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US 12,559,807 B2Granted
Double-oriented electrical steel sheet and manufacturing method therefor
AssigneePosco
InventorsHyunwoo Mun, Se Il Lee
Life of this patent
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Abstract
In a double-oriented electrical steel sheet according to an embodiment of the present invention, the fraction of crystal grains having an orientation within 15° from {100} <001> is 50 to 75%, and the fraction of crystal grains having an orientation within 15° from {100}<380> is 50 to 75%.
Claims4
A double-oriented electrical steel sheet, comprising, by wt %:
- Si:
- 1.0% to 7.0%,
- Al:
- 0.02% or less (exclusive of 0%),
- Mn:
- 0.02 to 0.50%,
- C:
- 0.004% or less (exclusive of 0%),
- S:
- 0.0005 to 0.005%, and
- the balance of Fe and other inevitable impurities,
- wherein a fraction of a crystal grain having an orientation within 15° from {100}<001> is 50 to 75%, and a fraction of a crystal grain having an orientation within 15° from {100}<380> is 50 to 75%.
9 more elements
Dependencies are inferred from the claim text.