厚度＜0.3mm的非合金钢冷轧卷材(未进一步加工,宽≥600mm,未包、镀、涂层)

Flat-rolled products of iron or non-alloy steel, in coils, of a thickness of less than 0.3mm ,of a width of 600 mm or more,not clad, plated or coated