| 摘要 |
PCT No. PCT/JP92/01079 Sec. 371 Date May 3, 1993 Sec. 102(e) Date May 3, 1993 PCT Filed Aug. 26, 1992 PCT Pub. No. WO93/04796 PCT Pub. Date Mar. 18, 1993.In order to improve the sharpness, after painting, of a steel strip and, at the same time, improve the press moldability of the steel strip, the steel strip of the present invention is characterized by having a plurality of small recessed portions transferred by means of a rolling dull roll having a protrusion composed mainly of Cr and homogeneously provided on the surface of the roll; the recessed portion having a configuration satisfying requirements of a diameter, d, of 50 to 500 mu m, a depth, h, of the recessed portion of 2 to 40 mu m and a total volume of recessed portions per mm2 of the surface of the steel strip of 0.10x106 mu m3 or more, the center line distance, P1, between recessed portions adjacent to each other in the direction of rolling being in the range of from 1.0 d to 4.0 d, the center line distance, P2, between rows in the direction of rolling being in the range of from 1.0 d to 4.0 d.
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