Strip - Supra 40 -Fe Ni400 pages
Cold Rolled Strip
Supra 40
1. Description, standards & chemical
SUPRA 40 is an iron-nickel soft magnetic alloys with maximum saturation induction and high permeability with very
good stampability. Main applications are clock motors parts, CTR gun grids.
International standards
Chemical composition (%weight)
Ni
JIS C 2531
Typical value
Fe
41
Bal
2. Physical properties
Density
(g/cm³)
8.15
Melting T°
(°C - °F)
1425 - 2597
Curie T°
(°C - °F)
330 -625
Thermal expansion
(10-6.°K-1)
4,5
Resistivity
( cm)
63
Thermal conduction
(W/°Km)
12,5
Specific heat
(J.Kg-1.°K-1)
500
3. Magnetic properties *
Conditions
Direct Current
Thickness
(mm - ")
0,35-0.0138
Saturation induction
(G - T at 10Oe – 800A/m)
14500-1,45
Coercive force
(Oe - A/m)
0.075- 6,0
Permeability
µmax 66000
* Typical values measured on rings sample thickness. 0,350.0138/ " after heat treatment at 1150° /210 2 ° in pure & dry Hydrogen (cooling rate: not
C
F
critical,50 to 100°
c/hour).
4. Mechanical properties *
9
Tensile strength
(MPa - KSI)
500
Elongation
(%)
30
-
700
3
Temper
Hardness (HV)
Grain size
Annealed
130
Hard
225
* 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
0.10-3.5 / .004-.138
10-640 /0.4-25.2
500-3500 / 19.7-137.8
Annealed / 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
Rue 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
© May 2012
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