The cold rolled carbon steel sheets for vitreous enameling and its production mannered null mass where processability, aging Characteristic and enamel

摘要

PROBLEM TO BE SOLVED: To provide a non-aging enameling steel sheet superior in a bubble/black-spot resistance without employing decarbonization-denitrogenation annealing, which increases a manufacturing cost, and without adding expensive elements such as Nb and Ti, which increases an alloy cost.;SOLUTION: This enameling steel sheet has a composition of, by mass%, 0.0050% or less C, 0.50% or less Si, 0.005-1.0% Mn, 10*(B-11/14*N)-0.10% P, 0.080% or less S, 0.050% or less Al, 0.0005%-0.020% N, 0.60*N-0.020% B, 0.002-0.0800% O, and has a morphology of nitrides of B controlled mainly by means of adjusting a hot rolling condition.;COPYRIGHT: (C)2004,JPO