alloy precision alloy precision allo
| The Chemical Composition of Supermalloy |
| Grade | C≤ | P≤ | S≤ | Cu≤ | Si | Mn | Mo | Ni | Fe |
| 1J85 | 0.03 | 0.02 | 0.02 | 0.20 | 0.15~0.3 | 0.30~0.60 | 4.80~5.20 | 79.0~81.0 | Banlance |
| The Physical Property of Supermalloy |
| Grade | Resistivity(μΩ.m) | Density(g/cm3) | Curie Point ℃ | High Saturated magneto-striction coefficient λθ/10-6 |
| 1J85 | 0.56 | 8.75 | 400 | 0.5 |
| Application of Supermalloy |
Precision Supermalloy alloy is used in manufacturing components for radio
engineering,telephony and telemechanics instruments
PRODUCT APPLICATION
Permalloy
Permalloy is used in transformer laminations and magnetic recording
head sensors,in its initial application,permalloy was wrapped
around the insulated copper conductors of telecommunication
cables,reducing signal distortion through improved inductive
compensation of cable capacitive reactance.
High performance magnetic cores such as toroids and stacked
laminations
Magnetic shielding to protect sensitive components from extraneous
magnetic fields
Magnetic sensors
Current sensors
Any delicate application requiring high permeability magnetic
material, with a low coercive field and low losses, in the range
from low frequency up to 1MHz
