Patent ID: 6334910
Filing Date: 2002-01-01
Classification: B05D,C21D,C22C,Y10T

Abstract:
A steel sheet used for a resin coated steel sheet suitable as a thinned, deep drawn and ironed can comprising:Carbon in the range of 0.008% to 0.08%, Silicon of equal or less than 0.05%, Manganese of equal or less than 0.9%, Phosphorous of equal or less than 0.04%, Sulfur of equal or less than 0.04%, Aluminum of equal or less than 0.03%, Nitrogen of equal or less than 0.0035%, residual iron and unavoidable impurities, wherein the steel sheet is characterized in that an average diameter of crystal grains of the steel sheet before covered with a resin layer is equal or less than 8 &mgr;m, an average surface roughness (Ra) is equal or less than 0.5 &mgr;m and the maximum surface roughness (Rmax) is equal or less than 5 &mgr;m.