Steel sheet for vitreous enameling and production method

Details Steel sheet for vitreous enameling and production method Steel sheet for vitreous enameling and production method

2003-03-06

2010-12-21

Yee, Deborah (Department: 1793)

Metal treatment

Stock

Ferrous

C148S320000, C148S653000, C148S654000

Reexamination Certificate

active

07854808

ABSTRACT:
To provide a non-aging steel sheet for vitreous enameling, the steel sheet being excellent in resistance to bubbles and black spots, without the employment of decarbonization and denitrification annealing that raises the cost of production and also without the addition of expensive elements such as Nb, Ti, etc. that raise the cost of alloys. The steel sheet comprises, in mass, to C: 0.0050% or less, Si: 0.50% or less, Mn: 0.005 to 1.0%, P: 10×(B−11/14×N) to 0.10%, S: 0.080% or less, Al: 0.050% or less, N: 0.0005 to 0.020%, B: 0.60×N to 0.020%, and O: 0.002 to 0.0800%, and the shape of B nitrides is controlled mainly by adjusting hot-rolling conditions.

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Computer-generated English translation of Japanese patent 2002-080934, Murakami, Hidekuni et al, Mar. 22, 2002.
English abstract of Japanese patent 360100686, Kenji Ito et al., Jun. 4, 1985.
Derwent publication of English abstract of Japanese patent 73029289, Aug. 19, 1970.

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