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Strip - MumetaL - FeNi80Mo50 pages
Cold Rolled Strip
Mumetal
1. Description, standards & chemical
MUMETAL is nickel-iron soft magnetic alloy with very high permeability suitable for sensitive electronic equipment
shieldings
International standards
Chemical composition (%weight)
Ni
Typical value
Mo
Fe
80
ASTM A 753, DIN 17405, IEC 404, JIS C 2531
5
Bal
2. Physical properties
Density
Melting T°
Curie T°
Thermal expansion
Resistivity
Thermal conduction
Specific heat
(g/cm³)
(°C - °F)
(°C - °F)
(10-6.°K-1)
(µΩcm)
(W/°Km)
(J.Kg-1.°K-1)
8.7
1450 - 2642
420 - 788
12
60
19
460
3. Magnetic properties *
Conditions
DC
Thickness
(mm - ")
1 - 0.04
Saturation induction
(G - T at 1 Oe ≈ 80 A/m)
7500 - 0.75
Coercive force
(Oe - A/m)
0.005 - 0.4
Permeability
(at 5 mOe ≈ 0.4 A/m)
470000
* Typical values measured on rings sample th. 1mm / 0.04" after heat treatment at 1170° / 2138° in p ure & dry Hydrogen after proper cooling
C
F
4. Mechanical properties *
8
Tensile strength
(MPa - KSI)
650 - 94
Yield strength
(MPa - KSI)
280 - 41
Elongation
(%)
35
-
1050 - 152
1030 - 149
3
Temper
Hardness (HV)
Grain size
Soft
160
Hard
320
* Typical values for material to be tested in accordance with NF EN 10002, NF EN ISO 6507, NFA 04102
5. Standard Delivery & dimensions available
Form *
Thickness (mm / ")
Width (mm / ")
Length (mm / ")
Temper
Coil - Sheet
0.10 to 3.5 / .004 to .138
10 to 640 / .4 to 25.2
500 to 3500 / 19.7 to 137.8
Soft / Hard
* Depending on thickness, width & temper
The data enclosed in this document are only given as indicative values and correspond to our standard product. Different specific requirement are
subject to discussion and formal approval by Aperam Alloys Imphy. For further information or special request, please contact us.
Aperam Alloys Imphy
B.P. 1
Avenue Jean Jaurès
F- 58160 Imphy
Tel + 33 3 86 21 30 00
Fax + 33 3 86 21 31 00
nickel.alloys@aperam.com
www.aperam.com/alloys-imphy
© June 2012
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