METHOD FOR PRODUCING NON-TEXTURED ELECTRICAL STEEL

Inventors

1. A method for producing a sheet of non-oriented electrical steel, comprising the following stages:
provision of steel with a composition containing the following elements in mass percentages:
0.0001% ≤ carbon ≤ 0.008%
0.1% ≤ manganese ≤ 2.0%
2.6% ≤ silicon ≤ 6.5%
0.1% ≤ aluminum ≤ 1.2%
0% ≤ phosphorus ≤ 0.15%
0% ≤ sulfur ≤ 0.006%
0% ≤ nitrogen ≤ 0.09%
with 3.5% ≤ Si+Al+Mn ≤ 9.5%
and may contain one or more of the following optional elements:
0% ≤ niobium ≤ 0.1%
0% ≤ titanium ≤ 0.1%
0% ≤ vanadium ≤ 0.1%
0% ≤ chromium ≤ 1%
0% ≤ molybdenum ≤ 0.5%
0% ≤ tungsten ≤ 0.1%
0% ≤ cobalt ≤ 1%
0% ≤ arsenic ≤ 0.05%
0.001% ≤ calcium ≤ 0.01%