(1) cold-rolled non-oriented silicon steel strip by the nominal thickness (enlarged 100 times the value of) A + + code to ensure that the iron loss value (frequency stainless steel magnetic, the maximum flux density of iron loss value expanded 100-fold when the 1.5T) . If 50A470 represents the thickness of 0.5mm, iron loss guarantee value ≤ 4.7 cold rolled non-oriented silicon steel strip. (2) Cold-rolled grain oriented silicon steel with the nominal thickness (enlarged 100 times the value) + Code G: said common materials, P: indicates highly oriented material + iron 1.4016 steel 2r loss guaranteed (the frequency 50HZ, the maximum flux density of 1.7T when the value of iron loss value after 100 times enlarged). If 30G130 represents the thickness of 0.3mm, cold-rolled iron loss guarantee oriented silicon steel strip is ≤ 1.3.
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