Strip - Supermimphy®T - Ni80FeMo50 pages
Cold Rolled Strip
Supermimphy t
1. Description, standards & chemical
SUPERMIMPHY T is nickel-iron soft magnetic alloy with very high permeability and high purity suitable for toroidal
cores (e.g. wound strip used in Earth Leakage Circuit Breakers) and high performance current transformer cores
International standards
Chemical composition (%weight)
Ni
Typical value
Mo
Fe
80
DIN 17405, IEC 404, JIS C 2531
5
Bal
2. Physical properties
Density
Melting T°
Curie T°
(g/cm³)
(°C - °F)
(°C - °F)
8.7
1450 - 2642
420 - 788
Thermal expansion
(10-6.°K-1)
12
Resistivity
Thermal conduction
Specific heat
(µΩcm)
(W/°Km)
(J.Kg-1.°K-1)
60
19
460
3. Magnetic properties *
Conditions
Thickness
(mm - ")
Permeability
(at 5 mOe ≈ 0.4 A/m)
Maximum permeability
AC 50Hz
0.070 - 0.00276
315000
430000
* Typical values measured on wound cores 30 x 20 x 20 x th. 0.07mm / 0.000276" after heat treatment at 1170° / 2138° in pure & dry
C
F
Hydrogen after proper cooling plus baking at optimum temperature
4. Mechanical properties *
Temper
Hard
Hardness
(HV)
320
Grain
size
-
Tensile strength
(MPa - KSI)
-
Yield strength
(MPa - KSI)
-
Elongation
(%)
-
Young's modulus
(MPa - KSI)
-
* 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 / ")
Temper
Coil
0.05 to 0.35 / .00197 to .0138
10 to 300 / .394 to 11.81
Hard
* 0.07mm / 0.00275" thickness is commonly produced
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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