FIELD: metallurgy.
SUBSTANCE: sheet is made of steel containing in wt %: C - 0.007 or less, Si - 4-10 and Mn - 0.005-1.0, Fe and unintentional impurities making the rest. Note here that sheet features depth of 0.01 or more to 0.10 mm or less and roughness profile Pa 1.0 mcm or less.
EFFECT: lower losses in iron, better magnetic properties, lower filling factor even at siliconising.
2 cl, 4 dwg, 2 tbl, 2 ex
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