Strip - Permimphy SP -Ni80FeMo50 pages

Cold Rolled Strip

Permimphy SP
1. Description, standards & chemical
PERMIMPHY SP is nickel-iron soft magnetic alloy used for the manufacture of stator watch motors
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°

(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
DC

Thickness
(mm - ")
0.34 - 0.0134

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)
520000

* Typical values measured on rings sample th. 0.34mm / 0.0134" after heat treatment at 1170° / 2138° in pure & dry Hydrogen after proper
C
F
cooling

4. Mechanical properties *
Temper
Hard

Hardness
(HV)
320

Grain
size
-

Tensile strength
(MPa - KSI)
1050 - 152

Yield strength
(MPa - KSI)
1030 - 149

Elongation
(%)
3

Young's modulus
(MPa - KSI)
230000 - 33350

* 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

0.40 to 0.70 / .0157 to .0275

10 to 640 / .4 to 25.2

-

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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