Fluxtrol | Fluxtrol 25 soft magnetic composite for induction heating

Fluxtrol 25

Frequency: Up to 500 kHz

Fluxtrol 25 provides good performance over a wide range of frequencies. The material has the best elasticity of Fluxtrol materials, excellent machinability and reasonable thermal conductivity.

Note: There are many variables involved in an induction process. In order to utilize the fullest potential of our product, you must help narrow down the parameters you are operating with. Each grade of Fluxtrol material has its own distinctive properties that are beneficial to a certain range of electrical and design parameters.

Contact Fluxtrol Inc. to receive more information about which material is right for you.

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Download Material Specs and Sizes (PDFs)

Fluxtrol 25 Properties

Property	Units	Fluxtrol 25
µ_r initial_⟂	None	22
µ_r maximum_⟂	None	28
µ_r initial_∥	None	11
µ_r maximum_∥	None	12
B_s	T	1.1
Dielectric Strength	kV/m	25
κ_⟂	W/m-K	5.0
κ_∥	W/m-K	2.2
CTE_⟂	1/K	1.6 X 10^-5
CTE_∥	1/K	1.6 X 10^-5
C_p	J/g-°C	0.54
Density	g/cm³	5.5
Hardness	D scale	85
Flexural Strength_⟂	MPA	30.9
Flexural Strength_∥	MPA	27.4
Modulus_⟂	Tangent 0.07% - MPA	7,470
Modulus_∥	Tangent 0.07% - MPA	9,890

Fluxtrol 25 Graphs

H (A/m)	B⟂	B∥
200	0.005
500	0.015	0.007
1000	0.031	0.014
2000	0.066	0.029
3000	0.102	0.046
4000	0.138	0.06
5000	0.172	0.075
6000	0.208	0.092
8000	0.272	0.123
10000	0.332	0.156
12000	0.383	0.187
15000	0.452	0.233
20000	0.552	0.306
25000	0.63	0.373
30000	0.698	0.434
35000	0.754	0.492
40000	0.805	0.543
50000	0.89	0.634

H (A/m)	µ_r⟂	µ_r∥
200	22
500	24	11
1000	25	11
2000	26	12
3000	27	12
4000	27	12
5000	28	12
6000	27	12
8000	27	12
10000	26	12
12000	25	12
15000	24	12
20000	22	12
25000	20	12
30000	18	12
35000	17	11
40000	16	11
50000	14	10

Symbol	Description
Pv = aB^2(1-B/b)f + cB²f²
Pv	Power Density (W/cm³)
B	Magnetic Flux Density (T)
f	Frequency (kHz)
a, b, c	Constants
Fluxtrol 25 Constants	Value
a	1.75
b	1.4
c	0.0025

Symbol	Description
Pv = aB^2(1-B/b)f + cB²f²
Pv	Power Density (W/cm³)
B	Magnetic Flux Density (T)
f	Frequency (kHz)
a, b, c	Constants
Fluxtrol 25 Constants	Value
a	1.75
b	1.4
c	0.0025

Flexure Strain⟂ (mm/mm)	Flexure Stress⟂ (MPA)	Flexure Strain∥ (mm/mm)	Flexure Stress∥ (MPA)
0.00000	0.0	0.00000	0.0
0.00200	12.8	0.00100	9.1
0.00399	22.1	0.00200	16.7
0.00600	26.2	0.00299	22.0
0.00799	28.2	0.00399	25.0
0.01199	30.1	0.00499	26.5
0.01599	30.9	0.00649	27.4
0.01800	30.8	0.00800	26.4
0.01999	30.0	0.01000	21.8
0.02200	27.7	0.01200	16.7
0.02600	21.0	0.01399	12.4
0.03000	13.2	0.01600	9.3

