Fluxtrol 50

fluxtrol 50Fluxtrol 50

(Frequency: Up to 500 kHz)

Excellent performance over a wide range of frequencies. Material has good mechanical strength, machinability and 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.

To buy Fluxtrol 50, fill out the contact form on this page and we will be in touch with you shortly.

Download Fluxtrol 50 Material Sizes PDF

Fluxtrol 50 Properties

Property Units fluxtrol 50 Fluxtrol 50
µr initial None 35
µr maximum None 55
µr initial None 20
µr maximum None 22
Bs T 1.4
ρ Ω m 3
κ W/m-K 8.4
κ W/m-K 3.6
CTE 1/K 1.5 X 10-5
CTE 1/K 1.5 X 10-5
Cp J/g-°C 0.47
Density g/cm3 6.2
Hardness D scale 90
Flexural Strength MPA 30.7
Flexural Strength MPA 34.9
Modulus Tangent 0.07% - MPA 20,400
Modulus Tangent 0.07% - MPA 20,800

Fluxtrol 50 Graphs

H (A/m) B⟂ B∥
200 0.005
500 0.03 0.012
1000 0.064 0.025
2000 0.133 0.053
3000 0.205 0.081
4000 0.273 0.109
5000 0.334 0.135
6000 0.388 0.164
8000 0.479 0.218
10000 0.554 0.27
12000 0.617 0.318
15000 0.696 0.385
20000 0.795 0.483
25000 0.872 0.565
30000 0.934 0.634
35000 0.984 0.694
40000 1.027 0.747
50000 1.096 0.832
H (A/m) µr µr
200 42
500 47 20
1000 51 21
2000 54 22
3000 55 22
4000 54 22
5000 53 22
6000 51 22
8000 48 22
10000 44 21
12000 41 21
15000 37 20
20000 32 19
25000 28 18
30000 25 17
35000 22 16
40000 20 15
50000 17 13
Pv = aB2(1-B/b)f + cB2f2
Symbol Description
Pv Power Density (W/cm3)
B Magnetic Flux Density (T)
f Frequency (kHz)
a, b, c Constants
Fluxtrol 50 Constants Value
a 1.96
b 1.8
c 0.001
Pv = aB2(1-B/b)f + cB2f2
Symbol Description
Pv Power Density (W/cm3)
B Magnetic Flux Density (T)
f Frequency (kHz)
a, b, c Constants
Fluxtrol 50 Constants Value
a 1.96
b 1.8
c 0.001
Flexure Strain⟂
(mm/mm)
Flexure Stress⟂
(MPA)
Flexure Strain∥
(mm/mm)
Flexure Stress∥
(MPA)
0.00000 0.0 0.00000 0.0
0.00061 6.7 0.00060 9.1
0.00119 17.5 0.00119 20.2
0.00180 24.8 0.00180 28.1
0.00240 28.5 0.00239 32.1
0.00299 30.1 0.00300 34.2
0.00359 30.7 0.00360 34.9
0.00420 30.3 0.00419 34.1
0.00499 28.7 0.00500 30.4
0.00600 24.3 0.00600 24.0
0.00749 17.1 0.00749 16.8
0.00900 11.5 0.00889 12.6

