Aperam AFK 18 Cold Rolled Strip

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Aperam AFK 18 Cold Rolled Strip
Categories:	Metal; Ferrous Metal
Material Notes:	AFK18 is an iron-Cobalt soft magnetic alloy suitable for compact generators and motor laminations All values declared are typical values measured on rings 36x25mm of 0.34mm material thickness. International standards: ASTM A 801, IEC404 Information provided by Aperam
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Physical Properties	Original Value	Comments

Density	7.90 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	310	Hard Temper
	175 @Treatment Temp. 900 °C, Time 10800 sec
	185 @Treatment Temp. 700 °C, Time 7200 sec
Tensile Strength, Ultimate	850 MPa	Hard Temper
	380 MPa @Treatment Temp. 900 °C, Time 10800 sec
	470 MPa @Treatment Temp. 700 °C, Time 7200 sec
Tensile Strength, Yield	800 MPa	Hard Temper
	210 MPa @Treatment Temp. 900 °C, Time 10800 sec
	355 MPa @Treatment Temp. 700 °C, Time 7200 sec
Elongation at Break	2.0 %	Hard Temper
	19 % @Treatment Temp. 700 °C, Time 7200 sec
	31 % @Treatment Temp. 900 °C, Time 10800 sec

Electrical Properties	Original Value	Comments
Volume Resistivity	0.000030 ohm-cm
Magnetic Coercive Force, H_c	0.75 Oe @Treatment Temp. 900 °C, Time 10800 sec
	1.9 Oe @Treatment Temp. 700 °C, Time 7200 sec

Thermal Properties	Original Value	Comments
CTE, linear	10.5 µm/m-°C @Temperature 0.000 - 100 °C

Magnetic Properties	Original Value	Comments
Core Loss	3.30 W/kg @Magnetic Field 1.50 T, Treatment Temp. 900 °C	3h, 50 Hz
	4.30 W/kg @Magnetic Field 1.70 T, Treatment Temp. 900 °C	3h, 50 Hz
	5.50 W/kg @Magnetic Field 1.50 T, Treatment Temp. 700 °C	2h, 50 Hz
	6.70 W/kg @Magnetic Field 1.70 T, Treatment Temp. 700 °C	2h, 50 Hz
	66.0 W/kg @Magnetic Field 1.50 T, Treatment Temp. 900 °C	3h, 400 Hz
	77.0 W/kg @Magnetic Field 1.50 T, Treatment Temp. 700 °C	2h, 400 Hz
	88.0 W/kg @Magnetic Field 1.70 T, Treatment Temp. 900 °C	3h, 400 Hz
	99.0 W/kg @Magnetic Field 1.70 T, Treatment Temp. 700 °C	2h, 400 Hz

Component Elements Properties	Original Value	Comments
Cobalt, Co	18 %
Iron, Fe	82 %

Descriptive Properties
Magnetic DC, B	17500 @ 31Oe	2h at 700°C
	17500 @ 31Oe	2h at 900°C
	18500 @ 63Oe	2h at 700°C
	18500 @ 63Oe	2h at 900°C
	20000 @ 125Oe	2h at 700°C
	20000 @ 125Oe	2h at 900°C

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NPERA002 / 194791

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