Rare earth element ( RE) wire is fed to electric steel liquid (/% : ≤ 0.005C

2.0-2.6Si

0.20-0.30Mn

0.008P

0.001-0.009S

0.15-0.40Al

≤0.0010[O] ) in mold by auto feeding wire machine through a side tube at 220 mm x 1 280 mm curved caster. Effect of rare earth element content (0-0.45% RE) on structure and texture

morphology and distribution of inclusions

and magnetic performance of 0.5 mm annealed cold rolled non-oriented electrical steel products is systematically studied by optical and electric microscope. Results show that 0.008%-0.020% rare elements in steel

it is available to effectively control the harmful effect of fine inclusions in steel

promote increasing of grain size of annealed products

to intensify favorable texture ingredient and obviously improve magnetic performance of cold rolled non-oriented electrical steel products.