Non-oriented Electrical Steel


Non-oriented silicon steel has excellent magnetic properties and low energy consumption. With its high permeability and low hysteresis loss, it has universal applications in power transmission and conversion.

Steel GradeNominal thickness
mm
Maximum specific total loss at 50 Hz and at 1,5 TMinimum magnetic polarization2
T in an alternating magnetic field strength
(A/m)
Maximum anisotropy of loss at 50 Hz and 1,5T
%
Minimum stacking factorbMinimum number of bendsConventional densityc
Steel NameSteel Number2 5005 00010 000
M940-50A1.08179,401,621,721,81±8107,85
M310-65A1.08920,653,101,491,601,70±150,9727,60
M330-65A1.08190,653,301,491,601,70±150,9727,60
M350-65A1.0820 0,653,501,491,601,70±140,9727,60
M400-65A1.08210,654,001,521,621,72±140,9727,65
M470-65A1.08230,654,701,531,631,73±120,9757,65
M530-65A1.08240,655,301,541,641,74±120,9757,70
M600-65A1.08250,656,001,561,661,76±100,97107,75
M700-65A1.08260,657,001,571,671,76±100,97107,75
M800-65A1.08270,658,001,601,701,78±100,97107,80
M1000-65A1.08290,6510,001,611,711,80±100,97107,80
M600-100A1.08931,006,001,531,631,72±100,9827,60
M700-100A1.08941,007,001,541,641,73±60,9837,65
M800-100A1.08951,008,001,561,661,75±60,9857,70
M1000-100A1.08961,0010,001,581,681,76±60,98107,80
M1300-100A1.08971,0013,001,601,701,78±60,98107,80
a It has been common practice for many years to give values of magnetic flux density. In fact the Epstein frame is used to determine magnetic polarization which is defined as:

J = B - μоH

where

Jpeak magnetic polarization;

B magnetic flux density;

μο magnetic constant: 4 π 10-7 Hm-1

H magnetic field strength in accordance with IEC 60050-121.

NOTE The difference between B and J at 5 000 A/m is equal to 0,006T.

b The stated values are valid only for uncoated products. For coated products the values stated in Annex D, Table D.1 apply.

c Other values of density may be agreed at the time of enquiry and order (see Annex C).
Steel Grade Maximum Specific Total Loss
(W/kg)
Steel Name Steel Number 1,0 T at 50Hz 1,5 T at 60Hz
M210-35A 1.0802  0,90 2,65
M235-35A 1.0890  0,95 2,97
M250-35A 1.0800  1,00 3,14
M270-35A 1.0801  1,10 3,36
M300-35A 1.0803  1,20 3,74
M330-35A 1.0804  1,30 4,12
M230-50A 1.0837  1,00 2,95
M250-50A 1.0891  1,05 3,21
M270-50A 1.0806  1,10 3,47
M290-50A 1.0807  1,15 3,71
M310-50A 1.0808  1,25 3,95
M330-50A 1.0809  1,35 4,20
M350-50A 1.0810  1,50 4,45
M400-50A 1.0811  1,70 5,10
M470-50A 1.0812  2,00 5,90
M530-50A 1.0813  2,30 6,66
M600-50A 1.0814  2,60 7,53
M700-50A 1.0815  3,00 8,79
M800-50A 1.0816  3,60 10,06
M940-50A 1.0817  4,20 11,84
M310-65A 1.0892  1,25 4,08
M330-65A 1.0819  1,35 4,30
M350-65A 1.0820  1,50 4,57
M400-65A 1.0821  1,70 5,20
M470-65A 1.0823  2,00 6,13
M530-65A 1.0824  2,30 6,84
M600-65A 1.0825  2,60 7,71
M700-65A 1.0826  3,00 8,98
M800-65A 1.0827  3,60 10,26
M1000-65A 1.0829  4,40 12,77
M600-100A 1.0893  2,60 8,14
M700-100A 1.0894  3,00 9,38
M800-100A 1.0895  3,60 10,70
M1000-100A 1.0896  4,40 13,39
M1300-100A 1.0897  5,80 17,34