Soft Magnetic Alloy Mu-Metal(Ni79Mo4)
Cross Reference |
Country | International Grade |
Russia(ГOCT) | 79HM |
USA(SATM) | Hy mu80/Permalloy 80/Mu metal /Magnifer 7904 |
Japan(JIS) | PC |
UK(BS) | C-Permalloy |
France(NF) | Anny-SterM |
China(GB) | 1J79 |
Chemical Composition(%) |
C | P | S | Mn | Si | Ni | Mo | Cu | Fe |
≤0.03 | ≤0.02 | ≤0.02 | 0.6-1.0 | 0.3-0.5 | 78.5-80.0 | 3.8-4.1 | ≤0.20 | Bal |
Physical Properties |
Resisitivity | 0.55 | μΩ·m |
Density | 8.6 | G/cm3 |
Curie Point | 450 | ℃ |
Tensile Strength | 115-234 | Ób/MPa |
Elongation | 65 | Ó5≥(%) |
AC Magnetic Properties for Strip(Min Value) |
Thickness/mm | The peak for the magnetic field strength is 0.1A/m,Under different frequencies of flexible magnetic permeability μm/(mH/m) | |||
60Hz | 400Hz | 1KHz | 10KHz | |
0.02 | 17.5 | 12.5 | ||
0.05 | 18.8 | 9.4 | ||
0.10 | 22.5 | 15 | ||
0.20 | 12.5 | 7.5 | ||
0.35 | 25 | 8.8 | ||
Coefficient of Linear Expansion At different Temperature/(X106)) |
20-100℃ | 20-200℃ | 20-300℃ | 20-400℃ | 20-500℃ | 20-600℃ | 20-700℃ |
1.3-10.8 | 10.9-11.2 | 11.4-12.9 | 11.9-12.5 | 12.3-13.2 | 12.7-13.4 | 13.1-13.6 |
Magnetic Properties |
Cold Rolling Strip (Grade I ) | ||||
(Ȯ&D)/mm | μ0.08/(mH/m)≥ | μm/(mH/m)≥ | Bs/T≥ | Hc/(A/m)≤ |
0.005 | 12.5 | 44.0 | 0.75 | 6.4 |
0.01 | 17.5 | 87.5 | 0.75 | 4.8 |
0.02-0.04 | 20.0 | 112.5 | 0.75 | 4.0 |
0.05-0.09 | 22.5 | 137.5 | 0.75 | 2.8 |
0.10-0.19 | 25.0 | 162.5 | 0.75 | 2.0 |
0.02-0.34 | 28.0 | 225.0 | 0.75 | 1.6 |
0.35-1.00 | 30.0 | 250.0 | 0.75 | 1.2 |
1.10-2.50 | 27.5 | 225.0 | 0.75 | 1.6 |
2.50-3.00 | 26.3 | 187.5 | 0.75 | 2.0 |
Cold Rolling Strip (Grade II) | ||||
(Ȯ&D)/mm | μ0.08/(mH/m)≥ | μm/(mH/m)≥ | Bs/T≥ | Hc/(A/m)≤ |
0.02-0.04 | 22.5 | 125.0 | 0.75 | 2.4 |
0.05-0.09 | 25.0 | 150 | 0.75 | 2.0 |
0.10-0.19 | 27.5 | 187.5 | 0.75 | 1.6 |
0.20-0.34 | 31.3 | 250.0 | 0.75 | 1.2 |
0.35 | 32.5 | 275.0 | 0.75 | 0.96 |
Cold Rolling Strip (Grade III) | ||||
(Ȯ&D)/mm | μ0.08/(mH/m)≥ | μm/(mH/m)≥ | Bs/T≥ | Hc/(A/m)≤ |
0.01 | 25.0 | 150.0 | 0.73 | 2.4 |
0.02-0.04 | 31.0 | 190.0 | 0.73 | 1.6 |
0.05-0.09 | 38.0 | 250.0 | 0.73 | 1.2 |
0.10-0.19 | 38.0 | 250.0 | 0.73 | 1.2 |
0.20-0.34 | 38.0 | 280.0 | 0.73 | 1.0 |
0.35 | 44.0 | 310.0 | 0.73 | 1.0 |
Heat Treatment Regime |
Annealing | Quenching | Tempering | Normalizing |
√ | √ | √ | √ |
Range of Products |
Product Type | Products | Dimension/mm | Processes | Deliver |
Plate/Sheet | Plate/Sheet | 1.0-40.0 | Hot Rolling and Cold Rolling | Cold State Soft State |
Rod | Round Bar | 5.0-180 | Forging,hot rolled and cold rolled | Black, bright |
Coil/Strip | Coil/Strip | 0.05-1.5 | Cold Rolled,bright | Cold State Soft State |
1. Custom-size Sample
Our factory provide free samples (not include freight).Small Pieces with envelope bags, low cost and short delivery time.
(we have long time cooperation with delivery companies ,low freight charge guaranteed)
2. Small quantity ,short delivery time.
Small quantity accepted, if we have stocks , delivery as small as 1 kilogram to your specification. delivery time within 5 working days.custom-made order amount of 50Kg and up.(some materials are allowed 20-30kg) as few as 2 weeks.
3. Quality
We are very carefully balance the quality, ISO9001:2008 ,SGS,CQC approved since 2000.
(The whole process from raw material to finished products can be traced.)
4. After sales
Our factory provides long-time after sales service. Also have strong technical support team when you need.