Rounds / Billets

Size in Inches		Size in Millimeters
0.370 Ø X 2.00	3.500 Ø X 2.50	9.4 Ø x 50.8	89.0 Ø x 63.5
0.500 Ø X 2.00	4.000 Ø X 0.75	12.7 Ø x 50.8	101.5 Ø x 19.0
0.670 Ø X 2.00	4.000 Ø X 1.00	17.0 Ø x 50.8	101.5 Ø x 25.4
0.750 Ø X 2.00	4.000 Ø X 2.00	19.0 Ø x 50.8	101.5 Ø x 50.8
1.000 Ø X 2.00	4.500 Ø X 1.00	25.4 Ø x 50.8	114.3 Ø x 25.4
1.000 Ø X 3.00	4.500 Ø X 2.00	25.4 Ø x 76.2	114.3 Ø x 50.8
1.250 Ø X 2.00	5.000 Ø X 0.25	31.7 Ø x 50.8	127.0 Ø x 6.3
1.250 Ø X 3.00	5.000 Ø X 0.75	31.7 Ø x 76.2	127.0 Ø x 19.0
1.500 Ø X 2.00	5.000 Ø X 1.00	38.1 Ø x 50.8	127.0 Ø x 25.4
1.500 Ø X 3.00	5.000 Ø X 2.00	38.1 Ø x 76.2	127.0 Ø x 50.8
1.750 Ø X 2.00	5.500 Ø X 1.00	44.5 Ø x 50.8	140.0 Ø x 25.4
1.750 Ø X 3.00	5.500 Ø X 1.25	44.5 Ø x 76.2	140.0 Ø x 31.7
2.000 Ø X 2.00	5.500 Ø X 2.00	50.8 Ø x 50.8	140.0 Ø x 50.8
2.000 Ø X 3.00	6.000 Ø X 0.25	50.8 Ø x 76.2	152.4 Ø x 6.3
2.300 Ø X 2.00	6.000 Ø X 0.75	58.4 Ø x 50.8	152.4 Ø x 19.0
2.300 Ø X 3.00	6.000 Ø X 1.00	58.4 Ø x 76.2	152.4 Ø x 25.4
2.300 Ø X 5.12	6.000 Ø X 2.00	58.4 Ø x 130	152.4 Ø x 50.8
2.500 Ø X 2.00	6.500 Ø X 0.25	63.5 Ø x 50.8	165.1 Ø x 6.3
2.500 Ø X 2.50	6.500 Ø X 0.75	63.5 Ø x 63.5	165.1 Ø x 19.0
2.500 Ø X 3.00	6.500 Ø X 1.00	63.5 Ø x 76.2	165.1 Ø x 25.4
2.760 Ø X 2.00	6.500 Ø X 1.25	70.1 Ø x 50.8	165.1 Ø x 31.7
2.760 Ø X 2.50	6.500 Ø X 1.50	70.1 Ø x 63.5	165.1 Ø x 38.1
2.760 Ø X 3.00	6.500 Ø X 1.75	70.1 Ø x 76.2	165.1 Ø x 44.5
3.000 Ø X 1.00	6.500 Ø X 2.00	76.2 Ø x 25.4	165.1 Ø x 50.8
3.000 Ø X 2.00	8.000 Ø X 0.75	76.2 Ø x 50.8	203.2 Ø x 19.0
3.000 Ø X 2.50	8.000 Ø X 1.00	76.2 Ø x 63.5	203.2 Ø x 25.4
3.000 Ø X 3.00	8.000 Ø X 1.25	76.2 Ø x 76.2	203.2 Ø x 31.7
3.500 Ø X 1.00	8.000 Ø X 1.50	89.0 Ø x 25.4	203.2 Ø x 38.1
3.500 Ø X 2.00	8.000 Ø X 2.00	89.0 Ø x 50.8	203.2 Ø x 50.8

Rectangular Blocks

Size in Inches		Size in Millimeters
0.25 X 1.00 X 4.00	6.3 x 25.4 x 101.5	1.00 X 1.50 X 3.00	25.4 x 38.1 x 76.2
0.25 X 1.50 X 4.00	6.3 x 38.1 x 101.5	1.00 X 1.50 X 4.00	25.4 x 38.1 x 101.5
0.50 X 0.50 X 4.00	12.7 x 12.7 x 101.5	1.00 X 2.00 X 4.00	25.4 x 50.8 x 101.5
0.50 X 0.75 X 4.00	12.7 x 19 x 101.5	0.25 X 6.50 X 8.75	6.3 x 165 x 222.2
0.50 X 1.00 X 4.00	12.7 x 25.4 x 101.5	0.38 X 3.12 X 8.75	6.3 x 79.2 x 222.2
0.50 X 1.50 X 4.00	12.7 x 38.1 x 101.5	0.38 X 4.25 X 6.50	9.6 x 107.9 x 165
0.50 X 2.00 X 4.00	12.7 x 50.8 x 101.5	0.38 X 6.50 X 8.75	9.6 x 165 x 222.2
0.63 X 0.63 X 4.00	16 x 16 x 101.5	0.50 X 3.12 X 8.75	12.7 x 79.2 x 222.2
0.63 X 0.75 X 4.00	16 x 19 x 101.5	0.50 X 4.25 X 6.50	12.7 x 107.9 x 165
0.63 X 1.00 X 4.00	16 x 25.4 x 101.5	0.50 X 6.50 X 8.75	12.7 x 165 x 222.2
0.63 X 1.50 X 4.00	16 x 38.1 x 101.5	0.63 X 3.12 X 8.75	16 x 79.2 x 222.2
0.63 X 2.00 X 4.00	16 x 50.8 x 101.5	0.63 X 4.25 X 6.50	16 x 107.9 x 165
0.75 X 0.75 X 4.00	19 x 19 x 101.5	0.63 X 6.50 X 8.75	16 x 165 x 222.2
0.75 X 1.00 X 4.00	19 x 25.4 x 101.5	0.75 X 3.12 X 8.75	19 x 79.2 x 222.2
0.75 X 1.50 X 4.00	19 x 38.1 x 101.5	0.75 X 4.25 X 6.50	19 x 107.9 x 165
0.75 X 2.00 X 4.00	19 x 50.8 x 101.5	0.75 X 6.50 X 8.75	19 x 165 x 222.2
1.00 X 1.00 X 2.00	25.4 x 25.4 x 50.8	1.00 X 3.12 X 8.75	25.4 x 79.2 x 222.2
1.00 X 1.00 X 3.00	25.4 x 25.4 x 76.2	1.00 X 4.25 X 6.50	25.4 x 107.9 x 165
1.00 X 1.25 X 4.00	25.4 x 31.7 x 101.5	1.00 X 6.50 X 8.75	25.4 x 165 x 222.2

Gallery

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