ASTM

AISI

Grade

Gauge

[in]

Core Loss P_C  [W/Lb]

Peak Perm [G/oe]

Density

[g/cc]

Resistivity

[m W · cm]

Typical

Maximum

Typical

Minimum

Grain

Oriented

35G066

29 M06

0.0140

0.58

0.66

23000

-----

7.65

45-50

35G094**

29 M06

0.0140

0.84

0.94

9000

-----

7.65

45-50

Non-Grain

Oriented

36F145

29 M15

0.0140

1.40

1.45

1800

1400

7.65

40-50

47F168

26 M15

0.0185

1.55

1.68

2000

1600

7.65

40-50

47F174

26 M19

0.0185

1.60

1.74

2400

2000

7.70

35-45

64F208

24 M19

0.0250

1.90

2.08

2500

2000

7.70

35-45

47F185

26 M22

0.0185

1.75

1.85

2400

2000

7.70

35-45

64F218

24 M22

0.0250

2.00

2.18

2500

2000

7.70

35-45

47F190

26 M27

0.0185

1.80

1.90

2400

2000

7.75

30-40

64F225

24 M27

0.0250

2.10

2.25

2400

2000

7.75

30-40

47F205

26 M36

0.0185

1.95

2.05

2400

2000

7.75

30-40

64F240

24 M36

0.0250

2.25

2.40

2400

2000

7.75

30-40

Cold

Rolled

Steel

47D210

26 M50*

0.0185

1.90

2.10

2200

2000

7.80

20-30

64D290

24 M50*

0.0250

2.60

2.90

2200

2000

7.80

20-30

47D270

26 M55*

0.0185

2.30

2.70

2600

2000

7.85

15-25

64D360

24 M55*

0.0250

3.10

3.60

2600

2000

7.85

15-25

47D330

26 M56*

0.0185

2.90

3.30

2600

2000

7.85

12-18

64D400

24 M56*

0.0250

3.50

4.00

2600

2000

7.85

12-18

71D450

23 M56*

0.0280

4.00

4.50

2600

2000

7.85

12-18

79D510

22 M56*

0.0310

4.50

5.10

2600

2000

7.85

12-18

*    Equivalent grades (No AISI designation).

**  Tested at 17KG, 60 Hz.

*** New

Notes:

Grain oriented steel is tested based on parallel grain, after SRA (stress relief anneal)