ASTM
Grade |
AISI
Grade |
Gauge
[in] |
Maximum Core Loss PC [W/Lb] |
Resistivity
[m W
· cm] |
Characteristics |
Applications |
36F145 |
29
M15 |
0.0140 |
1.45 |
45-55 |
Lowest core loss of conventional grades. Excellent Permeability at low inductions. |
Small power transformers & rotating machines of high efficiency. |
47F160 |
26
M15 |
0.0185 |
1.60 |
45-55 |
36F155 |
29
M19 |
0.0140 |
1.74 |
45-55 |
Low core loss good permeability at low and intermediate inductions. |
High-reactance cores, generator stators of high efficiency rotation machines. |
47F165 |
26
M19 |
0.0185 |
1.65 |
45-55 |
64F200 |
24
M19 |
0.0250 |
2.00 |
45-55 |
| 36F165 |
29 M22 |
0.0140 |
1.65 |
45-55 |
Low core loss good permeability at low and intermediate inductions. |
High-reactance cores, generator stators of high efficiency rotation machines. |
47F180 |
26
M22 |
0.0185 |
1.80 |
45-55 |
| 64F210 |
24 M22 |
0.0250 |
2.10 |
45-55 |
36F175 |
29
M27 |
0.0140 |
1.75 |
45-55 |
Low core loss good permeability at low and intermediate inductions. |
High-reactance cores, generator stators of high efficiency rotation machines and relays. |
47F190 |
26
M27 |
0.0185 |
1.90 |
45-55 |
64F225 |
24
M27 |
0.0250 |
2.25 |
45-55 |
36F185 |
29
M36 |
0.0140 |
1.85 |
40-50 |
Good core loss, good permeability at all inductions and low exciting current, good stamping properties. |
Small generators, high efficiency continous duty AC and DC rotationg machines and transformers. |
47F200 |
26
M36 |
0.0185 |
2.00 |
40-50 |
64F235 |
24 M36 |
0.0250 |
2.35 |
40-50 |
36F195 |
29 M43 |
0.0140 |
1.95 |
35-45 |
Good core loss, good permeability at all inductions and low exciting current, good stamping properties. |
Small generators, high efficiency continous duty AC and DC rotationg machines and transformers. |
47F210 |
26 M43 |
0.0185 |
2.10 |
35-45 |
64F250 |
24 M43 |
0.0250 |
2.50 |
3545 |
36F205 |
29
M36 |
0.0140 |
2.05 |
20-30 |
Good stamping properties, good permeability at high flux levels |
Small motors, generators, ballasts and relays. |
47F240 |
26 M45 |
0.0185 |
2.40 |
20-30 |
64F275 |
24 M45 |
0.0250 |
2.75 |
20-30 |
47F280 |
26 M47 |
0.0185 |
2.80 |
20-30 |
Good stamping properties, good permeability at high flux levels |
Small motors, generators, ballasts and relays. |
64F320 |
24 M47 |
0.0250 |
3.20 |
20-25 |
47F400 |
26* |
0.0185 |
4.00 |
20-25 |
Good stamping properties, good permeability at high flux levels |
Used in motors, generators and transformers. |
64F500 |
24* |
0.0250 |
5.00 |
20-25 |
47F450 |
26* |
0.0185 |
4.50 |
20-25 |
Good stamping properties, good permeability at high flux levels |
Used in motors, generators and transformers. |
64F550 |
24* |
0.0250 |
5.50 |
20-25 |
