| Property |
Grades of TKES India |
| PowerCore® C 120-27 |
PowerCore® C 130-27 |
PowerCore® C 140-27 |
| Equivalent Grade as per
IEC 60404-8-7 : 1998 |
-- |
M 130-27S5 |
M140-27S5 |
| Equivalent Grade as per
JIS C 2553 |
27G120 |
27G130 |
27G140 |
| IS 3024 : 2002 |
27CG120 |
27CG130 |
27CG140 |
| Coating designation at TKES India
|
C5(G) |
C5(G) |
C5(G) |
| Equivalent Coating designation
as per AISI :1983 |
C5 over C2 |
C5 over C2 |
C5 over C2k |
| |
|
|
|
| Thickness in
mm |
0.27 |
0.27 |
0.27 |
| Tolerance Thickness in mm |
Guaranteed |
Typical |
Guaranteed |
Typical |
Guaranteed |
Typical |
| Core Loss in W/Kg at 50Hz |
±0.03 |
+0.01/-0.02 |
±0.03 |
+0.01/-0.02 |
±0.03 |
+0.01/-0.02 |
@ 1.70 Tesla
@ 1.50 Tesla (Indicative) |
1.20 |
1.19 |
1.3 |
1.26 |
1.40 |
1.32 |
| 0.80 |
0.79 |
0.85 |
0.83 |
0.89 |
0.86 |
| Magnetic polarization at
800 A/m |
1.80 Min. |
1.82 |
1.78 Min. |
1.82 |
1.75 Min |
1.78 |
| IR Ohm-com/La |
10 Min. |
>10 |
10 Min. |
>10 |
5 Min |
>5 |
| Space factor (%) |
95 Min. |
96 |
95 Min. |
96 |
95 Min. |
96 |
| Flatness: Wave height to
length ratio |
1.5 % Max. |
<1.20% |
1.5 % Max. |
<1.2% |
1.5 % Max. |
<1.3% |