Fluxtrol 50 Stock Sizes

Rounds / Billets
Size in Inches Size in Millimeters
.50 Ø x 2.003.50 Ø x 2.0012.7 Ø x 50.889.0 Ø x 50.8
.67 Ø x 2.003.50 Ø x 2.5017.0 Ø x 50.889.0 Ø x 63.5
.75 Ø x 2.004.00 Ø x .7519.0 Ø x 50.8101.5 Ø x 19.0
1.00 Ø x 2.004.00 Ø x 1.0025.4 Ø x 50.8101.5 Ø x 25.4
1.00 Ø x 3.004.00 Ø x 2.0025.4 Ø x 76.2101.5 Ø x 50.8
1.25 Ø x 2.004.50 Ø x 1.0031.7 Ø x 50.8114.3 Ø x 25.4
1.25 Ø x 3.004.50 Ø x 2.0031.7 Ø x 76.2114.3 Ø x 50.8
1.50 Ø x 2.005.00 Ø x .2538.1 Ø x 50.8127.0 Ø x 6.3
1.50 Ø x 3.005.00 Ø x .7538.1 Ø x 76.2127.0 Ø x 19.0
1.75 Ø x 2.005.00 Ø x 1.0044.5 Ø x 50.8127.0 Ø x 25.4
1.75 Ø x 3.005.00 Ø x 2.0044.5 Ø x 76.2127.0 Ø x 50.8
2.00 Ø x 2.005.50 Ø x 1.0050.8 Ø x 50.8140.0 Ø x 25.4
2.00 Ø x 3.005.50 Ø x 1.2550.8 Ø x 76.2140.0 Ø x 31.7
2.30 Ø x 2.005.50 Ø x 2.0058.4 Ø x 50.8140.0 Ø x 50.8
2.30 Ø x 3.006.00 Ø x .2558.4 Ø x 76.2152.4 Ø x 6.3
2.30 Ø x 5.126.00 Ø x .7558.4 Ø x 130.0152.4 Ø x 19.0
2.50 Ø x 2.006.00 Ø x 1.0063.5 Ø x 50.8152.4 Ø x 25.4
2.50 Ø x 2.506.00 Ø x 2.0063.5 Ø x 63.5152.4 Ø x 50.8
2.50 Ø x 3.006.50 Ø x .7563.5 Ø x 76.2165.1 Ø x 19.0
2.76 Ø x 2.006.50 Ø x 1.0070.1 Ø x 50.8165.1 Ø x 25.4
2.76 Ø x 3.008.00 Ø x .2570.1 Ø x 76.2203.2 Ø x 6.3
3.00 Ø x 1.008.00 Ø x .5076.2 Ø x 25.4203.2 Ø x 12.7
3.00 Ø x 2.008.00 Ø x .7576.2 Ø x 50.8203.2 Ø x 19.0
3.00 Ø x 2.508.00 Ø x 1.0076.2 Ø x 63.5203.2 Ø x 25.4
3.00 Ø x 3.008.00 Ø x 1.5076.2 Ø x 76.2203.2 Ø x 38.1
3.50 Ø x 1.008.00 Ø x 2.0089.0 Ø x 25.4203.2 Ø x 50.8
Rectangular Blocks
Size in Inches Size in Millimeters Size in Inches Size in Millimeters
.25 x 1.00 x 4.00 6.3 x 25.4 x 101.5 1.00 x 2.00 x 4.00 25.4 x 50.8 x 101.5
.25 x 1.50 x 4.00 6.3 x 38.1 x 101.5 .25 x 3.12 x 8.75 6.3 x 79.2 x 222.2
.50 x .50 x 4.00 12.7 x 12.7 x 101.5 .25 x 4.25 x 6.50 6.3 x 107.9 x 165.0
.50 x .75 x 4.00 12.7 x 19.0 x 101.5 .25 x 6.50 x 8.75 6.3 x 165.0 x 222.2
.50 x 1.00 x 4.00 12.7 x 25.4 x 101.5 .38 x 3.12 x 8.75 9.6 x 79.2 x 222.2
.50 x 1.50 x 4.00 12.7 x 38.1 x 101.5 .38 x 4.25 x 6.50 9.6 x 107.9 x 165.0
.63 x .63 x 4.00 16.0 x 16.0 x 101.5 .38 x 6.50 x 8.75 9.6 x 165.0 x 222.2
.63 x .75 x 4.00 16.0 x 19.0 x 101.5 .50 x 4.25 x 6.50 12.7 x 107.9 x 165.0
.63 x 1.00 x 4.00 16.0 x 25.4 x 101.5 .50 x 6.50 x 8.75 12.7 x 165.0 x 222.2
.63 x 2.00 x 4.00 16.0 x 50.8 x 101.5 .63 x 4.25 x 6.50 16.0 x 107.9 x 165.0
.75 x .75 x 4.00 19.0 x 19.0 x 101.5 .63 x 6.50 x 8.75 16.0 x 165.0 x 222.2
.75 x 1.00 x 4.00 19.0 x 25.4 x 101.5 .75 x 3.12 x 8.75 19.0 x 79.2 x 222.2
.75 x 1.50 x 4.00 19.0 x 38.1 x 101.5 .75 x 4.25 x 6.50 19.0 x 107.9 x 165.0
.75 x 2.00 x 4.00 19.0 x 50.8 x 101.5 .75 x 6.50 x 8.75 19.0 x 165.0 x 222.2
1.00 x 1.00 x 2.00 25.4 x 25.4 x 50.8 .82 x 6.50 x 8.75 20.8 x 165.0 x 222.2
1.00 x 1.00 x 3.00 25.4 x 25.4 x 76.2 1.00 x 3.12 x 8.75 25.4 x 79.2 x 222.2
1.00 x 1.25 x 4.00 25.4 x 31.7 x 101.5 1.00 x 4.25 x 6.50 25.4 x 107.9 x 165.0
1.00 x 1.50 x 4.00 25.4 x 38.1 x 101.5 1.00 x 6.50 x 8.75 25.4 x 165.0 x 222.2

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