Strip - AFK®1 - FeCo250 pages

Cold Rolled Strip

AFK 1
AFK1 is an iron-Cobalt soft magnetic alloy suitable for compact generators and motor laminations.
International standards

Chemical composition %weight
Co
Typical value

Cr

Mn

Fe

27

ASTM A 801, IEC404

2

0,3

Bal

Physical properties
Density
(g/cm3)
8

Resistivity
(µ Ώ.cm)
20

CTE
0-100°C
10.3

Saturation Induction
Bs (G)
24000

Curie T°
C
980

Magnetic DC properties
Hc (Oe)
2h at 760°
C

B at 10Oe

B at 25Oe

B at 100Oe

B at 200Oe

2.50

≥ 14700

≥ 17300

≥ 20200

≥ 21900

3h at 850°
C
1.20
≥ 14700
≥ 17300
≥ 20200
≥ 21900
All values declared are typical values measured on rings 36x25mm of 0.34mm material thickness after:
- 2h @ 760° cooling 250°C/h under pure and dry hy drogen
C,
- 3h @ 850° cooling 250°C/h under pure and dry hy drogen
C,
Mechanical properties (Typical values)
Hardness
HV
300

Ultimate strength
(MPa)
1000

2h at 760°
C

-

3h at 850°
C

-

Hard

900

Elongation %
(MPa)
2

600

350

17

510

250

13

Yield strength

Standard Delivery & dimensions available
Form

Thickness

Width

Length

Temper

Strip - Sheet

0.10 to 3.5 mm

10 to 320 mm

500 to 3500 mm

Hard

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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