STEEL SHEET FOR ENAMELLING, AND A PRODUCTION METHOD THEREFOR

WIPO Patent Application WO/2010/018906

A1

The present invention provides a steel sheet for enamelling which comprises, on a percent by weight basis, more than 0 and less than 0.005% carbon, 0.2-1.0% manganese, 0.04-0.08% sulphur, 0.005-0.02% phosphorus, 0.01-0.1% aluminium, 0.06-0.1% titanium and more than 0 and less than 0.003% nitrogen, and a balance of iron and unavoidable impurities, and in which there is a titanium sulphide or (titanium / manganese) sulphide precipitate having a size of 0.01-0.4 mm in an amount of at least 3x108 particles per cm2.

YOON, Jeong-Bong (350-302 Green Billa, Jigok-dong Nam-g, Pohang Kyungsangbukdo 790-752, 790-752, KR)
윤정봉 (경상북도 포항시 남구 지곡동 그린빌라 350동 302호, 790-752 Kyungsangbukdo, 790-752, KR)
CHO, Hang-Sik (117-405, Hyoja Green 1-Cha Apt.Jigok-dong, Nam-gu, Pohang-city, Gyeongsangbuk-do 790-752, 790-752, KR)
조항식 (경상북도 포항시 남구 지곡동 효자그린1차아파트 117동 405호, 790-752 Gyeongsangbuk-do, 790-752, KR)

KR2009/000901

February 18, 2010

February 25, 2009

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POSCO (1 Goedong-dong, Nam-ku Pohang-shi, Kyungsangbuk-do 790-300, 790-300, KR)
주식회사 포스코 (경상북도 포항시 남구 괴동동 1번지, 790-300 Kyungsangbuk-do, 790-300, KR)
YOON, Jeong-Bong (350-302 Green Billa, Jigok-dong Nam-g, Pohang Kyungsangbukdo 790-752, 790-752, KR)
윤정봉 (경상북도 포항시 남구 지곡동 그린빌라 350동 302호, 790-752 Kyungsangbukdo, 790-752, KR)
CHO, Hang-Sik (117-405, Hyoja Green 1-Cha Apt.Jigok-dong, Nam-gu, Pohang-city, Gyeongsangbuk-do 790-752, 790-752, KR)

C22C38/00

YOU ME PATENT AND LAW FIRM (Seolim Bldg, 649-10Yoksam-dong, Kangnam-ku, Seoul 135-080, 135-080, KR)

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